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Document that IP proto scan has special cases for SCTP and IGMP as well

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as TCP, UDP, and ICMP.
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david
2009-09-14 02:49:09 +00:00
parent 1681e7621b
commit fa6435d6ec
1 changed files with 2 additions and 2 deletions
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docs/refguide.xml
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@@ -1579,8 +1579,8 @@ improvements!</para>
of iterating through the port number field of a UDP packet, it sends of iterating through the port number field of a UDP packet, it sends
IP packet headers and iterates through the eight-bit IP protocol field. IP packet headers and iterates through the eight-bit IP protocol field.
The headers are usually empty, containing no data and not even the The headers are usually empty, containing no data and not even the
proper header for the claimed protocol. The three exceptions are TCP, proper header for the claimed protocol. The exceptions are TCP,
UDP, and ICMP. A proper protocol header for those is included since UDP, ICMP, SCTP, and IGMP. A proper protocol header for those is included since
some systems won't send them otherwise and because Nmap already has some systems won't send them otherwise and because Nmap already has
functions to create them. Instead of watching for ICMP port functions to create them. Instead of watching for ICMP port
unreachable messages, protocol scan is on the lookout for ICMP unreachable messages, protocol scan is on the lookout for ICMP