Re: squid as relay, or plug-gw (fwd)

From: Joe Abley <>
Date: Mon, 1 Jun 1998 02:38:09 +1200 (NZST)

Hi all,

OK - I should know better to make assertions as to what Linux can and
can't do in a public forum. About thirty people have mailed me with
details of the payload translation available in Linux's IP masquerading
(one such attached below, FYcollectiveI).

I apologise for doubting Linux. You can stop mailing me now :)

Joe "FreeBSD" Abley

Joe Abley <>      Tel +64 9 912-4065, Fax +64 9 912-5008
Network Architect, CLEAR Net            
---------- Forwarded message ----------
Date: Sun, 31 May 1998 14:54:07 +0200
From: Miquel van Smoorenburg <>
Subject: Re: squid as relay, or plug-gw
Newsgroups: lists.squid
In article <> you write:
>"IP masquerading" is a NAT facility built into the linux kernel. It does
>no payload translation.
One minor nitpick - it does do payload translation. It knows about
the ftp, irc, real audio, cuseeme, vdolive, and quake protocols. For
efficiency these are not all compiled in, but are compiled as modules
which you have to load seperately.
# ls /lib/modules/2.0.34/ipv4
ip_alias.o         ip_masq_irc.o      ip_masq_vdolive.o
ip_masq_cuseeme.o  ip_masq_quake.o    ipip.o
ip_masq_ftp.o      ip_masq_raudio.o   rarp.o
 Miquel van Smoorenburg | Our vision is to speed up time,  |   eventually eliminating it.
Received on Sun May 31 1998 - 07:47:44 MDT

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