Network scans on ports 515, 81 at startup or network connection?
I've got a user with Network Magic installed on his home PC. When he connects to work using Cisco/Altiga VPN, his system is scanning the network on ports 515 and 81. If he exits and then restarts Network Magic, that also triggers a scan. The PC is assigned an address in the 172.16.14.0/24 network, but the scans start out at 172.16.0 and go up in odd increments. Traffic is one way and only SYN packets; no servers are responding.
Is this something known in Network Magic, and if so, how can I have the user configure their system to turn it off?
I had the same problem. I fixed it with the script below.
Copy the script to Script-Editor and save it as a program. Then go to user-settings and add the program as an start-object.
on run
delay 5
tell application "Finder"
activate
try
-- networkdrive 1 connect to server
mount volume "smb://user:password@MAXTOR-STORAGE/Music"
on error
display dialog "Connection to MUSIC not possible" end try
try
-- networkdrive 2 connect to server without password protection
mount volume "smb://MAXTOR-STORAGE/PUBLIC"
on error
display dialog "Connection to PUBLIC not possible"
end try
end tell
end run
Similar Messages
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Scan multiple ports on multiple computers
Hey guys,
I wrote the following batch script to use along with portqry tool which is availabe from microsoft download center.
The tool can scan multiple ports on a single computer, but it is not capable of scanning multiple ports on multiple computers in one attempt. Also it gives a big output which is a bit tough if you are trying to prepare a report.
Here is the batch file which takes input from server.txt where all the computer names present and scans for the below ports on each computer and gives you output in a beautiful way.
TCP: 135, 445, 1433, 1434, 1024, 1040
UDP: 1433, 1434
Copy and paste the below code in a batch file and use it along with portqry.exe.
echo off
for /f "tokens=* delims= " %%a in (server.txt) do call :vk %%a
:vk
portqry -n %1 -e 1434 -q -p udp
if errorlevel = 2 goto filtered_1434
if errorlevel = 1 goto failed_1434
if errorlevel = 0 goto success_1434
goto 135
:filtered_1434
Echo %1 udp Port 1434 is listening or filtered
goto 135
:failed_1434
Echo %1 udp Port 1434 is not listening
Goto 135
:success_1434
Echo %1 udp Port 1434 is listening
goto 135
:135
portqry -n %1 -e 135 -q -p tcp
if errorlevel = 2 goto filtered_135
if errorlevel = 1 goto failed_135
if errorlevel = 0 goto success_135
goto 445
:filtered_135
Echo %1 tcp Port 135 is listening or filtered
goto 445
:failed_135
Echo %1 tcp Port 135 is not listening
Goto 445
:success_135
Echo %1 tcp Port 135 is listening
goto 445
:445
portqry -n %1 -e 445 -q -p tcp
if errorlevel = 2 goto filtered_445
if errorlevel = 1 goto failed_445
if errorlevel = 0 goto success_445
goto 1433_tcp
:filtered_445
Echo %1 tcp Port 445 is listening or filtered
goto 1433_tcp
:failed_445
Echo %1 tcp Port 445 is not listening
Goto 1433_tcp
:success_445
Echo %1 tcp Port 445 is listening
goto 1433_tcp
:1433_tcp
portqry -n %1 -e 1433 -q -p tcp
if errorlevel = 2 goto filtered_1433_tcp
if errorlevel = 1 goto failed_1433_tcp
if errorlevel = 0 goto success_1433_tcp
goto 1434_tcp
:filtered_1433_tcp
Echo %1 tcp Port 1433 is listening or filtered
goto 1434_tcp
:failed_1433_tcp
Echo %1 tcp Port 1433 is not listening
Goto 1434_tcp
:success_1433_tcp
Echo %1 tcp Port 1433 is listening
goto 1434_tcp
:1434_tcp
portqry -n %1 -e 1434 -q -p tcp
if errorlevel = 2 goto filtered_1434_tcp
if errorlevel = 1 goto failed_1434_tcp
if errorlevel = 0 goto success_1434_tcp
goto 1024
:filtered_1434_tcp
Echo %1 tcp Port 1434 is listening or filtered
goto 1024
:failed_1434_tcp
Echo %1 tcp Port 1434 is not listening
Goto 1024
:success_1434_tcp
Echo %1 tcp Port 1434 is listening
goto 1024
:1024
portqry -n %1 -e 1024 -q -p tcp
if errorlevel = 2 goto filtered_1024
if errorlevel = 1 goto failed_1024
if errorlevel = 0 goto success_1024
goto 1040
:filtered_1024
Echo %1 tcp Port 1024 is listening or filtered
goto 1040
:failed_1024
Echo %1 tcp Port 1024 is not listening
Goto 1040
:success_1024
Echo %1 tcp Port 1024 is listening
goto 1040
:1040
portqry -n %1 -e 1040 -q -p tcp
if errorlevel = 2 goto filtered_1040
if errorlevel = 1 goto failed_1040
if errorlevel = 0 goto success_1040
goto 1433
:filtered_1040
Echo %1 tcp Port 1040 is listening or filtered
goto 1433
:failed_1040
Echo %1 tcp Port 1040 is not listening
Goto 1433
:success_1040
Echo %1 tcp Port 1040 is listening
goto 1433
:1433
portqry -n %1 -e 1433 -q -p udp
if errorlevel = 2 goto filtered_1433
if errorlevel = 1 goto failed_1433
if errorlevel = 0 goto success_1433
goto end
:filtered_1433
Echo %1 udp Port 1433 is listening or filtered
goto end
:failed_1433
Echo %1 udp Port 1433 is not listening
Goto end
:success_1433
Echo %1 udp Port 1433 is listening
goto end
:EndFor what it's worth, I wrote a PowerShell script that does something like this a while back.
http://gallery.technet.microsoft.com/scriptcenter/97119ed6-6fb2-446d-98d8-32d823867131 -
My itunes account on windows xp shuts down for no reason. If even try to delete something from my library it shuts down. It wont recognize my iphone and there is an issue with network connectivity and I can't connect to the store. I have already reinstalled itunes and did a system restore on my computer, firewall has been checked, itunes is ok on firewall and virus scan done. Ideas??
Same problem. I can see the itunes store so not a problem with windows firewall. The account is active on my iphone so i know i am not locked out. I can connect the PC to my iphone so i know itunes is working ok. It is just logging into itunes on this pc which doesn't work. Only thing I can think of is that the email address I use for my apple id has been offline for a while and is working again now, I'm wondering whether this has been the case for others who are having this issue?
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Slow Finder startup when not connected to network
I use a Linksys BEFW11S4 router/WAP for my home network. The Linksys connects my iMac (ethernet), iBook (wireless) and an Airport Express. I decided I would control my son's access to the internet by using the Linksys router software, which is password-protected, to enable or disable the network connection.
However, I'm finding that when the network connection is disabled, the Finder loads very slowly upon startup. The dock appears fairly quickly, but a color pinwheel spins for a couple of minutes before the Finder menu bar, desktop file and volume icons and any windows I've left opened appear on the desktop. When the network connection is enabled, startup occurs normally . This situation occurs whether I'm on the iMac or the iBook.
Does anyone know a reason for this behavior?
iMac G4 17; iBook G4 1.33 Mhz 14; iPod 3G 20GB Mac OS X (10.3.9)I talked to Linksys technical support, and they told me this behavior was normal. As long as my computers are connected to the router, they will hunt for an Internet connection on startup. (I found this was true even when I physically disconnected my DSL modem from the outer.) It seems that the lengthy delay in getting the Finder loaded is unavoidable in that case. Good work, Jase!
iMac G4 17; iBook G4 1.33 Mhz 14; iPod 3G 20GB Mac OS X (10.3.9) -
I keep getting a message on startup saying 'Do you want the application "KodakAiOBonjourAgent .app" to accept incoming network connections?' It says settings may be changed in the Firewall pane of Security but I don't see how. Doesn't matter what I click (Deny/Submit). The message still pops up on starup. I have a Kodak printer and am running Mavericks but I don't think it started when I upgraded.
Just fixed this on my machine, the easiest way to remove this pop-up assuming you are no longer needing that software to print is the following:
Open Finder
Go > Go To Folder...
Type In: "~/Library/Application Support"
Delete All Folders Named Kodak
Open System Preferences
Go to "Security & Privacy"
Click the lock and enter your admin password
Click the Firewall Tab
Go to "Firewall Options..."
Find KodakAiO
Right-click KodakAiOBonjourAgent or equivalent (I forget the exact name)
Click "Show in Finder"
Go Back to a folder and delete the Kodak Folder there.
Remove Kodak from Firewall Options by selecting it and clicking the " - " button the base of the list.
or
Open Finder
Go > Go To Folder...
Type In: "~/Library/Printers"
Delete All Folders Named Kodak
I'm going off memory, so If I forgot something let me know. -
SLM2024 port mirroring breaks network connections
Hi all, I got an SLM2024 that I want to use with my network probe app to analyze packets, I have my network probe PC plugged into the target port and uplink to firewall's trusted port to source port of 2024. Now whenever I enable port mirroring on the 2024, I lose all network connections on the 2024, I searched around here but didn't really find my answer. If anyone's seen this before, any pointers would be great.
Hi Crash, thanks for the reply, yeah it's a similar setting on that model just with a different layout on the admin page, what I meant on the trusted port part is, I have a netscreen firewall and the trusted port of the firewall goes into the source mirrored port of the slm2024, and my PC is on the target port. And I have those mirrored with a setting for both tx and rx, whenever I enable mirroring it halts traffic from the firewall, and others that are on the 2024 like server/workstns.
But network probe works and I can see traffic. We had a cisco catalyst before and that had no problems using the span feature. -
Why is my MacBook Port Scanning UDP Port 7238?
I have a MacBook 2.0 GHz. Just got it March 20, 2006. I'm sitting here at work, minding my own business and a PC co-worker says I am port scanning him. This has happened several times over the past month. This latest I tried to port scan UDP Port 7238. I had Mail up, Firefox, and had just launched NoteTaker and NoteTaker informed me it had an update when he said I was port scanning. (It was my IP.)
Does anyone know what is going on? This happened last year from my G5 at home. My ISP kept knocking me off. (We have wireless.) They kept telling me I was scanning their Port 0. No, I was not! Finally, they sent someone out and they configured my D-Link router so it would not Port Scan particular ones. It's been about a year and I've not been knocked off since. It was a weekly thing back then.
Nancy S.Funny.
I just got a letter from my ISP that I was illegally scanning some ports on their server.
I will try little snitch and see... -
Why gnome-shell makes network connection by itself on startup?
I have a very *clean* gnome-shell desktop environment installed. Randomly I use 'ss -utp' to see that application other than my web browser is making network connection to the outside world, I found something.
After a reboot and logged in to Gnome-shell, there are several DNS lookups and connection is established to "proxy02.gnome.org" at 209.132.180.168 and than a connection is established to "ec2-54-246-211-38.eu-west-1.compute.amazonaws.com" at 54.246.211.38. That site turns out to be "Mozilla Location Service". Yes I think I know what it is. It's seems to be the Gnome-shell's integrated location service.
If it's it, there is a big problem. I disabled it long long time ago just after it appeared on the head bar... So how can gnome shell decide to make a network connection after I explicitly told it not to? Though I believe it's really not about to do some bad things, but the reason why I switched to Linux for years is just to be able to get a more trustable OS on my stuff.
Sorry about the complaint. I chose to use it and they said "THERE IS NO WARRANTY FOR THE PROGRAM" in the GPL. I just want to know Is there is a "MAGIC" setting or config file for me to "REALLY" disable it.
Thanks!masked geoclue in systemd.
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The processing of Group Policy failed because of lack of network connectivity to a domain controller
We are setting up a new AD environment with one AD/DC running DNS services, and a secondary DNS server configured with secondary zone. The problem is that none of the machines in the the domain are getting GPO.
When I run a gpupdate /force from a machine, I get the following output:
"Updating Policy...
User Policy update has completed successfully.
Computer policy could not be updated successfully. The following errors were enc
ountered:
The processing of Group Policy failed because of lack of network connectivity to
a domain controller. This may be a transient condition. A success message would
be generated once the machine gets connected to the domain controller and Group
Policy has succesfully processed. If you do not see a success message for sever
al hours, then contact your administrator.
To diagnose the failure, review the event log or run GPRESULT /H GPReport.html f
rom the command line to access information about Group Policy results."
While the system event log outputs the following:
"The processing of Group Policy failed because of lack of network connectivity to a domain controller. This may be a transient condition. A success message would be generated once the machine gets connected to the domain controller and Group Policy
has succesfully processed. If you do not see a success message for several hours, then contact your administrator."
All the machines that were joined to the domain are able to resolve in forward and reverse lookups, ping the DC and ping each other so I dont understand how the error can be resolved.
Here are few things I have tried:
1. I came across this KB which checked ok for me: http://support.microsoft.com/kb/241515
2. Made a copy of the default GPO, applied to a OU with one machine, and made sure to remove any GPO links from above
3. Enabled the following two local Group policies on a test member:
GP slow link detection
Startup policy processing wait time
4. Modified firewall to allow everything on both member and DC
5. Verified DSN logs, SRV records, access to sysvol ( added authenticated users to sysvol)
I have yet to figure out the reason for this issue. Has anyone seen anything like this before?1. I checked the NIC, it only has one IP. and I followed your article. I set the primary DNS to its own IP and the secondary DNS to the loopback ip
2. This is a new DC and DNS server. I dont have old records yet. I also check the DNS event logs. No errors
3. I made sure the member server is pointing only to the only DC/DNS server
4. Here is the output from the dcdiag.... everything passed except, the Netlogons part. I'm not sure what means or how to fix it yet:
Starting test: NetLogons
* Warning BUILTIN\Administrators did not have the "Access this
computer
"* from network" right.
[hostname] An net use or LsaPolicy operation failed with error
1, Incorrect function..
......................... hostname failed test NetLogons
Complete output:
> hostname
Server: hostname.domain.local
Address: X.X.X.95
> ^C
C:\Windows\system32>
C:\Windows\system32>nslookup
> set type=all
>
>
>
> _ldap._tcp.dc._msdcs.domainname
_ldap._tcp.dc._msdcs.domain.local SRV service location:
priority = 0
weight = 100
port = 389
svr hostname = hostname.domain.local
hostname.domain.local internet address = X.X.X.95
> ^C
C:\Windows\system32>cd ..
C:\Windows>cd SYSVOL
C:\Windows\SYSVOL>cd sysvol
C:\Windows\SYSVOL\sysvol>dir
Volume in drive C has no label.
Volume Serial Number is F624-CDB2
Directory of C:\Windows\SYSVOL\sysvol
10/29/2014 08:25 PM <DIR> .
10/29/2014 08:25 PM <DIR> ..
10/29/2014 08:25 PM <JUNCTION> domain.local [C:\Windows\SYSVOL\domain]
0 File(s) 0 bytes
3 Dir(s) 63,971,037,184 bytes free
C:\Windows\SYSVOL\sysvol>dcdiag
Directory Server Diagnosis
Performing initial setup:
Trying to find home server...
Home Server = hostname
* Identified AD Forest.
Done gathering initial info.
Doing initial required tests
Testing server: Default-First-Site-Name\hostname
Starting test: Connectivity
......................... hostname passed test Connectivity
Doing primary tests
Testing server: Default-First-Site-Name\hostname
Starting test: Advertising
......................... hostname passed test Advertising
Starting test: FrsEvent
......................... hostname passed test FrsEvent
Starting test: DFSREvent
......................... hostname passed test DFSREvent
Starting test: SysVolCheck
......................... hostname passed test SysVolCheck
Starting test: KccEvent
......................... hostname passed test KccEvent
Starting test: KnowsOfRoleHolders
......................... hostname passed test
KnowsOfRoleHolders
Starting test: MachineAccount
......................... hostname passed test MachineAccount
Starting test: NCSecDesc
......................... hostname passed test NCSecDesc
Starting test: NetLogons
* Warning BUILTIN\Administrators did not have the "Access this
computer
"* from network" right.
[hostname] An net use or LsaPolicy operation failed with error
1, Incorrect function..
......................... hostname failed test NetLogons
Starting test: ObjectsReplicated
......................... hostname passed test
ObjectsReplicated
Starting test: Replications
......................... hostname passed test Replications
Starting test: RidManager
......................... hostname passed test RidManager
Starting test: Services
......................... hostname passed test Services
Starting test: SystemLog
A warning event occurred. EventID: 0x000003F6
Time Generated: 03/04/2015 18:23:06
Event String:
Name resolution for the name ctldl.windowsupdate.com timed out after
none of the configured DNS servers responded.
......................... hostname passed test SystemLog
Starting test: VerifyReferences
......................... hostname passed test VerifyReferences
Running partition tests on : ForestDnsZones
Starting test: CheckSDRefDom
......................... ForestDnsZones passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... ForestDnsZones passed test
CrossRefValidation
Running partition tests on : DomainDnsZones
Starting test: CheckSDRefDom
......................... DomainDnsZones passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... DomainDnsZones passed test
CrossRefValidation
Running partition tests on : Schema
Starting test: CheckSDRefDom
......................... Schema passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... Schema passed test CrossRefValidation
Running partition tests on : Configuration
Starting test: CheckSDRefDom
......................... Configuration passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... Configuration passed test CrossRefValidation
Running partition tests on : emcdsm
Starting test: CheckSDRefDom
......................... emcdsm passed test CheckSDRefDom
Starting test: CrossRefValidation
......................... emcdsm passed test CrossRefValidation
Running enterprise tests on : domain.local
Starting test: LocatorCheck
......................... domain.local passed test LocatorCheck
Starting test: Intersite
......................... domain.local passed test Intersite
C:\Windows\SYSVOL\sysvol> -
We often have one of our ethernet-connected PCs lose its network connection. (not just the internet, the entire LAN connection). To get it back we either reset the Homehub 3 or simply swap the cables between ports on the hub. It isn't always the same PC that loses the connection, so pretty sure the problem isn't at the PC end.
I've spoken to BT in India and they sent a replacement Homehub 3, but the issue persists. Both Homehubs are Type A. The person I spoke with insisted they no longer make the Type B hub (which I wanted for its newer firmware).
Although we do have the workarounds above, this issue is annoying so I'd like to find a solution.Hi foxycat,
Do you get any error messages on the computer when it loses connection? I presume the error messages are the same on each computer? I'm also presuming each computer is connected to the Homehub using a different ethernet cable so this would rule out the cable being at fault. Is there one computer that doesn't lose connection at all, or does the issue occur when you switch on a certain device?
Dean
BTCare Community Mod
If you like a post, or want to say thanks for a helpful answer, please click on the Ratings star on the left-hand side of the post.
If someone answers your question correctly please let other members know by clicking on ’Mark as Accepted Solution’. -
MBP takes long time to restore wired network connection after wake-up
Hello...
My Mid-2010 MBP (MacBookPro6,2) has been experiencing this problem recently -- Whenever I wake up the computer from sleep, it needs approximately 10 seconds to restore its wired network connection. I know there are other annoying connection issues with MBP's WiFi/AirPort out there, but I'm talking about the wired connection here.
Maybe some don't even think this slowness is a problem at all, but this laptop used to be network-ready right after wake-up until 3~4 months ago. That was around the time when I upgraded to SSD and changed some settings via pmset, not sure if that's the culprit. It is now running OS X 10.8.5 and its pmset settings are:
Battery Power:
lidwake 1
ttyskeepawake 1
hibernatemode 3
gpuswitch 2
hibernatefile /var/vm/sleepimage
displaysleep 2
sleep 15
acwake 0
halfdim 1
sms 0
lessbright 1
disksleep 10
AC Power:
lidwake 1
ttyskeepawake 1
hibernatemode 0
gpuswitch 2
hibernatefile /var/vm/sleepimage
womp 1
displaysleep 10
networkoversleep 0
sleep 60
acwake 0
halfdim 1
sms 0
disksleep 0
I'd appreciate help of any kind
Thanks,
zuoyMaybe try this, i am not sure that it will resolve the problem, but it is worth trying anyways.
http://social.technet.microsoft.com/Forums/en-US/w7itpronetworking/thread/eef49e64-157c-4082-8e80-52e48309691f
Hi All,
I've seen this problem multiple times, especially with Windows 7 64-bit versions and Enterprise edition. The source of the problem appears to be the Bonjour service that is installed in the background and set to "Automatic" when installing certain 3rd
party applications. Apple applications like iTunes and Adobe applications like Acrobat Professional and Creative Suites have been known to cause this problem. I've also seen virtualization software like VMWare and VirtualBox cause similar issues
with network adapters.
The solution in most of the cases I've come across has been to stop and disable the Bonjour service. The Bonjour service also masquerades as a service with a name of the format "##Id_String1.6844F930_blahblahblah". Here's how to disable this service
in Windows 7:
Right-Click on Computer > Select 'Manage'
Expand the 'Services and Applications' section in the bottom of the Left-Nav dialog and Select 'Services'
Sort the Services list by name and look for either "Bonjour" or the "##Id_String..." name mentioned above
Right-Click on the service and select 'Properties'
Click the 'Stop' button to stop the service
Select 'Disabled' from the 'Startup type' drop down list
Click 'Apply' and then 'OK'
Reboot your machine and see if the "Multiple Networks" issue is resolved. If so, you should have internet connectivity again.
Hope this helps.
cheers,
Aaron -
I have to click on the network connections icon and ask it to refresh before Firefox makes the connection. This never happened with Explorer and I don't remember it happening the first few months with Firefox. Did I foul up my settings somehow? Or add plug-in or extension that is causing this?
Every now and then, you should run these programs<BR><BR>
Sometimes a problem with Firefox may be a result of malware installed on your computer, that you may not be aware of.
You can try these free programs to scan for malware, which work with your existing antivirus software:
* [http://www.microsoft.com/security/scanner/default.aspx Microsoft Safety Scanner]
* [http://www.malwarebytes.org/products/malwarebytes_free/ MalwareBytes' Anti-Malware]
* [http://support.kaspersky.com/faq/?qid=208283363 TDSSKiller - AntiRootkit Utility]
* [http://www.surfright.nl/en/hitmanpro/ Hitman Pro]
* [http://www.eset.com/us/online-scanner/ ESET Online Scanner]
[http://windows.microsoft.com/MSE Microsoft Security Essentials] is a good permanent antivirus for Windows 7/Vista/XP if you don't already have one.
Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article.
Did this fix your problems? Please report back to us! -
A few months ago, while on the 3G network, my iPhone 3GS starting turning off randomly when I was using safari or an online app and the battery was somewhere around 5-20%. When this happened the only way to get the phone back on was by fully charging it which sometimes took a few hours even. It wasn't a big deal at the time because it was infrequent and while the phone was at a low battery %. However, in the past few months, around the time I upgraded to iOS 5.1 it started happened more and more often and at higher and higher battery percentages. It is now at a point where my phone shuts off every time I connect to the 3G network regardless of what my battery life is. I have called Rogers several times to complain about this and I have been told it is because of the battery for the most part but I don’t buy it; the problem has got to be more significant than the battery alone because I can listen to music and send texts at anytime and fully use the internet when I am connected to Wi-Fi. I more recently talked to someone in tech support from Rogers who said my phone cannot support the iOS 5.1 software and that is why it is crashing. They also asked if my phone was heating up more now than in the past and it is. They said this was further evidence that my phone was couldn't handle the new software and was basically on overload. I was told to the best solution was to "Back Up" my iPhone then do a full "Restore". Here is where my next problem comes along. I cannot "Restore" my iPhone without doing an upgrade and every time I attempt to "Upgrade & Restore" an error message pops up that says "There was a problem downloading the software for the iPhone "...". The network connection timed out/was reset. -Make sure your network settings are correct and your network connection is active, or try again later". I have followed all of the protocol that is readily available online to address this problem but still no success. I disabled my firewall and anti-virus programs, I have ensured my connection is active and stable, I have upgraded to the newest iTunes, I have uninstalled iTunes and all apple programs in the correct order then reinstalled iTunes, I have disabled my DNS cache. Nothing works.
If you have any advise whatsoever please share as it would be greatly appreciated.
ThanksI was actually able to upgrade to the newest software, iOS 5.1.1 without connecting to my computer/iTunes but rather directly through my phone when I was home on Wi-Fi. After the upgrade I plugged my phone into a different USB port at the back of my computer and was able to do a full restore. I really don't think the USB port had anything to do with it because I use the same front USB port all the time with my external hard drive and other devices wuth no problems at all; regardless of what the actual solution was, I am now able to connect to iTunes and upgrade/restore without any problems so that half of my problem is resolved.
I have yet to leave my house since doing the upgrade/restore so I am not sure if the problem with my phone crashing when I use the interent on the 3G is still an issue. I will test it today and tomorrow and give you an update.
Thanks -
Lion 10.7.2 network connections stall
I am currently typing this while booted from the recovery drive. Lion network connections seem to stall on my macbook pro. Interestingly, connections made from command line programs and applications running in virtual machines are not affected. Additionally, some programs become unresponsive when launched while connected to the internet, but launch normally when internet access is disabled (such as xcode and addressbook), while others always become unresponsive on launch(including keychain, mail). I have also observed 1Mbps incoming spikes occuring randomly during these issues. I have tried creating a fresh user account to no avail (hence I'm in recovery mode). My current theories are that either the network framework on the system drive is errant, so any applications that use it have problems while the ones that directly use the POSIX API have no problems, or that iCloud is blocked on my university's network and the sync services behave badly when the system is online and it can't connect to Apple. I intend to test each theory when I get home, or perhaps when I can use another network besides my university's, but I need the ports iCloud's services use so I can systematically block them and check if that is the cause of the issue. I'm personally hoping it's the former issue, as it will be far less annoying to reinstall the OS than to downgrade to simply use my laptop at school.
For a couple of weeks, no matter what I did with iCloud, nothing worked, except occasinally checking email with Mail.app. Today, everything is working. I noticed that in the logs there was a timeout error immediately after this message: UserEventAgent: CaptiveNetworkSupport:wispr_detect_redirect_async:424 user-agent:"CaptiveNetworkSupport-173 wispr" url:"http://www.apple.com/library/test/success.html". It seems this is how apple determines whether to display the login window. As to why it was timing out, I'm not sure, but I noticed that my iPod Touch had no issues and was connecting over a different subnet. It may have just been a network configuration problem at my school, or an overloaded login server. I'll post again if I have problems later.
-
Losing network connection and NIC acts weird from warm/hot weather/temperatures?
Hello.
Is there a known issue on MSI P43 NEO3-F (MSI-7514) motherboards' onboard RealTek RTL8168C (P)/8111C(P) PCI-E Gigabit Ethernet NIC network disconnecting and acting weird during warm/hot weather?
I noticed lately and back on 1/11/2009 night when weather got warm/hot (e.g., my room can get over 85F degrees, but lately it has been 80F degrees), my network would lose its connection. See http://img9.imageshack.us/img9/5580/screenshots.gif for a few SpeedFan's sensor readings when the incidents occurred. I have never seen this happen when the weather is cooler (60-70F degrees in my room).
I also think this only happens if I am using the PC lightly (nothing intensive) like watching fullscreen videos (video overlay), surfing the Web, etc. I don't see any errors or evidences that it happens when idled (e.g., asleep or out). Uptime doesn't seem to matter since I have seen days to 3.5 hours.
I tried upgrading network driver twice (e.g., Realtek_XP_5714_0219 from
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=5&Level=5&Conn=4&DownTypeID=3&GetDown=false ...), disabling Kerio Personal Firewall v2.1.5 (XP's disabled already), releasing and renewing IP address (works, but still no network -- can't even ping my router!), unplugging and replugging the cat5 cable (do see the network port lights on), touching the network jack and hardware inside and outside of the case (not hot), trying another cat5 cable and a network port on a switch instead router's), changing from "Minimal Power Management" to full power (no underclocking/slowing down when idled), etc.
During the disconnections, I tried:
C:\>tracert 192.168.0.1
Tracing route to 192.168.0.1 over a maximum of 30 hops
1 * * * Request timed out.
2 * * * Request timed out.
3 * * ^C
IPCONFIG.EXE /ALL when having network problems:
Windows IP Configuration
Host Name . . . . . . . . . . . . : FOOBAR
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter VMware Network Adapter VMnet8:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for VMnet8
Physical Address. . . . . . . . . : 00-50-56-C0-00-08
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.134.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
Ethernet adapter VMware Network Adapter VMnet1:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for VMnet1
Physical Address. . . . . . . . . : 00-50-56-C0-00-01
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.80.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
Ethernet adapter HDTV Tuner 2:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TechniSat DVB-PC TV Star PCI #3
Physical Address. . . . . . . . . : 00-D0-D7-30-19-C1
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 169.254.178.3
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCP Server . . . . . . . . . . . : 169.254.178.1
Lease Obtained. . . . . . . . . . : Saturday, February 28, 2009 6:55:04 PM
Lease Expires . . . . . . . . . . : Monday, July 13, 2009 11:28:08 PM
Ethernet adapter HDTV Tuner 1:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TechniSat DVB-PC TV Star PCI
Physical Address. . . . . . . . . : 00-D0-D7-30-1A-1D
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 169.254.178.4
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCP Server . . . . . . . . . . . : 169.254.178.1
Lease Obtained. . . . . . . . . . : Saturday, February 28, 2009 6:55:21 PM
Lease Expires . . . . . . . . . . : Monday, July 13, 2009 11:28:25 PM
Ethernet adapter Local Area Connection 15:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC
Physical Address. . . . . . . . . : 00-21-85-1A-C6-72
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.0.82
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.0.1
DNS Servers . . . . . . . . . . . : 192.168.0.1
4.2.2.1
I checked Windows XP Pro. SP3's event logs and noticed these during the disconnections:
Event logs showed:
Event Type: Information
Event Source: Tcpip
Event Category: None
Event ID: 4201
Date: 2/28/2009
Time: 6:42:23 PM
User: N/A
Computer: FOOBAR
Description:
The system detected that network adapter \DEVICE\TCPIP_{51FDDE0F-0935-416E-8FE0-3E1A50847D41} was connected to the network, and has initiated normal operation over the network adapter.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 69 10 00 40 ....i..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
Event Type: Information
Event Source: BROWSER
Event Category: None
Event ID: 8033
Date: 2/28/2009
Time: 6:47:22 PM
User: N/A
Computer: FOOBAR
Description:
The browser has forced an election on network \Device\NetBT_Tcpip_{89F40100-0D8D-4C33-A32D-3D91CAEB3FBD} because a master browser was stopped.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Event Type: Information
Event Source: Tcpip
Event Category: None
Event ID: 4201
Date: 3/1/2009
Time: 6:19:08 AM
User: N/A
Computer: FOOBAR
Description:
The system detected that network adapter \DEVICE\TCPIP_{51FDDE0F-0935-416E-8FE0-3E1A50847D41} was connected to the network, and has initiated normal operation over the network adapter.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 69 10 00 40 ....i..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
Event Type: Information
Event Source: Tcpip
Event Category: None
Event ID: 4201
Date: 3/1/2009
Time: 6:19:20 AM
User: N/A
Computer: FOOBAR
Description:
The system detected that network adapter \DEVICE\TCPIP_{51FDDE0F-0935-416E-8FE0-3E1A50847D41} was connected to the network, and has initiated normal operation over the network adapter.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 02 00 50 00 ......P.
0008: 00 00 00 00 69 10 00 40 ....i..@
0010: 02 00 00 00 00 00 00 00 ........
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
I also noticed the disconnections usually start with red X icon in my taskbar with its bubble and then later the long disconnection even though no red X (1 GB and connected). If I were to disconnect the cat5 cable from NIC, then it wouldn't even detect it is missing the cable!
The only way to fix this was to reboot (best way and last longer) OR disable network connection and re-enable it (Windows XP's Network Connections) or the NIC itself (Device Manager), but that doesn't always last long (maybe a minute). Example of my pings right after disabling and re-enabling NIC:
C:\>ping 192.168.0.1 -t
Pinging 192.168.0.1 with 32 bytes of data:
Request timed out.
Reply from 192.168.0.1: bytes=32 time<1ms TTL=150
Reply from 192.168.0.1: bytes=32 time<1ms TTL=150
Reply from 192.168.0.1: bytes=32 time<1ms TTL=150
Request timed out.
Reply from 192.168.0.1: bytes=32 time<1ms TTL=150
Request timed out.
Request timed out.
Reply from 192.168.0.1: bytes=32 time<1ms TTL=150
MSINFO32 in case it helps (seems OK to me, but I am not a hardware expert):
[Conflicts/Sharing]
Resource Device
I/O Port 0x00000000-0x00000CF7 PCI bus
I/O Port 0x00000000-0x00000CF7 Direct memory access controller
I/O Port 0x000003C0-0x000003DF Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
I/O Port 0x000003C0-0x000003DF ATI Radeon HD 4800 Series
IRQ 21 Intel(R) ICH10 Family USB Universal Host Controller - 3A38
IRQ 21 OHCI Compliant IEEE 1394 Host Controller
IRQ 21 TechniSat DVB-PC TV Star PCI
IRQ 23 Intel(R) ICH10 Family USB Universal Host Controller - 3A34
IRQ 23 Intel(R) ICH10 Family USB Enhanced Host Controller - 3A3A
I/O Port 0x0000B000-0x0000BFFF Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
I/O Port 0x0000B000-0x0000BFFF ATI Radeon HD 4800 Series
IRQ 16 Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
IRQ 16 ATI Radeon HD 4800 Series
IRQ 16 Intel(R) ICH10 Family USB Universal Host Controller - 3A37
IRQ 16 Standard Dual Channel PCI IDE Controller
IRQ 16 Intel(R) ICH10 Family PCI Express Root Port 2 - 3A42
IRQ 16 Intel(R) ICH10 Family PCI Express Root Port 6 - 3A4A
IRQ 16 ASUS TV880 Video Capture (NTSC)
IRQ 17 Microsoft UAA Bus Driver for High Definition Audio
IRQ 17 Intel(R) ICH10 Family PCI Express Root Port 1 - 3A40
IRQ 17 Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC
Memory Address 0xD0000000-0xDFFFFFFF Intel(R) 4 Series Chipset PCI Express Root Port -
2E21
Memory Address 0xD0000000-0xDFFFFFFF ATI Radeon HD 4800 Series
IRQ 18 Intel(R) ICH10 Family USB Enhanced Host Controller - 3A3C
IRQ 18 Intel(R) ICH10 Family USB Universal Host Controller - 3A36
IRQ 19 Intel(R) ICH10 Family USB Universal Host Controller - 3A39
IRQ 19 Intel(R) ICH10 Family USB Universal Host Controller - 3A35
IRQ 19 Intel(R) ICH10 Family 4 port Serial ATA Storage Controller 1 - 3A20
IRQ 19 Intel(R) ICH10 Family 2 port Serial ATA Storage Controller 2 - 3A26
Memory Address 0xA0000-0xBFFFF PCI bus
Memory Address 0xA0000-0xBFFFF Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
Memory Address 0xA0000-0xBFFFF ATI Radeon HD 4800 Series
Memory Address 0xFED90000-0xFED93FFF System board
Memory Address 0xFED90000-0xFED93FFF System board
I/O Port 0x000003B0-0x000003BB Intel(R) 4 Series Chipset PCI Express Root Port - 2E21
I/O Port 0x000003B0-0x000003BB ATI Radeon HD 4800 Series
[IRQs]
Resource Device Status
IRQ 9 Microsoft ACPI-Compliant System OK
IRQ 16 Intel(R) 4 Series Chipset PCI Express Root Port - 2E21 OK
IRQ 16 ATI Radeon HD 4800 Series OK
IRQ 16 Intel(R) ICH10 Family USB Universal Host Controller - 3A37 OK
IRQ 16 Standard Dual Channel PCI IDE Controller OK
IRQ 16 Intel(R) ICH10 Family PCI Express Root Port 2 - 3A42 OK
IRQ 16 Intel(R) ICH10 Family PCI Express Root Port 6 - 3A4A OK
IRQ 16 ASUS TV880 Video Capture (NTSC) OK
IRQ 17 Microsoft UAA Bus Driver for High Definition Audio OK
IRQ 17 Intel(R) ICH10 Family PCI Express Root Port 1 - 3A40 OK
IRQ 17 Realtek RTL8168C(P)/8111C(P) PCI-E Gigabit Ethernet NIC OK
IRQ 21 Intel(R) ICH10 Family USB Universal Host Controller - 3A38 OK
IRQ 21 OHCI Compliant IEEE 1394 Host Controller OK
IRQ 21 TechniSat DVB-PC TV Star PCI OK
IRQ 19 Intel(R) ICH10 Family USB Universal Host Controller - 3A39 OK
IRQ 19 Intel(R) ICH10 Family USB Universal Host Controller - 3A35 OK
IRQ 19 Intel(R) ICH10 Family 4 port Serial ATA Storage Controller 1 - 3A20 OK
IRQ 19 Intel(R) ICH10 Family 2 port Serial ATA Storage Controller 2 - 3A26 OK
IRQ 18 Intel(R) ICH10 Family USB Enhanced Host Controller - 3A3C OK
IRQ 18 Intel(R) ICH10 Family USB Universal Host Controller - 3A36 OK
IRQ 23 Intel(R) ICH10 Family USB Universal Host Controller - 3A34 OK
IRQ 23 Intel(R) ICH10 Family USB Enhanced Host Controller - 3A3A OK
IRQ 20 Creative SB Audigy 2 ZS (WDM) OK
IRQ 22 TechniSat DVB-PC TV Star PCI #3 OK
IRQ 0 System timer OK
IRQ 8 System CMOS/real time clock OK
IRQ 13 Numeric data processor OK
IRQ 4 Communications Port (COM1) OK
IRQ 6 Standard floppy disk controller OK
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard OK
IRQ 12 Microsoft PS/2 Mouse OK
IRQ 14 Intel(R) ICH10 Family SMBus Controller - 3A30 OK
My detailed computer configurations can be found here: http://alpha.zimage.com/~ant/antfarm/about/computers.txt (primary computer).
Thank you in advance.Quote from: NovJoe on 02-March-09, 23:10:05
Force your NIC to run at 100Mbps full duplex and see how it goes.
Check your router / switch ports as well as cables.
I will try 100 Mbps if it happens again. So far, it hasn't occurred after installing the driver supplied by MSI's Web site and not RealTek's Web site. The room temperatures even got warmer like 83F degrees.
As for router and switch, what am I checking for? Other computers didn't have any problems. As for cat5 cables, I already tried another one like I said in my original post.
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