linux poison RSS
linux poison Email

How to block Messenger (Yahoo, Trillian, Skype , MSN , ICQ, Gizmo, AOL) using squid

AOL Instant Messenger (AIM)
Note: AOL are known to change their Server IPs. The list below cannot be confirmed.
acl aol dst
acl aol dst
http_access deny aol
Gizmo Project:
Gizmo Project include software to connect to a wide range of messaging protocols and VoIP services.
# Gizmo Project
acl gizmo dstdomain
# Gizmo VoIP
acl gizmo dstdomain
# Gizmo Chat
acl gizmo dstdomain
http_access deny gizmo
ICQ ("I Seek You")
acl icq dstdomain
http_access deny icq
MSN Messenger and Windows Live Messenger
# MSN Messenger
acl msn urlpath_regex -i gateway.dll
acl msnd dstdomain
acl msn1 req_mime_type application/x-msn-messenger

http_access deny msnd
http_access deny msn
http_access deny msn1
# Skype
acl numeric_IPs dstdom_regex ^(([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)|(\[([0-9af]+)?:([0-9af:]+)?:([0-9af]+)?\])):443
acl Skype_UA browser ^skype^

http_access deny numeric_IPS
http_access deny Skype_UA
Note: Recent releases of Skype have been evading the above restriction by not sending their User-Agent headers and using domain names. The following can be used to catch those installs, but be aware it will likely also catch other agents.
acl validUserAgent browser \S+
http_access deny !validUserAgent
# Trillian
acl trillian dst
http_access deny trillian
Yahoo! Messenger
# Yahoo! Messenger
acl ym dstdomain
acl ym dstdomain
acl ym dstdomain
acl ym dstdomain

acl ymregex url_regex yupdater.yim ymsgr myspaceim

# Other protocols Yahoo!Messenger uses ??
acl ym dstdomain

http_access deny ym
http_access deny ymregex


Post a Comment

Related Posts with Thumbnails