PROTOCOLS: POP3 Traffic on Non-standard Port
This signature detects POP3 traffic on an Non-standard POP3 port. This could be an attempt to circumvent your company firewalls or to use a backdoor.
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