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Thread: Port Blocking

  1. #1
    Rangefire Wireless
    Guest

    Port Blocking

    Hi all...
    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.

  2. #2
    Jeff Liebermann
    Guest

    Re: Port Blocking

    On Mon, 24 Mar 2008 23:58:49 GMT, Rangefire Wireless
    <rangefire@bcfirst.com> wrote:

    >Hi all...
    >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)


    <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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