Gentoo Archives: gentoo-security

From: mickey@×××××××××.us
To: gentoo-security@l.g.o
Subject: Re: [gentoo-security] firewall suggestions?
Date: Thu, 08 Jan 2004 16:55:35
Message-Id: 1073579689.3ffd86a970861@www.dreamwolf.us
1 Quoting "Thomas T. Veldhouse" <veldy@×××××.net>:
2 > > In "closing" ports, one has the option - nay one is recommended - to
3 > > use the "DROP" target which has the desired effect of which you speak.
4 >
5 > It is probably a very good idea to actually REJECT ident (113/tcp) lookups
6 > rather than drop them. It is very common to have reverse ident lookups do
7 > to your activity, and a DROP will cause a delay that is not needed. This
8 > particular item is normal and not a security concern in and of itself. As a
9 > matter of fact, it is so common, it is good to not even log it.
10
11 Good advice. I will heed it.
12
13 So, accept 113/tcp and ICMP packets. Anything else? Oh, a judicious use of
14 "--limit" may also be a good idea.
15
16 dreamwolf
17
18 --
19 gentoo-security@g.o mailing list