ICMP codes

["Kurt Seifried" <bugtraq () seifried org>]

A reasonably complete list of icmp codes:

icmp    type            code    service
0       "echo"          0       "echo-reply"
3       "unreachable"   0       "net-unreachable"
3       "unreachable"   10
3       "unreachable"   11
3       "unreachable"   12
3       "unreachable"   1       "host-unreachable"
3       "unreachable"   2       "protocol-unreachable"
3       "unreachable"   3       "port-unreachable"
3       "unreachable"   4       "fragmentation-df-set"
3       "unreachable"   5       "source-route-failed"
3       "unreachable"   6
3       "unreachable"   7
3       "unreachable"   8
3       "unreachable"   9
4       "quench"        0       "source-quench"
5       "redirect"      0       "redirect-network"
5       "redirect"      1       "redirect-host"
5       "redirect"      2       "redirect-service-network"
5       "redirect"      3       "redirect-service-host"
6       "alternate"     0       "alternate-host-address"
8       "echo"          0       "echo-request"
9       "router"        0       "router-advertisement"
10      "router"        0       "router-selection"
11      "exceeded"      0       "ttl-exceeded"
11      "exceeded"      1       "fragment-reassembly-exceeded"
12      "error"         0       "pointer-error"
12      "error"         1       "missing-option"
12      "error"         2       "bad-length"
13      "timestamp"     0       "timestamp-request"
14      "timestamp"     0       "timestamp-reply"
15      "information"   0       "info-request"
16      "information"   0       "info-reply"
17      "mask"          0       "mask-request"
18      "mask"          0       "mask-reply"
30      "traceroute"    0       "traceroute-forwarded"
30      "traceroute"    1       "packet-discarded"
31      "datagram"      0       "datagram-conversion-error"
32      "mobile"        0       "mobile-host-redirect"
33      "ipv6-request"  0       "ipv6-where-are-you"
34      "ipv6-reply"    0       "ipv6-here-I-am"
35      "mobile"        0       "mobile-registration-request"
36      "mobile"        0       "mobile-registration-reply"
37      "domain-name"   0       "domain-name-request"
38      "domain-name"   0       "domain-name-reply"
40      "security"      0       "bad-spi"
40      "security"      1       "authentication-failed"
40      "security"      2       "decompression-failed"
40      "security"      3       "decryption-failed"
40      "security"      4       "need-authentication"
40      "security"      5       "need-authorization"

-Kurt Seifried, seifried () securityportal com
www.securityportal.com