Gentoo Archives: gentoo-security

From: Oliver Schad <o.schad@×××.de>
To: gentoo-security@l.g.o
Subject: Re: [gentoo-security] firewall suggestions?
Date: Thu, 08 Jan 2004 16:49:17
Message-Id: 200401081732.25399.o.schad@web.de
In Reply to: Re: [gentoo-security] firewall suggestions? by Ryan Voots
1 Am Donnerstag, 8. Januar 2004 17:06 schrieb mir Ryan Voots:
2 > On Thu, 8 Jan 2004 16:17:49 +0100
3 >
4 > "Oliver Schad" <o.schad@×××.de> Add to Address Book wrote:
5 > > Probably you think ICMP is dangerous too. There are a lot of brain
6 > > dead admins who blocks ICMP packets and they wonder why connections
7 > > to some websites are broken or if they administrate the packet filter
8 > > before a webserver they wonder why some user grouches they wouldn't
9 > > get a connection to the web server.
10 >
11 > thats one reason i don't block it, some services and things use it to
12 > look for hosts that are up, what i wish i could do is some type of
13 > limit where it would only send replies to them at a certain rate, just
14 > so that a ping -f on 12 machines to my machine wouldn't cause a huge
15 > bandwidth surge from my machine.
16
17 A limit is a good way to protect from DDOS.
18
19 mfg
20 Oli
21
22 --
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