Gentoo Archives: gentoo-security

From: Frank Gruellich <frank@××××××××××××.org>
To: gentoo-security@l.g.o
Subject: Re: [gentoo-security] firewall suggestions?
Date: Fri, 09 Jan 2004 08:11:29
Message-Id: 20040109080517.GW4413@home.manuelm.org
In Reply to: RE: [gentoo-security] firewall suggestions? by Bob Crain
1 * Bob Crain <robert.crain@×××××××.net> 8. Jan 04
2 > I've got DSL, and I know the IP of my gateway. When I want to appear
3 > invisible, I respond to unwanted packets with a 'REJECT - ICMP host
4 > unreachable' that has a spoofed source address of my gateway? That way,
5 > it looks like the gateway responded and I don't exist!
6 >
7 > Whadduya think?
8
9 Nice idea, but the packet has to traverse the gateway, too... a gateway
10 that forwards a paket with itself as origin? This would be a very
11 obvious spoof.
12
13 Regards, Frank.
14 --
15 Sigmentation fault
16
17 --
18 gentoo-security@g.o mailing list

Replies

Subject Author
RE: [gentoo-security] firewall suggestions? Bob Crain <robert.crain@×××××××.net>