Blocked UDP Ports

Dustin Breese dustin.breese at gmail.com
Thu Sep 18 14:02:38 UTC 2008


Use netcat to test udp connections on a particular port to see if they
are really blocked.  Then, as Nils suggest, try svxlink.

On one machine, type:
$ nc -u -l -p 9999

On the other, try to connect using netcat to send udp packets:
$ nc -u server.ip 9999
{now type something and see if it appears on the listener side}

Then, flipflop and try again.  This should rule out firewall and local
lan issues.

Regards,
Dustin

On Thu, Sep 18, 2008 at 5:09 AM, Nils Kassube <kassube at gmx.net> wrote:
> Dean C. Cole wrote:
>> *I still have the blocked UDP port problem.  I'm trying to run Echolink
>> on my Ubuntu 8.04.1 box under Wine 1.0.  I have the firewalls disabled
>> on both my Linux box and my WindowsXP box.  Echolink runs under Windows
>> but complains the UDP ports are blocked when trying to run under Linux.
>
> What did you change after your first post that you would expect any
> change? And is echolink supposed to run under wine at all? Did you try to
> install svxlink instead which is a native Linux replacement for echolink?
>
>
> Nils
>
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