Are you using ipchains? If so, these lines might help:
ipchains -A forward -p tcp -d 0/0 1024:5999 -j ACCEPT
ipchains -A forward -p udp -d 0/0 1024:5999 -j ACCEPT
ipchains -A forward -p tcp -d 0/0 6010: -j ACCEPT
ipchains -A forward -p udp -d 0/0 6010: -j ACCEPT
These two lines tell ipchains to open non-proviledged ports from 1024 up
to 4999 using tcp and udp. Since non-proviledged ports are usually
harmless to have open, this should be fine. The exception is ports
6000-6010, which are used by X, and a potential security hole.
If that isn't what you're looking for, let me know.
HtH
Thomas Cameron
********************************************************************
Red Hat Certified Engineer TurboLinux Certified Instructor
Certified NetWare Engineer Microsoft Certified Trainer
********************************************************************
On Wed, 2 Aug 2000, Srinivas Mulpuri wrote:
> Hi
>
> When I try to use PC to phone services like Dialpad or Deltathree from a WIN
> 98 PC connected to the internet thru a firewall and squid proxy running on
> Linux, I get connection/sign-on error. Here is what I found on the
> documentation from Delta three web site, but I am not sure where/how I can
> open these ports.
>
> ***************************************************************
> Firewall Information
>
> To use deltathree.com ClickIT with your firewall, you will need to open or
> ask your Network Administrator to open the following ports for UDP and TCP:
>
> To use deltathree.com ClickIT with your firewall, you will need to open the
> following ports for UDP and TCP:
>
> SOURCE DESTINATION
> Local High port (ex. 3325) -> TCP 12053
> Local High port (ex. 3325) <- TCP 12053
>
> Local High port (ex. 3328) -> TCP 12083
> Local High port (ex. 3328) <- TCP 12083
>
> UDP 12122, 24150 - 24179 <- -> UDP 12122, 24150 - 24179
>
> UDP 12120 <- -> UDP 12080
> ***************************************************************
>
> Thanks
>
> Srini
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