Installation of Network Time Protocol Security Fix

Hi....
Per App Store, I installed the fix with no issues clicking "install now." But, Mom's Mac did the automatic install. She saw the message window saying a security update was installed. But, in the Application Store Upgrade section, this security upgrade is not listed. Previous software updates are listed. For "fun of it" I downloaded the pkg with the update and "re-installed" it on my Mac, It installed.
Questions:
1. Did I mess up my Mac by doing the install twice?
2. If not, can I do the same on Mom's Mac to be sure the update is installed?
3. Why wouldn't the automatic install (on Mom's machine) not show up on the list of updates? Is this the usual state for automatic updates?
4. What could I look at to see if the update was installed besides the lupdate list where it doesn't show up.
Thanks!

John, many thanks! Took me a bit to find the install.log, but yes, the entry was there. For my "self install" on the package, log said, "Installed "NTPUpdateYosemite-2"
BTW: I checked the fingerprint of the package I downloaded, and it did not match the fingerprint in this Apple article at How to verify the authenticity of manually downloaded Apple Software Updates - Apple Support But, the fingerprint of the package I downloaded did match the fingerprint of the package for the "Digital Camera RAW Compatibility 6.02" package that came out Dec 15th. So, I think that the package I used was legit. Make sense?
ALSO...I did find this info on Apple website posted today. About OS X NTP Security Update - Apple Support It has terminal command for seeing if your NTP is updated. [Just saw you edited your reply to include this]
And, finally....Thanks so much for helping a relative newbie to software "stuff"

Similar Messages

Firewall blocks Apple's Network Time Protocol

Hi,
I admit to not fully understanding everything about the Firewall on OS X server 10.4.11 and I'm hoping someone can help with a little(?) problem.
On the WAN side, my "gateway" server is connected directly to my SpeedTouch 780 modem with a fixed IP address. On the LAN side are a couple of switches and then an Airport Extreme base station (192.168.2.249). This broadcasts wirelessly to a more distant Airport Express (192.168.2.247). Both WiFi devices are configured to obtain the time from Apple's European servers.
After completing a Carbon Copy Cloner of my OS partition and rebooting on my usual volume I noticed the following denials in my Firewall log:
Dec 28 12:50:16 nl1 ipfw: 65534 Deny UDP 17.72.255.12:123 192.168.2.249:3987 in via en0
Dec 28 12:40:25 nl1 ipfw: 65534 Deny UDP 17.72.255.12:123 192.168.2.247:3814 in via en0
In SA --> Firewall --> Settings --> Services --> Edit Services for: 192.168.1-net (en0/modem connection)
I have the "Allow only traffic for: 192.168.1-net on these ports" checked and
NTP - Network Time Protocol UDP/TCP is also checked.
Under, Edit Services for: any
I have the "Allow only traffic for: any" checked and
NTP - Network Time Protocol UDP/TCP is also checked.
Under, Edit Services for: 192.168.2-net (en1/LAN)
I have the "Allow all traffic for: 192.168.2-net" checked.
1) Why is this traffic being blocked?
2) Why does the port number seem to get changed in transit? (I've got NAT running and Open Directory).
3) Does the configuration under, "Allow only traffic for: any" overrule all other Firewall settings? So if for example a port under, "Allow only traffic for: 192.168.1-net on these ports" wasn't checked but was under, "Allow only traffic for: any", would the traffic be allowed through?
Thanks and happy new year!
Michael Franks

Do you have NTP activated? Does it work? If it doesn't and you have the firewall activated, then open the required port. If it is working then don't worry about it.

NTP(Network Time Protocol) Error whil installing Oracle 11gR2 RAC

Dear Friends,
I have installed oracle 11gr2 clusterware software in two node RAC. While i run the CLUVFY.SH, It shows error in NTP configuration.
1)I add "-x" parameter in "/etc/sysconfig/ntp" configuration file. and start the ntpd service and run the cluvfy.sh . then i got the below error.
Check: CTSS state
Node Name State
rac2 Observer
rac1 Observer
CTSS is in Observer state. Switching over to clock synchronization checks using NTP
Starting Clock synchronization checks using Network Time Protocol(NTP)...
NTP Configuration file check started...
The NTP configuration file "/etc/ntp.conf" is available on all nodes
NTP Configuration file check passed
Checking daemon liveness...
Check: Liveness for "ntpd"
Node Name Running?
rac2 no
rac1 no
Result: Liveness check failed for "ntpd"
PRVF-5415 : Check to see if NTP daemon is running failed
Result: Clock synchronization check using Network Time Protocol(NTP) failed
PRVF-9652 : Cluster Time Synchronization Services check failed
Post-check for cluster services setup was unsuccessful on all the nodes.
=============================================================================================
2)Down the ntpd service in both nodes and run the CLUVFY.SH.
Check: CTSS state
Node Name State
rac2 Observer
rac1 Observer
CTSS is in Observer state. Switching over to clock synchronization checks using NTP
Starting Clock synchronization checks using Network Time Protocol(NTP)...
NTP Configuration file check started...
The NTP configuration file "/etc/ntp.conf" is available on all nodes
NTP Configuration file check passed
Checking daemon liveness...
Check: Liveness for "ntpd"
Node Name Running?
rac2 no
rac1 yes
Result: Liveness check failed for "ntpd"
PRVF-5415 : Check to see if NTP daemon is running failed
Result: Clock synchronization check using Network Time Protocol(NTP) failed
PRVF-9652 : Cluster Time Synchronization Services check failed
Post-check for cluster services setup was unsuccessful on all the nodes.
==========================================================================
3)Based on some website advice, I down the ntpd service and move the "/etc/ntpd.conf" to another location.Then i got the below error.
Result: Query of CTSS for time offset passed
Check CTSS state started...
Check: CTSS state
Node Name State
rac2 Observer
CTSS is in Observer state. Switching over to clock synchronization checks using NTP
Starting Clock synchronization checks using Network Time Protocol(NTP)...
NTP Configuration file check started...
ERROR:
PRVF-5402 : Warning: Could not find NTP configuration file "/etc/ntp.conf" on node "rac2"
PRVF-5405 : The NTP configuration file "/etc/ntp.conf" does not exist on all nodes
rac2
PRVF-5414 : Check of NTP Config file failed on all nodes. Cannot proceed further for the NTP tests
Result: Clock synchronization check using Network Time Protocol(NTP) failed
PRVF-9652 : Cluster Time Synchronization Services check failed
=============================================================
What should i do to solve this issue?? Please help me ...

Hi,
I start the ntpd start the service in both node and done the CLUVFY.SH.
The output is below,
Checking if CTSS Resource is running on all nodes...
Check: CTSS Resource running on all nodes
Node Name Status
rac2 passed
rac1 passed
Result: CTSS resource check passed
Querying CTSS for time offset on all nodes...
Result: Query of CTSS for time offset passed
Check CTSS state started...
Check: CTSS state
Node Name State
rac2 Observer
rac1 Observer
CTSS is in Observer state. Switching over to clock synchronization checks using NTP
Starting Clock synchronization checks using Network Time Protocol(NTP)...
NTP Configuration file check started...
The NTP configuration file "/etc/ntp.conf" is available on all nodes
NTP Configuration file check passed
Checking daemon liveness...
Check: Liveness for "ntpd"
Node Name Running?
rac2 yes
rac1 yes
Result: Liveness check passed for "ntpd"
Checking NTP daemon command line for slewing option "-x"
Check: NTP daemon command line
Node Name Slewing Option Set?
rac2 yes
rac1 yes
Result:
NTP daemon slewing option check passed
Checking NTP daemon's boot time configuration, in file "/etc/sysconfig/ntpd", for slewing option "-x"
Check: NTP daemon's boot time configuration
Node Name Slewing Option Set?
rac2 yes
rac1 yes
Result:
NTP daemon's boot time configuration check for slewing option passed
NTP common Time Server Check started...
PRVF-5410 : Check of common NTP Time Server failed
PRVF-5416 : Query of NTP daemon failed on all nodes
Result: Clock synchronization check using Network Time Protocol(NTP) passed
Oracle Cluster Time Synchronization Services check passed
========================================================================================
[oracle@rac1 ~]$ /u01/app/grid/oracle/product/10.2.0/db_1/bin/cluvfy comp clocksync
Verifying Clock Synchronization across the cluster nodes
Checking if Clusterware is installed on all nodes...
Check of Clusterware install passed
Checking if CTSS Resource is running on all nodes...
CTSS resource check passed
Querying CTSS for time offset on all nodes...
Query of CTSS for time offset passed
Check CTSS state started...
CTSS is in Observer state. Switching over to clock synchronization checks using NTP
Starting Clock synchronization checks using Network Time Protocol(NTP)...
NTP Configuration file check started...
NTP Configuration file check passed
Checking daemon liveness...
Liveness check passed for "ntpd"
NTP daemon slewing option check passed
NTP daemon's boot time configuration check for slewing option passed
NTP common Time Server Check started...
PRVF-5410 : Check of common NTP Time Server failed
PRVF-5416 : Query of NTP daemon failed on all nodes
Clock synchronization check using Network Time Protocol(NTP) passed
Oracle Cluster Time Synchronization Services check passed
Verification of Clock Synchronization across the cluster nodes was successful.
[oracle@rac1 ~]$
================================================================================
I hope the problem solved. Am i correct??

Use network time protocol on ciro to get timestamp?

I would like to grab a timestamp from a network time protocol server like NIST on a cRIO device connected to the internet. How can I do this? There has to be someone in our labview community that has done this before or knows how to do it. Code examples appreciated
[will work for kudos]
Solved!
Go to Solution.

The network time protocol functionality of the crio synchronizes the crio's internal time to that of a Network Time Protocol server once per minute. This insures the crio's time is always accurate within a few milliseconds (I forget the exact specs).
Using the article linked earlier i modified the ni-rt.ini file with the code given there and used the ip of one of the NIST Automic Clock NTP servers in Boulder, Colorado, which I found here: http://tf.nist.gov/tf-cgi/servers.cgi
I have tested and confirmed this works quite well for my application.
From my understanding, you are trying to use the crio's NTP functionality to synchronize the crio to the clock on your computer. Considering the fact that the crio's clock is much more accurate than the one on your pc, this seems a little backwards. What I would suggest you do is find a program that synchronizes your computer's clock to an external NTP server and choose the same NTP server that you have configured the crio to synchronize to. I recommend one of the NIST servers I told you about. I do know that windows has the ability to synchronize your clock to an NTP server of your choosing and you may not need to get any external software at all, you and your crio would just need an internet connection
You did not specify what kind of accuracy in your synchronization you were hoping to achieve, but be sure to look at the specs of both the crio sync and the program on your pc to see what kind of accuracy you will be getting.
If this is not an option, there is another way to 'synchronize'. If you are using a crio-pc architecture where the pc is triggering an acquisition on the crio you can simply record the pc's time when the trigger is sent and send that timestamp over shared variable to the crio to be recorded along with your data as the time when the acquisition started. Then the dt between data points will remain constant so you can extrapolate timestamps from there.
I hope I helped. Let me know what you think.
[will work for kudos]

How to get SNTP (Simple Network Time Protocol) time from any time Servers?

Hi All,
I am trying to get the date and time from any internet time servers (http://tf.nist.gov/service/time-servers.html). How do I get that within the java program.
ex: InetAddress address = InetAddress.getByName("time-nw.nist.gov");
then a variable holds the current date and time (optional any specific time zone)
Thanks in advance!
Gajen

Hi there,
As an update, AtomicDate ([atomicdate.sourceforge.net|http://atomicdate.sourceforge.net] ) is a clean and flexible Java implementation of the NTP/SNTP protocol. It's main features are integration with the Spring Framework and a network time enabled version of java.util.Date. Cheers!
AP

Update NTP (Network Time Protocol) wiki article?

I was trying to set up automatic clock synchronization, so I went here https://wiki.archlinux.org/index.php/Ne … e_Protocol to see how I could do that: first thing it says to install ntp, and that's easy, but then the configuration section is very different from the default /etc/ntp.conf coming with the repository package (version 4.2.6.p2-1), so this is the first reason why I think the article should be updated.
After that I started KISS-wondering why I should use a memory/bandwidth/cpu-eating daemon if what I want is just synchronize my clock at boot time, nothing more; in fact, configuring ntp that way is useful only for a ntp server, but I'm pretty confident that the large majority of people visiting that page are just looking for a way to sync their clock, so I think that the NTP part of the page should be split in 2 or even better 3 sub sections: 1) ntp server configuration (with ntpd running); 2) simple ntp clock synchronization (with ntpd running); 3) ntp clock synchronization (at boot time or as a cron event) (without ntpd running).
Subsection 3) should explain how to configure ntp.conf (and maybe /etc/rc.local ? I'm still studying on this) just to be able to have this command
ntpd -qg
automatically executed at boot time: maybe appending it to /etc/rc.local (but I'm afraid it's slightly more complicated than that, I'm still studying on it); it could also be reminded that it's possible to run that command at predefined time intervals by creating a cron event.
Is somebody with more knowledge than me interested in helping?
(Excuse my approximate English...)

Ok, I finally managed to find the time to revise the ntp.conf section, this is my first attempt to it:
===/etc/ntp.conf===
The first thing you define in your ntp.conf is the servers your machine will synchronize to.
NTP servers are classified in a hierarchical system with many levels called "strata": the devices which are considered independent time sources are classified as "stratum 0" sources; the servers directly connected to stratum 0 devices are classified as "stratum 1" sources; servers connected to stratum 1 sources are then classified as "stratum 2" sources and so on. It has to be understood that a server's stratum cannot be taken as an indication of its accuracy or reliability.
Tipically, stratum 2 servers are used for general synchronization purposes: if you don't already know the servers you're going to connect to, you should use the pool.ntp.org servers (http://www.pool.ntp.org/ or http://support.ntp.org/bin/view/Servers/NTPPoolServers) and choose the server pool that is closest to your location.
The following lines are just an example:
server 0.it.pool.ntp.org iburst
server 1.it.pool.ntp.org iburst
server 2.it.pool.ntp.org iburst
server 3.it.pool.ntp.org iburst
The iburst option is recommended, and sends a burst of packets if it cannot obtain a connection with the first attempt. The "burst" option should never be used without explicit permission and will likely result in blacklisting.
If you're setting up a ntp server, you need to add localhost as a server, so that, in case it loses internet access, it won't stop serving time to the network; add localhost as a "stratum 10" server (using the "fudge" command) so that it will never be used unless internet access is lost:
server 127.127.1.0
fudge 127.127.1.0 stratum 10
The next thing you have to do is add the drift file (which keeps track of yours clocks time deviation) and optionally the log file location:
driftfile /var/lib/ntp/ntp.drift
logfile /var/log/ntp.log
Now all that's left to do is define the rules that will allow clients to connect to your service (localhost is considered a client too) using the "restrict" command; you should already have a line like this in your file:
restrict default nomodify nopeer
This restricts everyone from modifying anything and prevents everyone from querying your time server.
You can also add other options:
restrict default kod nomodify notrap nopeer noquery
In the past, "notrust" option was used too, but its function has changed to mean that authentication with a key is required.
Following this line, you need to tell ntpd what to allow through into your server; the following line is enough if you're not configuring a ntp server:
restrict 127.0.0.1
Otherwise you can add more clients like in this example:
restrict 1.2.3.4 nomodify
restrict 192.168.0.0 mask 255.255.255.0 nomodify notrap
This tells ntpd that 1.2.3.4 and all IP addresses from the 192.168.0.0 range will be allowed to synchronize on this server, but they will not be allowed to modify anything. All other IP addresses in the world will still obey the default restrictions (the first line in the ntp.conf).
In the end, the complete file will look like this (almost all original comments have been stripped out for clarity):
# Name of the servers ntpd should sync with (these are for Italy as an example)
server 0.it.pool.ntp.org iburst
server 1.it.pool.ntp.org iburst
server 2.it.pool.ntp.org iburst
server 3.it.pool.ntp.org iburst
driftfile /var/lib/ntp/ntp.drift
logfile /var/log/ntp.log
restrict default nomodify nopeer
restrict 127.0.0.1
For a more in-depth explanation of the file, especially if you want to configure your machine as a ntp server, the Gentoo Wiki has a more detailed description.
Lastly, never forget man pages:
$ man ntp.conf
is likely to answer most of your remaining doubts.
Last edited by kynikos (2011-02-06 23:15:03)

Network Time Protocol

Hello,
In the Date and Time settings box there is a checkbox to have your server set it's time automatically and it is by default set to receive its time from time.apple.com.
I read that you need to open port 123 on your firewall to have a client recive updated time from a time server that is off site. Is this true for 10.4 servers? Or did apple set it up so you don't have to mess with your firewall?
Robert

Do you have NTP activated? Does it work? If it doesn't and you have the firewall activated, then open the required port. If it is working then don't worry about it.

Okay, so I try to download and every time it says "There was an error creating a temporary file that is needed to complete the installation". Anyone know how to fix this?

Okay, so I try to download and every time it says "There was an error creating a temporary file that is needed to complete the installation".
Anyone know how to fix this?
Please help. I can't get it to work. I've tried uninstalling and it says the same thing. Is there anyway anyone can help me?

HELP!!!! PLEASE!!!!!

Update on Android Attack - Fake Android security fix is really another trojan

Source from Android Central at http://www.androidcentral.com/fake-android-security-fix-really-another-trojan
By now most everyone knows that Google has addressed the Droid Dream malware mess in the Android Market, used the kill switch and issued a fix, and is in process of rolling out said fix to all affected users. But since Android users in general are an impatient lot, some folks have been on the lookout for the files to manually install the fix instead of waiting.
Don't do it.
The folks at F-Secure have found that at least one of the so-called security patch files floating around is really just another trojan. This is social engineering at it's finest -- use the promise of security to really make things worse. You can read the gory details of the BgServ.A trojan found in the fake patch at the source link, but the important thing is that you need to wait for Google to push you the fix if you downloaded one of the infected files. Like every other patch for the OS, whether it's an updated version of Android or something less glamorous like a security fix, only install files from Google's servers.
If you were affected by the malware, you should have received an email from big G, or will soon. We have the full text of that message after the break, be sure to check that the sender is really Google, and sit tight. They will get you all patched up. [F-Secure] Thanks Mike and Steven!
You are receiving this message to inform you of a critical issue affecting
your Android Market account.
Hello,
We recently discovered applications on Android Market that were designed to
harm devices. These malicious applications ("malware") have been removed from
Android Market, and the corresponding developer accounts have been closed.
According to our records, you have downloaded one or more of these
applications. This malware was designed to allow an unauthorized third-party
to access your device without your knowledge. As far as we can determine, the
only information obtained was device-specific (IMEI/IMSI, unique codes which
are used to identify mobile devices, and the version of Android running on
your device).
However, this malware could leave your device and personal information at
risk, so we are pushing an Android Market security update to your device to
remove this malware. You will soon be receiving a notification on your device
that says "Android Market Security Tool March 2011" has been installed. You
are not required to take any action from there, the update will automatically
run. You may also receive notification(s) on your device that an application
has been removed. Within 24 hours of receiving the update, you will receive a
second email confirming its success.
To ensure this update is run quickly, please make sure that your device is
turned on and has a strong network connection.
For more details, please visit the Android Market Help Center at
http://market.android.com/support/bin/answer.py?answer=1207928
Regards,
The Android Market Team
©2011 Google, Inc.
1600 Amphitheatre Parkway
Mountain View, CA 94043
Email preferences: You are receiving this email to notify you of a critical
issue affecting your Android Market account.

I agree this is overblown. By the time it hits the mainstream media, you'll notice it always takes on an alarmist tone. The issue has already been posted on this forum:
Here
http://community.vzw.com/t5/Android-Discussions/Android-Exploit-Credential-Theft/m-p/531658
And here:
http://community.vzw.com/t5/DROID-by-Motorola/Android-2-3-4-to-Plug-Massive-Security-Hole-for-your-Droid/m-p/532590

Security fix for Acrobat & Reader 8.1.2

I just installed the security fix for Acrobat & Reader 8.1.2 from this link:
http://www.adobe.com/support/security/bulletins/apsb08-15.html
After the update there is nothing to indicate that it is actually installed.
Going to Help About both Acrobat & Reader still shows Version 8.1.2 as before.
Is there a way to tell if the patch is installed?

My problem is same as Post #2
I have downloaded the security update and still see AcroRd32.exe as File version 8.1.0.137. I've done this on more than one machine running XP/SP2 with every Windows update applied except SP3. I have deleted Acrobat Reader via Control Panel and then for good measure deleted the sub-directory C:\Program Files\Adobe\Reader 8.0\Reader manually.
I downloaded again, ran updates until I got "There are no updates available at this time."
I ran the security update as stated in the posts above(Post #16). This was verified via
Computer Management > System Tools > Event Viewer
Product: Adobe Acrobat and Reader 8.1.2 Security Update 1 (KB403742) -- Installation operation completed successfully.
There are 2 files in C:\Program File\Adobe\Security Update
HotFix64.exe and RdrSU.mst
I just don't see where AcroRd32.exe version 8.1.2.215 or whatever is supposed to come from?
I'm running this as Administrator and on 3 different machines each with the same result.

How can I download itunes when I get the following errors...have installed and uninstalled a dozen times with various fixes...b noir for example and used Revo to clean up..ituneshelper did not install correctly error 7

How can I download itunes when I get the following errors ..ituneshelper did not install correctly error 7..I .have installed and uninstalled a dozen times with various fixes...b noir for example and used Revo to clean up.
This has been a problem for 6 weeks now, I retry when I have time and patience and use my other laptop which is also Windows 7 and runs with no problem.
Every attempt fails when all seems fine on the desktop and I try to log on to Itunes I get the errors.
Any help greatly appreciated.
billymac

Go to Control Panel > Add or Remove Programs (Win XP) or Programs and Features(Later)
Remove all of these items in the following order:
iTunes
Apple Software Update
Apple Mobile Device Support (If this won't uninstall press on)
Bonjour
Apple Application Support
Reboot, download iTunes, then reinstall, either using an account with administrative rights, or right-clicking the downloaded installer and selecting Run as Administrator.
See also HT1925: Removing and Reinstalling iTunes for Windows XP or HT1923: Removing and reinstalling iTunes for Windows Vista, Windows 7, or Windows 8
Should you get the error iTunes.exe - Entry Point Not Found after the above reinstall then copy QTMovieWin.dll from:
C:\Program Files (x86)\Common Files\Apple\Apple Application Support
and paste into:
C:\Program Files (x86)\iTunes
The above paths would be for a 64-bit machine. Hopefully the same fix with the " (x86)" omitted would work on 32-bit systems with the same error.
tt2

Apple TV 2 is asking for network time before I can purchase a movie? Restarted it and still requesting network time. Wifi is connected and works. Any ideas?

Apple TV 2 is asking for network time before I can purchase a movie? Even restarted it and still did the same thing.
How do you fix this? My wifi is operating 100% connected and I can access the Itunes Movies etc. How do I get it to work again?

Welcome to the Apple Community.
If you've had it working previously, try restarting the Apple TV by removing ALL the cables for a 30 seconds, or a restore if the problem persists.

How to configure Lion Server as network time server?

I have Lion Server at the top of a small network of Windows 2K, Windows XP and Windows 7 machines.
I need each of those computers to synch their time to that of the Mac Server because this network operates without internet access.
I have tried various protocols from those machines to synch on the server's IP but they all fail.
It has led me to belive I need to enable a service to allow time synch to the managed computers.
But I can't find information on this. I keep getting directed to how to synch the mac to a time server or time machine configuration tips.
Thanks in advance

In Server Admin, select your server, click on Settings, then go to the General tab. You will see an option to enable the Network Time Server.

I have a problem with iPhone is that I can replace it at points of sale in the U.S. because I bought from Saudi Arabia because the problem I think in the hard ware software worked more than 3 times did not fix

dears,
I have a problem with iPhone is that I can replace it at points of sale in the U.S. because I bought from Saudi Arabia because the problem I think in the hard ware I do resoftware more than 3 times did not fix.
Network also always missing.
I am living in KS Wichita. I hope you help me pleas.
Regards.

iPhone warranty is not international. You will have to return your
iPhone to Saudi Arabia for repair/replacement. Either take it back
yourself or send to friend/relative for them to take to Apple. Apple
will not accept international shipments for repair nor will Apple
ship repaired/replaced iPhones out of the country where the repair
was done.

Since installation of Mavericks, Time Capsule works very slowly, and the next backup of 236 GM will take nearly 30 days. What can I do to get backup more rapidly ?

Since the installation of Mavericks, Time capsule works very slowly and will need 30 days or more to produce a complete backup of about 200 GB. What can I do to get a complete backup more rapidly ?

What setup is the TC now.. ? what model and what firmware? Maverick seems to need 7.6.4 on the older TC.. and latest firmware on the AC version.
Is it in router or bridge mode? Do not use wireless only.. join a wireless network.
Is the computer connected by wireless or ethernet? I strongly recommend a test by ethernet.. with wireless in the computer turned off. If it is still very slow something is majorly wrong.. but I need the info I asked for to troubleshoot further.

Installation of Network Time Protocol Security Fix

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