#
###############################################################################
#
# File: icmp_types
#
# Purpose: This file contains all valid icmp types and corresponding codes as
#          defined in RFC 792. If a packet is logged by iptables that does
#          not have a valid type and/or code, then an alert will be generated.
#
###############################################################################
#

0   Echo Reply
    0

1   Unassigned

2   Unassigned

3   Destination Unreachable
    0   Net Unreachable
    1   Host Unreachable
    2   Protocol Unreachable
    3   Port Unreachable
    4   Fragmentation Needed and Don't Fragment was Set
    5   Source Route Failed
    6   Destination Network Unknown
    7   Destination Host Unknown
    8   Source Host Isolated
    9   Communication with Destination Network is Administratively Prohibited
    10  Communication with Destination Host is Administratively Prohibited
    11  Destination Network Unreachable for Type of Service
    12  Destination Host Unreachable for Type of Service
    13  Communication Administratively Prohibited
    14  Host Precedence Violation
    15  Precedence cutoff in effect

4 Source Quench
    0

5 Redirect
    0   Redirect Datagram for the Network (or subnet)
    1   Redirect Datagram for the Host
    2   Redirect Datagram for the Type of Service and Network
    3   Redirect Datagram for the Type of Service and Host

6   Alternate Host Address
    0   Alternate Address for Host

7   Unassigned

8   Echo
    0

9   Router Advertisement
    0   Normal router advertisement
    16  Does not route common traffic


10  Router Selection
    0

11  Time Exceeded
    0   Time to Live exceeded in Transit
    1   Fragment Reassembly Time Exceeded

12  Parameter Problem
    0   Pointer indicates the error
    1   Missing a Required Option
    2   Bad Length


13  Timestamp
    0

14  Timestamp Reply
    0

15  Information Request
    0

16  Information Reply
    0

17  Address Mask Request
    0

18  Address Mask Reply
    0

19  Reserved (for Security)

20  Reserved (for Robustness Experiment)
21  Reserved (for Robustness Experiment)
22  Reserved (for Robustness Experiment)
23  Reserved (for Robustness Experiment)
24  Reserved (for Robustness Experiment)
25  Reserved (for Robustness Experiment)
26  Reserved (for Robustness Experiment)
27  Reserved (for Robustness Experiment)
28  Reserved (for Robustness Experiment)
29  Reserved (for Robustness Experiment)

30  Traceroute

31  Datagram Conversion Error

32  Mobile Host Redirect

33  IPv6 Where-Are-You

34  IPv6 I-Am-Here

35  Mobile Registration Request

36  Mobile Registration Reply

39  SKIP

40  Photuris
    0   Bad SPI
    1   Authentication Failed
    2   Decompression Failed
    3   Decryption Failed
    4   Need Authentication
    5   Need Authorization
