NAME icmp - Linux IPv4 ICMP kernel module. DESCRIPTION This kernel protocol module implements the Internet ... kernel and these pass the ICMP errors to the application layers. The …protocols with no user interface (like ICMP). When a packet is received, it is passed ... passing the IPPROTO_RAW family flag. ICMP_FILTER Enable a special filter for raw socketsORIGIN_LOCAL 1 #define SO_EE_ORIGIN_ICMP 2 #define SO_EE_ORIGIN_ICMP6 ... origin is set to SO_EE_ORIGIN_ICMP for errors received as an ICMP packetLinux 2.0 and 2.2. If enabled, ICMP errors received for a UDP socket willDisabled by default, enabled when an ICMP black hole detected 2 Always enabled, use initialRTPROT_UNSPEC unknown RTPROT_REDIRECT by an ICMP redirect (currently unused) RTPROT_KERNELlayer 4 (e.g. TCP, UDP or ICMP) checksum for the packet associated to skb . Computation