ICMP Codes
TYPE CODE MEANING
0 0 ECHO REPLY (ping reply)
3 DESTINATION UNREACHABLE
0 network unreachable
1 host unreachable
2 protocol unreachable
3 port unreachable
4 source route failed
5 source route failed
6 destination network unknown
7 destination host unknown
8 source host isolated
9 destination network administratively prohibited
10 destination host administratively prohibited
11 network unreachable for TOS
12 host unreachable for TOS
13 prohibited by filtering
14 host precedence violation
15 precedence cutoff
4 0 SOURCE QUENCH
5 REDIRECT
0 network
1 host
2 network & TOS
3 host & TOS
8 0 ECHO REQUEST (ping request)
9 0 ROUTER ADVERTISEMENT
10 0 ROUTER SOLICITATION
11 TIME EXCEEDED
0 TTL=0 during transmit
1 TTL=0 during reassembly
12 PARAMETER PROBLEM
13 0 TIMESTAMP REQUEST
14 0 TIMESTAMP REPLY
15 0 INFO REQUEST
16 0 INFO REPLY
17 0 ADDRESS MASK REQUEST
18 0 ADDRESS MASK REPLY
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Hermann
Strassner
Sent: 26 Ocak 2001 Cuma 12:25
To: Fw-1 Mailinglist
Subject: [FW1] ICMP
How can i setup a rule to allow ping, but to disable all other icmp options?
Hermann Straßner
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