ICMP: Timestamp Request/Reply
This protocol anomaly is an ICMP Timestamp Request or Response. Because these ICMP types are rarely seen on the network, it could indicate the use of hping or similar utility.
References
URL: http://www.hping.org
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