Signature Detail
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Short Name |
CHAT:MSN:LOGIN-ATTEMPT |
|---|---|
Severity |
Info |
Recommended |
No |
Category |
CHAT |
Keywords |
Windows Live Chat Login Attempt |
Release Date |
2003/04/22 |
Update Number |
1213 |
Supported Platforms |
di-5.3+, idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
MSN: Windows Live Chat Login Attempt
This signature detects attempts to login to Windows Live Chat (formerly MSN Chat) servers through native MSN mode, HTTP proxy mode, or SOCKS proxy mode. These are proxy/tunneling methods to avoid firewalls and IPS filters. Depending on your corporate policies, Instant Messaging can be a violation of your end-user's network usage policy. Setting the action "Close Client and Server" blocks users from chatting on MSN over known HTTP/SOCKS proxy ports. This rule should only be applied to a WAN interface.
Extended Description
None
References