jesper
7a1cf4a126
Only call in_pcbnotify if the src port number != 0, as we
...
treat 0 as a wildcard in src/sys/in_pbc.c:in_pcbnotify()
It's sufficient to check for src|local port, as we'll have no
sessions with src|local port == 0
Without this a attacker sending ICMP messages, where the attached
IP header (+ 8 bytes) has the address and port numbers == 0, would
have the ICMP message applied to all sessions.
PR: kern/25195
Submitted by: originally by jesper, reimplimented by jlemon's advice
Reviewed by: jlemon
Approved by: jlemon
2001-02-20 23:25:04 +00:00
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