Signature Detail
Short Name |
TCP:AUDIT:SYN-RTNS-BADISS |
|---|---|
Severity |
Info |
Recommended |
No |
Category |
TCP |
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+ |
TCP: C2S Ambiguity Mismatching Seq Num in SYN Retrans
This protocol anomaly triggers when it detects a TCP SYN retransmission where the SEQUENCE number did not match the one in the original SYN. IDP cannot tell when the flow starts, as it is unknown whether the server has received the first SYN.
Extended Description
None
References