Signature Detail
Short Name |
CHARGEN:EXPLOIT:UNEXPECTED-REQ |
|---|---|
Severity |
High |
Recommended |
No |
Category |
CHARGEN |
Release Date |
2003/08/27 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
CHARGEN: Unexpected Client Request
This protocol anomaly is client-to-server data on a CHARGEN flow. CHARGEN allows only server-to-client communication. This can indicate data tunneling.
Extended Description
CHARGEN traffic in the client to server direction could represent data being tunneled over the CHARGEN port.
References