TCP: S2C Ambiguity Simultaneous SYN
This protocol anomaly triggers when it detects SYN packets sent from both ends of a connection at the same time. Because this is not supported by all TCP implementations (although allowed by RFC793), it is recommended to drop these packets.
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