I have found the solution http://www.computing.net/linux/wwwboard/forum/25299.html lists the following block for MSN Instant messanger. iptables -A FORWARD -p tcp --dport 1863 -j DROP iptables -A FORWARD -d 64.4.13.0/18 -j DROP I personally changed the DROP to REJECT, and for those of you with the oposite problem, just add ACCEPT instead. Best regards, Kenneth Andresen On Wed, 2004-05-19 at 16:49, Daniel Chemko wrote: > > Sorry, this is not an answer to your question, but I just wanted to > > comment on how we seem to get roughly equal numbers of requests on > > this list from people saying "how can I enable X through my > > firewall", and "how can I block X with my firewall", for identical > > values of X. > > True, half are usually home users that are just using the SNAT > facilities because of their ISP's IP policies. The other half are > corporate, educational, and advanced users that actaully want to > implement best practices in protecting their systems. > > I'm very glad that both groups can find value in netfilter. The > Netfilter ML has been a very excellent group to work with both in > questions and answers. > > Give yourselves a pat on the back. :-) > > > PS: Does anyone else recommend good ML's/IRC for people to find useful > information in? I find the following Mailing lists useful for my (admin) > work: > > Bugtraq: Notifications of security problems and some high-level security > conversations (10-20/day) > http://www.securityfocus.com > > Fw-Wiz: General Firewall and Security site, high-level conversations > (1-10/day) > http://honor.icsalabs.com/mailman/listinfo/firewall-wizards > > LARTC: Linux networking mostly routing and Traffic Control questions > (8-15/day) > http://mailman.ds9a.nl/mailman/listinfo/lartc
