Snow Leo is blocking ports!
Hello dear folks!
I've got some nasty persistent problem with my mac. Neither of my torrent clients can establish connection; whenever I open preferences, it does say "port XXX : blocked". I've tried everything, enabling/disabling the FW, adding all the apps to "allow connection/ access", the leopard basically recognizes them automatically, but it does not allow for any torrent connection to take place.
It's a MacBook 4,1, snowleo, up to date; tried reinstalling LEO, tried connecting my mac in THREE completely different network environments, within which, two other, windows based laptops had no problems what so ever.
The networks I tried were all wired, no restrictions no nothing; everything was working on the automatic settings. I've tried connection without a router:
ISP -> NIC1 - PC sharing through NIC2 (crossover) -> macbook. Everything works great, all the apps, the internet - everything but the torrents, which on the win machine have no problems.
I'm wondering, what that might be due to? Could it be something with the routing table, some misunderstanding between the wired ethernet adapter and the wi-fi one? I really need to have this resolved, as I don't want to downgrade to Tiger, which had absolutely no problems
Any piece of advice is genuinely appreciated!
Check your router. Presumably, it's possible that our Windows clients are using UPnP to open ports on the router and direct them to the host, whereas your Mac Torrent client might not be doing the same thing. You may need to configure the client to do so, or you may need to open the ports manually on the router and direct them to your Mac. That's the most likely explanation. The Mac doesn't just block the ports without the firewall being configured to.
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My iMac is out of warranty... so I suppose I could crack it open, install a new bigger HDD, and mount my old one in an external case? But again... there is a risk in opening it up. I'm handy and savvy enough to do it I think. I need a "spudger" tool I think they are called (from iFixIt).
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Edited * -
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xxHi,
Is good to know that you were able to find the workaround. Actually I was on the lab testing this due that I noticed that you had 2671 bypassed requests. Definitely bypassing authenticated traffic is going to resolve the issue, but I also wanted to recommend you to try another solution.
Add these commands to the CE:
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and remove the bypass auth-traffic command.
This would allow the CE to cache as much as possible of the transaction. I tested and it works just fine and the CE is seeing cache hits.
As a side note, I noticed that the messenger goes on port 80 so you don't have to worry about the port 1863.
Thanks & Regards,
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The company that processes credit card transactions is insisting we block port 192. How is this done? I have hear similar issues from other companies.
I see from your other posts that you do have an Airport Extreme base station.
As I indicated, this is not something I know much about either. I'm not even sure that the AEBS is the problem, though it seems to be according to the post I listed. I guess you could temporarily connect your Mac directly to your broadband modem, to see if the claimed vulnerability is still there.
Assuming the AEBS is the problem, one thing you could try is to disable outside SNMP access - I found another post suggesting that [here|http://forums.macrumors.com/showthread.php?t=602839]. I have an older AEBS, which uses Airport Admin Utility for configuration. It's help section includes
Protecting your AirPort network from denial-of-service attacks
Networks managed by Simple Network Management Protocol (SNMP) may be vulnerable to denial-of-service attacks. (SNMP is turned on by default in AirPort Admin Utility.) Similarly, if you allow your base station to be configured remotely over the wide area network (WAN) port, unauthorized users may be able to change network settings.
To help protect your network and base station:
Open AirPort Admin Utility, located in Applications/Utilities.
Select your base station and click Configure. Enter the base station password if necessary.
Click AirPort, and click Base Station Options. Make sure the Enable SNMP Access and the Enable Remote Configuration checkboxes are not selected.
If the Enable SNMP Access and Enable Remote Configuration checkboxes are deselected, you must configure the base station using only the local area network (LAN) or the AirPort wireless network.
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Configuring socket policy for flex apps(with blocked port 843)?
We have built several flex-based ecommerce apps for a fortune 500 customer of ours, that for various reasons, we need to use sockets to a different domain and requires a socket policy file, but were having trouble configuring our flex apps for deployment in thier enviornment where they are blocking virtually everything except port 80 . The current documentation in in regards to socket policy files and crossdomain files in a non-standard configuration not using port 843 is not providing any useful help to us.
Here is the scenario:
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Error: Request for resource at xmlsocket://www.b.com:80 by requestor from http://www.a.com.us/bin-debug/DownloadManagerFlex.swf is denied due to lack of policy file permissions.
Since we cannot use port 843 for the socket policy file server, we setup the socket policy server on a different ip in the same domain: spf.b.com:80 (using the sample perl code Adobe provides), and per the docs(cited below), use Security.loadPolicyFile("xmlsocket://spf.b.com:80") before we invoke "socket.connect", to supposedly tell the flash player to check there for the socket policy file. The problem, as you can see from the error log, is that the loadPolicyFile("xmlsocket://spf.b.com:80") is ignored.
No matter what we do or how we set things up, we cannot get the flash player to recognize the loadPolicyFile(), it always wants to go to the port were making the socket connection on. It is unclear how to properly configure the flex app, socket policy file and crossdomain file for the above scenario. The docs allude to being able to serve the socket policy file from a different port 80 in the same domain as the socket connection were trying to make, but were having no luck with that.
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As an aside, the documentation for all this is a bit scattered, unclear and contrdictory:
One document says:(http://www.adobe.com/devnet/flashplayer/articles/fplayer9_security_07.html)
"This warning usually means one of two things: first, that you need to set up a
socket policy file server on port 843, which is the first location that Flash
Player checks by default; or second, that you need to provide more explicit
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response from a socket policy file server, rather than timing out after 3
seconds."
Another document says(http://www.adobe.com/devnet/flashplayer/articles/socket_policy_files.html):
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public void sessionCreated (IoSession session)
throws Exception
session.write(_policy); -- > policy string
session.write("\u0000"); --> null byte
//session.close(true); ---> No need to close the session because it is closed by the Flex client after it receives the null byte.
Now my Flex application can read and accept the policy from port 843 and I'm not getting more security violations.
Thanks for your reply,
Alberto -
Hi,
Whenever there is a Value or Import exception,port is not blocked but now customer wants to block the port in case of Value Exception as there can be scenario where a record is updated in the source system but due to some issue it failed under value exception. A different user updates the same record in source system and it pass through MDM correctly. Now some one will check the value exception and process the record manually which will overwrite the changes .
Kindly suggest if there is some method to block port in case of value and import exception.
Thanks and Regards,
Neethu JoyHi Neethu
As rightly explained blocking the port for Value and Import exceptions is not possible.
Now coming to the initial requirement- *there can be scenario where a record is updated in the source system but due to some issue it failed under value exception. A different user updates the same record in source system and it pass through MDM correctly. Now some one will check the value exception and process the record manually which will overwrite the changes .
Why should this happen- For the lookup values how are you refreshing MDM from the source system? If this is not automated the above makes a scenario for automatically refreshing the lookup values from the source system to MDM.
Also if the User1 is wrongly editing a record in source system MDM by design is not allowing to import that record. User2 edits(corrects) the record in source system again which is reflected in MDM correctly. Here if the client needs to see the changes made at record level (by user1/all incorrect updates) then the change tracking or logs should be seen/developed in the source system itself- since MDM has been designed to filter correct records flow only.
Hope this helps-Ravi -
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To buy a hard drive try Newegg.com http://www.newegg.com/Store/SubCategory.aspx?SubCategory=380&name=Laptop-Hard-Dr ives or OWC http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/
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Hi. I'm living in a boarding school where they block the online "gaming" part of PSN. I can connect to a network and sign into PSN just fine. However, when I click "test internet connection" when it is determining my NAT type, it gives me error NW-31374-8 (NAT type failed). I am connecting to internet via a router which I set up by sharing the internet connection from my Mac (wifi into mac, Ethernet out of mac into router, router wifi out into PS4). I can do any online function other than game, E.g: watch netflix, watch youtube, add friends. Therefore, if I set up SSH tunelling would I be able to bypass these blocked ports or not? Cheers
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Background:
I have two VOIP device, one is from VOIP.com (HT-286) and the other is my Blackberry 8220 wifi-enabled phone.
Until December, I had Cox Internet for the last two years -- ZERO problems with the above devices. I made and received phone calls just fine.
FIOS internet installed early december. Both devices worked fine on install. I made and recevieved VOIP phone calls with both the VOIP.com device (Home phone) and my wifi Blackberry.
I've taken my VOIP box over to the neighbor's to test it -- works fine. I plug into their router and have no problems. My wifi Blackberry works just fine when I go to to the bookstore or coffee shop (Free wifi).
Internet (as defined by using PC web browser) and TV work fine. We have VOIP service with VOIP.com.
Problem:
About two weeks ago, I noticed that I would occasionally get phone calls on the blackberry and there would be no one there. I didn't think anything of it until my wife finally asked me why she couldn't make outgoing calls on the house phone.
I tested it, and this is what I found:
BOTH PHONES:
Phone rings. "Dead" call. However, the caller can hear ME but I cannot hear them
I make outgoing call on VOIP/house phone: I get dial tone, and dial as normal, but once I've dialed, SILENCE. No ring, nothing. The called phone will ring but I will not hear it, nor hear the other party answering. I can call my wife's cel phone (Tmobile) or work phone and it rings. She can hear me, but I cannot hear her.
I make outgoing calls on wifi Blackberry: Enter number and press send as normal, but SILENCE. Same symptoms as above.
As I said, I've taken both devices to other networks and they work fine. NOTHING was changed on the router in the time frame EXCEPT the name of the SSID, which I changed the very first day --both devices were working for several weeks after.
I have powered off and restarted the router a dozen times and I just did a "hard" reset to return it to the factory settings :: my voip service still is not working properly.
WHAT I HAVE DONE:
I called Verizon FIOS Internet support. They say since I can watch TV and access the web, that nothing is wrong.
I called VOIP.com and they say they see the device coming into their network, but they cannot see if Verizon is blocking ports 5060-5070.
Blackberry support flat-out says that Verizon is blocking ports.
Can someone help?
Solved!
Go to Solution.plautus wrote:
Background:
I have two VOIP device, one is from VOIP.com (HT-286) and the other is my Blackberry 8220 wifi-enabled phone.
Until December, I had Cox Internet for the last two years -- ZERO problems with the above devices. I made and received phone calls just fine.
FIOS internet installed early december. Both devices worked fine on install. I made and recevieved VOIP phone calls with both the VOIP.com device (Home phone) and my wifi Blackberry.
I've taken my VOIP box over to the neighbor's to test it -- works fine. I plug into their router and have no problems. My wifi Blackberry works just fine when I go to to the bookstore or coffee shop (Free wifi).
Internet (as defined by using PC web browser) and TV work fine. We have VOIP service with VOIP.com.
Problem:
About two weeks ago, I noticed that I would occasionally get phone calls on the blackberry and there would be no one there. I didn't think anything of it until my wife finally asked me why she couldn't make outgoing calls on the house phone.
I tested it, and this is what I found:
BOTH PHONES:
Phone rings. "Dead" call. However, the caller can hear ME but I cannot hear them
I make outgoing call on VOIP/house phone: I get dial tone, and dial as normal, but once I've dialed, SILENCE. No ring, nothing. The called phone will ring but I will not hear it, nor hear the other party answering. I can call my wife's cel phone (Tmobile) or work phone and it rings. She can hear me, but I cannot hear her.
I make outgoing calls on wifi Blackberry: Enter number and press send as normal, but SILENCE. Same symptoms as above.
As I said, I've taken both devices to other networks and they work fine. NOTHING was changed on the router in the time frame EXCEPT the name of the SSID, which I changed the very first day --both devices were working for several weeks after.
I have powered off and restarted the router a dozen times and I just did a "hard" reset to return it to the factory settings :: my voip service still is not working properly.
WHAT I HAVE DONE:
I called Verizon FIOS Internet support. They say since I can watch TV and access the web, that nothing is wrong.
I called VOIP.com and they say they see the device coming into their network, but they cannot see if Verizon is blocking ports 5060-5070.
Blackberry support flat-out says that Verizon is blocking ports.
Can someone help?
VZ isn't blocking those ports. they only have restrictions on port 25, and in some areas port 80. all other ports are open.
I would reach back out to voip.com and see if you can escelate it with them. you can also go to portforward.com and see if they have any walkthrough guides for your particular device. if you have a friend with fios you can try switching routers to see if that is the culprit, but there is nothing in your description that suggests to me that it would be a router issue. Also look into QOS if your VOIP people can give you any information on that, it may also be an avenue you would want to explore if you have VOIP transpiring over there. -
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Thanks
heres a snapshot of my router
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