Signature Detail
Short Name |
WHOIS:TUNNEL |
|---|---|
Severity |
Low |
Recommended |
No |
Category |
WHOIS |
Release Date |
2004/01/29 |
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+ |
WHOIS: Data Tunneling
This protocol anomaly is non-WHOIS traffic on the WHOIS port. This could indicate an Instant Messaging (IM) client or someone using this open port to send non-WHOIS traffic.
Extended Description
A remote attacker could use the WHOIS port to bypass firewall restrictions, or attempt to tunnel over TCP 43.
References