SIP: Invalid Via Protocol Identifier

This signature detects SIP headers with an incorrect Via header, which is missing "SIP/2.0/UDP" or "SIP/2.0/TCP." Detecting this condition can be an indication of an attack.

Short Name
VOIP:SIP:AUDIT:INV-VIA-PROT-ID
Severity
Minor
Recommended
False
Recommended Action
None
Category
VOIP
Keywords
Identifier Invalid Protocol Via
Release Date
07/28/2006
Supported Platforms

mx-19.3

vmx-19.3

vsrx-19.2

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vmx-19.4

mx-19.4

srxevo-25.4

vsrx-26.2

srx-26.2

srx-branch-26.2

vsrx3bsd-26.2

mx-12.3

srx-12.3

srx-branch-12.3

vsrx-12.3

Sigpack Version
3375
False Positive
Unknown

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