Re: enabling UDP ports for netmeeting

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Title: Re: enabling UDP ports for netmeeting
That is not going to help you.

Sorry for such a negative start, but you need to know what you are up against.
NetMeeting is Microsoft. That alone should tell you that you will need magic.
Netmeeting is based on H.263 (gosh I hope I remembered the number correctly) and this protocol opens a series of dynamic connections to and from the talking clients.
The socket numbers are negotiated in the data stream IN ENCRYPTED mode. Assumable to make your life more miserable.

At least you will need a H.263 ip masq module. I have seen such one around on the masq list, but if it ever reached production quality I don't know.

The only other - but really well working - solution I know of is "phone-patch". It is a H.263 proxy server you can load onto your linux machine. It has a web interface and does the job.

If you want to code a H.263 module I should warn you that the rfc's are extensive.

Sorry - but good luck.
Karsten Jeppesen

----------
From: "Pat Grogan" <grogan@canrsg.telstra.com.au>
To: "Linux-net" <linux-net@vger.rutgers.edu>
Subject: enabling UDP ports for netmeeting
Date: Mon, Aug 14, 2000, 04:13


I am trying to enable UDP ports so that netmeeting will allow packets to pass throught my firewalling. I have downloaded and applied ipchains 1.3.8-1. I got the following commands that another server uses to allow netwmeeting to run fine:
 
echo "Starting IPCHAINS for UDP"
/sbin/ipchains -P forward DENY
/sbin/ipchains -A forward -j MASQ -s 10.0.0.0/24 -d 0.0.0.0/0
 
However when I run the first ipchains command I get the following message:
 
[root@bella1 /root]# /sbin/ipchains -P forward DENY
ipchains: Protocol not available
 
I no networking guru and would appreciate some assistance. Thanks in advance.

Pat Grogan
 
email: pat@rallypro.com.au <mailto:pat@rallypro.com.au>
web: www.rallypro.com.au <http://www.rallypro.com.au>


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