FINGER: Unexpected Line
This protocol anomaly triggers when it detects more than one line going to a FINGER server. This can indicate a tunneling attempt over FINGER.
Extended Description
A multiple line Finger query constitutes a protocol anomaly. This could indicate a network configuration error, or that an attacker is attempting to tunnel into the server.
References
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3