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#
###############################################################################
#
# 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
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