Gentoo Archives: gentoo-security

From: Frank Gruellich <frank@××××××××××××.org>
To: gentoo-security@l.g.o
Subject: Re: [gentoo-security] firewall suggestions?
Date: Thu, 08 Jan 2004 22:52:39
Message-Id: 20040108224816.GS4413@home.manuelm.org
In Reply to: Re: [gentoo-security] firewall suggestions? by Scott Taylor
1 * Scott Taylor <scott@××××××××××××××××.net> 8. Jan 04
2 > Replying in a specific manner which may have been at one point the
3 > proper and polite way for an IP stack to behave, often turns into a
4 > method for abuse.
5
6 Then make a new RFC. It will be discussed. (Avoid the time around 1.
7 April).
8
9 > Spoof a bunch of syn packets to a host you know replies with a rst,
10 > and it sends all those extra packets to a victim machine who never
11 > sent the syn packet in the first place. So that machine sends back
12 > "port unreachables" and further clogs up their network.
13
14 Huh, RST isn't answered... thank you for making your savvy obvious.
15
16 > Add to that all the silly microsoft products that either blatantly
17 > ignore or just never bothered to read the appropriate RFC... For my
18 > network, I opt to spew out as few replies to unwanted traffic as
19 > possible. I've already got too many worms out there wasting my bandwidth
20 > trying to infect me with the sql slammer or whatever the worm of the day
21 > is.
22
23 There are periods you may ignore selected packets. It's your admins job
24 to react to such things.
25
26 > I'd rather not waste any more of my bandwidth telling them that they
27 > can't connect here. They probably aren't even checking for an icmp
28 > unreachable message back from me anyway.
29
30 Wow, so crackers, spammers and MS's programers (all the same bunch) are
31 dictating the rules? This net is not made for wormes or stupid
32 implemtations, but for communication. If you don't want to communicate,
33 plug off.
34
35 Thank you,
36 regards, Frank.
37 --
38 Sigmentation fault
39
40 --
41 gentoo-security@g.o mailing list