Netmeeting with ICS: What ports to be forwarded?

Netmeeting with ICS: What ports to be forwarded?

Post by Christoph Bouvie » Sun, 10 Feb 2002 20:09:01



Hi!
    My PC is behind a routing pc, so it can't be reached directly from
outside. So I'd like the router (ICS) to forward the necessary ports in both
directions. There is only one single PC in the LAN using Netmeeting. But
unfortunately I've got no idea which ports I have to forward...
Is there any solution available?
THX, Christoph
PS.: Maybe there is a "port range" to be forwarded...?
 
 
 

Netmeeting with ICS: What ports to be forwarded?

Post by Brian Sullivan -MV » Sun, 10 Feb 2002 23:40:09



Quote:> Hi!
>     My PC is behind a routing pc, so it can't be reached directly from
> outside. So I'd like the router (ICS) to forward the necessary ports in
both
> directions. There is only one single PC in the LAN using Netmeeting. But
> unfortunately I've got no idea which ports I have to forward...
> Is there any solution available?
> THX, Christoph
> PS.: Maybe there is a "port range" to be forwarded...?

http://www.microsoft.com/windows/NetMeeting/Corp/reskit/Chapter4/defa...
has information on port usage, however forwarding ports will not work for
audio/video calls because of the unique structure of the H.323 protocol.

 
 
 

1. Forwarding port 25 to port 26

Hi!

Hoping you can help with the Lyris challenge I mentioned to you
before.

I've installed Lyris on my box but one piece doesn't seem to
work--Making sendmail co-exist with lyris.

There were two options, method 1 was to use OOAddr=IPAddress to turn
sendmail on for ONE IP address instead of all IP addresses. It doesn't
work for me because I have several virtual domains on the box and need
all of the IP addresses to look at port 25 of sendmail, except for
one. Sendmail doesn't have the option (as far as I know) to turn off
sendmail on one IP address only.

The second option was to set up lyris on port 26. This was the option
I chose. This was done using the following entries in the sendmail.cf
file:

1) Edit /etc/mail/sendmail.cf and search for a line which begins with
"Mprog", then add this line below it:

   Mlyris, P=[TCP], A=TCP localhost 26 $h

2) Search for a line which reads "S0" and add this line below the
"S0":


This seemed to set up ok but I get the following errors when I send

"551 We do not relay" and the second "550 lyris.lists.send2u.com user
unknown".  The messages come back as bounced email.

Any ideas?

Thanks for your help,

Bob

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