david 39f42ef6d9 Increase the base source port number on each run of ultra_scan. ...

Per-probe tryno and pingseq are encoded as offset from a the base source
port number. Previously this was fixed for all calls of ultra_scan,
which means that unrelated probes in different calls would use the same
source port number if they had the same tryno and pingseq. This could
cause erroneous results if a reply to a probe from a previous call was
delated and was received in the current call and interpreted as a legit
response.

This has no effect when o.magic_port_set is true (i.e., when -g or
--source-port is used).

http://seclists.org/nmap-dev/2012/q1/62
http://seclists.org/nmap-dev/2012/q3/589

2012-08-28 13:07:54 +00:00

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