Short Name |
APP:TUN:GRE-TUNNEL |
---|---|
Severity |
Info |
Recommended |
No |
Category |
APP |
Keywords |
GRE Tunneling |
Release Date |
2007/04/24 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
This signature detects Generic Routing Encapsulation (GRE) tunnels. Such tunnels bypass normal firewall rules. The IDP still inspects the contents of GRE tunnels, but tunneling can be a violation of your site's network use policy.