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Re: [SLUG] Iptables question

To: slug@nospam.slug.org.au
Subject: Re: [SLUG] Iptables question
From: Kevin Waterson <kevin@nospam.oceania.net>
Date: Sun, 02 Dec 2001 11:04:46 +1100
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Howard Lowndes wrote:

> In iptables, what is the purpose of the OUTPUT chain in the nat table?
> Does anyone have an example of where you might use it?

you can Mangle Nat or Filter with the OUTPUT chain.
if you wish to stop outward bound telnet connections you could
iptables -A OUTPUT -p tcp --destination-port telnet -j DROP

This can also be handy if you have an internal network full of MS
machines that like to report back "home" with your MAC IP address
and info about your P3/P4 processor and any other info it sends.

enjoy
Kevin

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References:
- [SLUG] Iptables question
  - From: Howard Lowndes <lannet@nospam.lannet.com.au>

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