From: Mark Vevers <mark@ifl.net>
To: Nik Trevallyn-Jones <nik@designer.com.au>, netfilter@lists.netfilter.org
Subject: Re: active firewall
Date: Tue, 23 Sep 2003 16:11:17 +0100 [thread overview]
Message-ID: <200309231611.20748.mark@ifl.net> (raw)
In-Reply-To: <03092320103102.01185@slinky.exmosys.com>
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On Tuesday 23 Sep 2003 2:26 pm, Nik Trevallyn-Jones wrote:
> 1 two new targets: ENLIST, DELIST
> These targets effectively cause one or more new rules to be automatically
> added/removed to/from the firewall in response to matching the associated
> rule. This allows the firewall to respond to certain events by
> adding/deleting rules within itself.
You can do most of what you are after with the 'RECENT' match and target ...
I.e. if 'X' seen from 'Y' within n seconds - block Y
You can create some quite interesting rulesets with recent and a few logic
chains .....
Mark
- --
Mark Vevers. mark@ifl.net / mvevers@rm.com
Principal Internet Engineer, Internet for Learning,
Research Machines Plc AS 5503
Tel: +44 1235 854314, Fax: +44 1235 854693
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GPG Key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xB08F3CA3
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next prev parent reply other threads:[~2003-09-23 15:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-23 13:26 active firewall Nik Trevallyn-Jones
2003-09-23 13:32 ` Chris Brenton
2003-09-23 14:07 ` Nik Trevallyn-Jones
2003-09-23 15:11 ` Mark Vevers [this message]
2003-09-23 21:19 ` Nik Trevallyn-Jones
2003-09-24 1:18 ` Jim Carter
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