ICMP attacks Called a management protocol for good reason, ICMP isn’t used for client/server or peer-to-peer communications.

ICMP belongs to the third layer, the network layer, of the OSI reference model that divides the communication function into a hierarchical structure, and is a protocol used for sending control ...

action accept description "Allow IPv6 icmp" protocol ipv6-icmp } } ipv6-name WANv6_LOCAL { default-action drop description "WAN inbound traffic to the router" enable-default-log rule 10 { action ...

The Pingback malware then uses the ICMP protocol for its main communication, hidden from the user as ports cannot be listed by netstat.

The ping command works by using the Internet Control Message Protocol (ICMP) - in particular by sending ECHO_REQUEST packets, and by utilizing its Time To Live (TTL), latency, and packet loss ...