Signature Detail
Short Name |
SMTP:AUDIT:REQ-INVALID-CMD-SEQ |
|---|---|
Severity |
Info |
Recommended |
No |
Category |
SMTP |
Release Date |
2003/08/27 |
Update Number |
1213 |
Supported Platforms |
di-5.3+, idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
SMTP: Invalid Command Sequence
This protocol anomaly triggers when it detects an invalid client-server-client sequence of SMTP commands, which normally is not issued by an SMTP client or server. Detecting this sequence can indicate an attacker is manually trying to exploit your SMTP server.
Extended Description
None
References