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icmp.pro | ||||||
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| icmp | RFC 792 + RFC 1700 (Assigned Numbers) | |||||
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| field -type | |
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list | 0 | |
class of the message |
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| field -code | |
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sparelist | 0 | |
type of the message (depends on the type) |
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| field -checksum | |
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checksum | 0 | |
the checksum (0 means no checksum generated) |
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| field -data | |
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switch | |
specific data according to type | |
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| internal icmp_empty | RFC 792 | |||||
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| field -unused | |
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integer | 0 | |
unused DWORD |
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| internal icmp_ip | RFC 792 | |||||
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| field -ip | |
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mapper(ip) | |
IP header of packet generating the error | |
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| field -src_port | |
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integer | 0 | |
source port (TCP or UDP) |
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| field -dest_port | |
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integer | 0 | |
destination port (TCP or UDP) |
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| field -padding | |
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integer | 0 | |
padding to get IP header + 8 bytes (64 bits) of data |
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| internal icmp_unreachable | RFC 792 | |||||
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| field -unused | |
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integer | 0 | |
unused DWORD |
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| field -mtu | |
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integer | 0 | |
MTU to used (when fragmentation required, i.e. code = 0x0304) |
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| field -header | |
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mapper(icmp_ip) | |
embedded header IP (with options) + 8 bytes of data | |
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| internal icmp_parameter | RFC 792 | |||||
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| field -pointer | |
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integer | 0 | |
pointer to the problem |
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| field -unused | |
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integer | 0 | |
unused DWORD |
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| internal icmp_redirect | RFC 792 | |||||
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| field -gatewayaddress | |
|
address_ip | '127.0.0.1' | |
Address of the gateway to which traffic should be sent |
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| field -header | |
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mapper(icmp_ip) | |
embedded header IP (with options) + 8 bytes of data | |
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| internal icmp_echo | RFC 792 | |||||
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| field -identifier | |
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integer | 0 | |
an identifier to aid in matching echos and replies, may be zero |
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| field -sequence | |
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integer | 0 | |
a sequence number to aid in matching echos and replies, may be zero |
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| internal icmp_router | RFC 792 | |||||
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| field -nbaddresses | |
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integer | 0 | |
number of addresses |
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| field -entrysize | |
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integer | 2 | |
address entry size (always 2) |
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| field -lifetime | |
|
integer | 0 | |
lifetime |
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| fieldarray -address_pref | |
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record | |
tuple of address and preference level | |
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| internal icmp_timestamp | RFC 792 | |||||
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| field -identifier | |
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integer | 0 | |
an identifier to aid in matching timestamps and replies, may be zero |
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| field -sequence | |
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integer | 0 | |
a sequence number to aid in matching timestamps and replies, may be zero |
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| field -originate | |
|
integer | 0 | |
originate timestamp |
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| field -receive | |
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integer | 0 | |
receive timestamp |
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| field -trasmit | |
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integer | 0 | |
transmit timestamp |
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| internal icmp_addressmask | RFC 792 | |||||
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| field -identifier | |
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integer | 0 | |
an identifier to aid in matching requests and replies, may be zero |
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| field -sequence | |
|
integer | 0 | |
a sequence number to aid in matching requests and replies, may be zero |
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| field -mask | |
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integer | 0 | |
network address mask |
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| internal icmp_information | RFC 792 | |||||
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| field -identifier | |
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integer | 0 | |
an identifier to aid in matching requests and replies, may be zero |
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| field -sequence | |
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integer | 0 | |
a sequence number to aid in matching requests and replies, may be zero |
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Copyright © 2000 Laurent Riesterer.
Last modified on Aug 8, 2002.