Packet relay server in c

From	ArifulHossain tuhin <etothepowerpi@gmail.com>
Newsgroups	comp.lang.c
Subject	Packet relay server in c
Date	2012-01-25 06:18 -0800
Organization	http://groups.google.com
Message-ID	<32689416.242.1327501112214.JavaMail.geo-discussion-forums@prcu6> (permalink)

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I need to write a packet relay server which will have the following functionality:

1.It will listen on multiple ports(udp/tcp). Upon receiving packet it will manipulate the packets without knowing anything about the contents of the packets.

2.When manipulation ends, it will forward the packets to a specified ip/port interface.

So it will work as a relay. Any suggestion about the software? If any open source implementation is available which does a similar job, will be very helpful.

Thanks in advance.

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Thread

Packet relay server in c ArifulHossain tuhin <etothepowerpi@gmail.com> - 2012-01-25 06:18 -0800
  Re: Packet relay server in c Kleuske <kleuske@nowhere.net> - 2012-01-25 15:35 +0000
    Re: Packet relay server in c Noob <root@127.0.0.1> - 2012-01-26 14:08 +0100
      Re: Packet relay server in c Kleuske <kleuske@nowhere.net> - 2012-01-26 13:53 +0000
  Re: Packet relay server in c Markus Wichmann <nullplan@gmx.net> - 2012-01-26 13:57 +0100
    Re: Packet relay server in c Chad <cdalten@gmail.com> - 2012-01-26 07:43 -0800

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