Gentoo Archives: gentoo-security

From: Mark Hurst <mark@××××××.net>
To: gentoo-security@l.g.o
Subject: Re: [gentoo-security] firewall suggestions?
Date: Fri, 09 Jan 2004 06:38:44
In Reply to: Re: [gentoo-security] firewall suggestions? by Oliver Schad
> Probably you think ICMP is dangerous too. There are a lot of brain dead > admins who blocks ICMP packets and they wonder why connections to some > websites are broken or if they administrate the packet filter before a > webserver they wonder why some user grouches they wouldn't get a > connection to the web server.
Ever heard of Smurf or Loki? If you allow all ICMP in you are indeed a brain-dead admin, in my opinion. Sure, host unreachable, DF should be allowed in, but why should an external host be able to send timestamp or subnet requests? -- gentoo-security@g.o mailing list


Subject Author
Re: [gentoo-security] firewall suggestions? Oliver Schad <o.schad@×××.de>
Re: [gentoo-security] firewall suggestions? Alexander Schreiber <als@××××××××××××.de>