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Security Intelligence Center

Short Name	VOIP:MGCP:INV-CHAR-LOW
Severity	Medium
Recommended	No
Category	VOIP
Release Date	2007/04/30
Update Number	1213
Supported Platforms	idp-4.0.110090709+, isg-3.1.134269+

MGCP: Wrong Character (Below ASCII Printable Range)

This anomaly triggers if a Session Initiation Protocol (SIP) header contains low-ASCII characters. It can indicate a denial-of-service attack.

References

URL: http://ietfreport.isoc.org/idref/rfc2822

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