; ICMP types & codes ICMP_ECHOREPLY equ 0 ; echo reply message ICMP_UNREACH equ 3 ICMP_UNREACH_NET equ 0 ; bad net ICMP_UNREACH_HOST equ 1 ; bad host ICMP_UNREACH_PROTOCOL equ 2 ; bad protocol ICMP_UNREACH_PORT equ 3 ; bad port ICMP_UNREACH_NEEDFRAG equ 4 ; IP_DF caused drop ICMP_UNREACH_SRCFAIL equ 5 ; src route failed ICMP_UNREACH_NET_UNKNOWN equ 6 ; unknown net ICMP_UNREACH_HOST_UNKNOWN equ 7 ; unknown host ICMP_UNREACH_ISOLATED equ 8 ; src host isolated ICMP_UNREACH_NET_PROHIB equ 9 ; prohibited access ICMP_UNREACH_HOST_PROHIB equ 10 ; ditto ICMP_UNREACH_TOSNET equ 11 ; bad tos for net ICMP_UNREACH_TOSHOST equ 12 ; bad tos for host ICMP_UNREACH_FILTER_PROHIB equ 13 ; admin prohib ICMP_UNREACH_HOST_PRECEDENCE equ 14 ; host prec vio. ICMP_UNREACH_PRECEDENCE_CUTOFF equ 15 ; prec cutoff ICMP_SOURCEQUENCH equ 4 ; Packet lost, slow down ICMP_REDIRECT equ 5 ; shorter route, codes: ICMP_REDIRECT_NET equ 0 ; for network ICMP_REDIRECT_HOST equ 1 ; for host ICMP_REDIRECT_TOSNET equ 2 ; for tos and net ICMP_REDIRECT_TOSHOST equ 3 ; for tos and host ICMP_ALTHOSTADDR equ 6 ; alternate host address ICMP_ECHO equ 8 ; echo service ICMP_ROUTERADVERT equ 9 ; router advertisement ICMP_ROUTERADVERT_NORMAL equ 0 ; normal advertisement ICMP_ROUTERADVERT_NOROUTE_COMMON equ 16 ; selective routing ICMP_ROUTERSOLICIT equ 10 ; router solicitation ICMP_TIMXCEED equ 11 ; time exceeded, code: ICMP_TIMXCEED_INTRANS equ 0 ; ttl==0 in transit ICMP_TIMXCEED_REASS equ 1 ; ttl==0 in reass ICMP_PARAMPROB equ 12 ; ip header bad ICMP_PARAMPROB_ERRATPTR equ 0 ; error at param ptr ICMP_PARAMPROB_OPTABSENT equ 1 ; req. opt. absent ICMP_PARAMPROB_LENGTH equ 2 ; bad length ICMP_TSTAMP equ 13 ; timestamp request ICMP_TSTAMPREPLY equ 14 ; timestamp reply ICMP_IREQ equ 15 ; information request ICMP_IREQREPLY equ 16 ; information reply ICMP_MASKREQ equ 17 ; address mask request ICMP_MASKREPLY equ 18 ; address mask reply ICMP_TRACEROUTE equ 30 ; traceroute ICMP_DATACONVERR equ 31 ; data conversion error ICMP_MOBILE_REDIRECT equ 32 ; mobile host redirect ICMP_IPV6_WHEREAREYOU equ 33 ; IPv6 where-are-you ICMP_IPV6_IAMHERE equ 34 ; IPv6 i-am-here ICMP_MOBILE_REGREQUEST equ 35 ; mobile registration req ICMP_MOBILE_REGREPLY equ 36 ; mobile registreation reply ICMP_SKIP equ 39 ; SKIP ICMP_PHOTURIS equ 40 ; Photuris ICMP_PHOTURIS_UNKNOWN_INDEX equ 1 ; unknown sec index ICMP_PHOTURIS_AUTH_FAILED equ 2 ; auth failed ICMP_PHOTURIS_DECRYPT_FAILED equ 3 ; decrypt failed virtual at 0 ICMP_Packet: .Type db ? .Code db ? .Checksum dw ? .Identifier dw ? .SequenceNumber dw ? .Data: end virtual