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Removing the IPIP header sending with -sO from r4403. This turned out to be less useful than I originally found it to be.

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This commit is contained in:
kris
2007-01-29 18:02:28 +00:00
parent 3695115c65
commit 76c8efc086
2 changed files with 3 additions and 21 deletions
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7
CHANGELOG
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@@ -31,10 +31,9 @@ o Fixed a bug which caused nmap --iflist to crash (and might have
o Applied a bunch of code cleanup patches from Kris Katterjohn.
o Changed the IP protocol scan so that it sends actual IGMP and IPIP
(IP-in-IP encapsulation) headers when scanning protocol numbers 2
and 4, respectively. This makes it much more likely that the host
will respond, proving that they're "open". [Kris]
o Changed the IP protocol scan so that it sends actual IGMP headers when
scanning protocol number 2. This makes it much more likely that the host
will respond, proving that it's "open". [Kris]
o Some scan types were fixed when used against localhost. The UDP Scan
doesn't find it's own port, the TCP Scan won't print a message (with -d)

17
scan_engine.cc
View File

@@ -2203,23 +2203,6 @@ static UltraProbe *sendIPScanProbe(UltraScanInfo *USI, HostScanStats *hss,
&packetlen);
break;
case IPPROTO_IPIP:
/* This is our inner IP header, followed by data */
packet = build_ip_raw(&o.decoys[decoy], hss->target->v4hostip(),
IPPROTO_TCP, /* fake it */
o.ttl, ipid, IP_TOS_DEFAULT, false,
o.ipoptions, o.ipoptionslen,
o.extra_payload, o.extra_payload_length,
&packetlen);
/* This is our outer IP header, followed by the inner header above */
packet = build_ip_raw(&o.decoys[decoy], hss->target->v4hostip(),
pspec->proto,
o.ttl, ipid, IP_TOS_DEFAULT, false,
o.ipoptions, o.ipoptionslen,
(char *) packet, packetlen,
&packetlen);
break;
default:
packet = build_ip_raw(&o.decoys[decoy], hss->target->v4hostip(),
pspec->proto,