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
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3