Port Blocking
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Posted by Rangefire Wireless on March 24, 2008, 7:58 pm
Please log in for more thread options I have been using my Tranzeo 900 MHZ wireless for internet and Voip service for a while now (six months). It's been working great. I was able to move it from my wireless system in my shop to my Telus ADSL system in my house without issue until a few days ago. Is is possible for Telus (my local telco) to block ports 5060 and 5061? (I tested the voip modem on three other systems and it works fine) If so, is there a sure fired way I can tell? Ie... doing a port probe from www.grc.com ? Is that a better way? I want to nail this telco if they are doing this. Nick. | ||||||||||||||||
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Posted by Jeff Liebermann on March 25, 2008, 1:06 pm
Please log in for more thread options <http://www.dslreports.com/faq/10283>
>If so, is there a sure fired way I can tell?
Sure fire? Well, that means avoiding 3rd party tools. Setup your unspecified VoIP router on your Telus DSL. Record your WAN IP address. Try to telnet to your IP address on 5060 or 5061 from a laptop on your on your local LAN using: telnet 192.168.1.1 5060 and note the messages. If open, it should let you connect, but nothing will happen. Now, go to the neighbors DSL connection and do the same thing. It should work the same way. If it refuses to connect, you'll get some kind of error messages. >Ie... doing a port probe
>from www.grc.com ? Is that a better way? I want to nail this telco >if they are doing this. "Nailing" religious prophets and telcos have been notoriously ineffective. They have lawyers and religion. You don't. -- Jeff Liebermann jeffl@cruzio.com 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 | ||||||||||||||||
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>I have been using my Tranzeo 900 MHZ wireless for internet and Voip
>service for a while now (six months). It's been working great.
>
>I was able to move it from my wireless system in my shop to my Telus
>ADSL system in my house without issue until a few days ago.
>
>Is is possible for Telus (my local telco) to block ports 5060 and
>5061? (I tested the voip modem on three other systems and it works
>fine)