The easier way is to fall in a paranoic firewall, all rejected unless you want "x" port, so you don't have to bother for new software p2p, messaging services, etc. Regards, On Tue, 2003-06-03 at 00:12, Sergio A Lima Jr wrote: > Hi friends, > > I am having problem for blocking ms-messenger. > > My firewall this based in packets filter and the policy > input/output/forward is ACCEPT. > > Already the following politics in firewall is implemented in the top > rules: > > ipchains -A input -p tcp -d any/0 --destination-port 1863 -j DENY > ipchains -A input -p tcp -d any/0 --destination-port 1864 -j DENY > ipchains -A forward -p tcp -d any/0 --destination-port 1863 -j DENY > ipchains -A forward -p tcp -d any/0 --destination-port 1864 -j DENY > ipchains -A output -p tcp -d any/0 --destination-port 1863 -j DENY > ipchains -A output -p tcp -d any/0 --destination-port 1864 -j DENY > > ipchains -A input -p udp -d any/0 --destination-port 1863 -j DENY > ipchains -A input -p udp -d any/0 --destination-port 1864 -j DENY > ipchains -A forward -p udp -d any/0 --destination-port 1863 -j DENY > ipchains -A forward -p udp -d any/0 --destination-port 1864 -j DENY > ipchains -A output -p udp -d any/0 --destination-port 1863 -j DENY > ipchains -A output -p udp -d any/0 --destination-port 1864 -j DENY > > However, these politics are not having validity, therefore my users are > obtaining to use this program. > > Somebody as some tip of as to block this software? > > Thanks a lot! > > Best regards. > > P.S.: Plese, it forgives for the horrible english. :-) -- ------------------------------------------------------------------- | Andreu SÃnchez Costa - Dep. Gestià de Sistemes - sistemes@xxxxxx | | Tel: +34973234106 - http://www.iws.es/ - Internet Web Serveis | | Fingerprint = 3ADA 69EF 4E84 DEC8 D219 6863 83F0 513E 06AE 46D1 | | GnuPG key: 06AE46D1 ( pgp.mit.edu - www.keyserver.net ) | ------------------------------------------------------------------- ------------------------------------------------------------------------ To unsubscribe email security-discuss-request@xxxxxxxxxxxxxxxxx with "unsubscribe" in the subject of the message.
