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Pull out the stuff that ignored timing for ICMP destination unreachables if the

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source address didn't match the target address. Fyodor correctly pointed out
that this is wrong for UDP scans, when we need to slow down for a firewall
sending unreachables to know which probes don't elicit one. I'm going to try
something a little different in nmap-perf.
This commit is contained in:
david 2009-01-04 01:20:05 +00:00
parent 856b5cbe2d
commit b3b06477c3
1 changed files with 0 additions and 10 deletions
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10
scan_engine.cc
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@ -3971,13 +3971,6 @@ static bool get_pcap_result(UltraScanInfo *USI, struct timeval *stime) {
}
current_reason = icmp->icmp_code+ER_ICMPCODE_MOD;
if (newstate == PORT_UNKNOWN) break;
if (hss->target->v4hostip()->s_addr != ip->ip_src.s_addr) {
/* If it's not directly from the remote host we don't alter our
timing for it. */
adjust_timing = false;
if (o.debugging > 2)
log_write(LOG_PLAIN, "ICMP response from %s is not from target (%s); not adjusting timing.\n", inet_ntoa(ip->ip_src), hss->target->targetipstr());
}
goodone = true;
}
}
@ -4389,9 +4382,6 @@ static int get_ping_pcap_result(UltraScanInfo *USI, struct timeval *stime) {
} else {
goodone = true;
newstate = HOST_DOWN;
adjust_timing = false;
if (o.debugging > 2)
log_write(LOG_PLAIN, "ICMP response from %s is not from target (%s); not adjusting timing.\n", inet_ntoa(ip->ip_src), hss->target->targetipstr());
}
if (o.debugging) {
if (ping->code == 3)