bloquear apenas gateway.dll nao resolve.
bloqueie tb as portas 1863 5000:5050 5061 6891:6900 6901 7001 TCp e UDP.
quero ver entrar.
mas terá que bloquear os webmessengers tb, segue uma pequena lista:
airtalkr.com
communicationtube.net
e-messenger.net
easymessenger.net
ebuddy.com
express.instan-t.com
iloveim.com
imhaha.com/webmsg
imunitive.com
instan-t.com
jwchat.org
koolim.com
lagunainfoco.com.br/msnonline
mabber.com
mangeloo.com
meebo.
messenger.sapo.pt/
mingle.clix.pt
msn2go.com
webmessenger.msn
messengerfx.
onlinemessenger.nl
radiusim.com
snimmer.com
wablet.com
Neon