Date: Sat, 27 Jan 2001 15:54:18 -0500 (EST) From: Evan S <kaworu@sektor7.ath.cx> To: freebsd-stable@freebsd.org Subject: Strange network behavior. Message-ID: <Pine.GSO.4.10.10101271525590.4483-100000@wintermute.sekt7>
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Hello, I'm not sure if this belongs in freebsd-stable, -security, or -misc, so I'll take my chances and post it here, in -stable. I was fooling around with nmap one day, reading the man page, and stumbled upon the -D, decoy option. So, to test it out, I nmapped one of my boxen with the decoys of www.daemonnews.org, www.slashdot.org, and acs.bu.edu. It worked, and it was kind of neat. However, after it completed the nmap, I am now unable to connect to www.slashdot.org, or www.daemonnews.org. So I began investigating a bit. Heres some of the weird things that are happening. The internal interface on my router has two ip addresses, 169.69.7.1, and 169.69.6.1. I have all of my computers using the gateway 169.69.6.1, however, when I traceroute, it sends the packets to its alias 169.69.7.1. Still works though. This is what happens when I traceroute www.slashdot.org, and the same for acs.bu.edu, or daily.daemonnews.org. Thankfully, I can connect to acs2.bu.edu and so on. kaworu@teqnix kern> traceroute www.slashdot.org traceroute to slashdot.org (64.28.67.48), 30 hops max, 40 byte packets 1 169.69.7.1 (169.69.7.1) 1.440 ms 1.439 ms 1.387 ms 2 149.112.50.65 (149.112.50.65) 4.668 ms 3.730 ms 3.560 ms 3 * * Here is the output from netstat -nr on my router. [kaworu@interorbos]$netstat -nr Routing tables Internet: Destination Gateway Flags Refs Use Mtu Interface default 149.112.50.65 UGS 3 2067979 1500 ep0 127/8 127.0.0.1 UGRS 0 0 32972 lo0 127.0.0.1 127.0.0.1 UH 3 62 32972 lo0 149.112.50.65 0:50:da:fb:c5:75 UHL 1 96 1500 ep0 149.112.50.98 127.0.0.1 UGHS 0 0 32972 lo0 169.69.6/24 link#2 UC 0 0 1500 ep1 169.69.6.2 0:a0:cc:73:d1:a7 UHL 0 836 1500 ep1 169.69.6.3 0:a0:cc:63:e1:8f UHL 2 1694450 1500 ep1 169.69.6.5 8:0:20:c:f5:86 UHL 0 123 1500 ep1 169.69.7/24 link#2 UC 0 0 1500 ep1 169.69.7.2 0:40:5:4e:24:91 UHL 0 1133 1500 ep1 209.6.248/23 link#1 UC 0 0 1500 ep0 209.6.248.1 0:30:19:3b:a5:54 UHL 0 0 1500 ep0 209.6.248.127 127.0.0.1 UGHS 0 0 32972 lo0 224/4 127.0.0.1 URS 0 0 32972 lo0 Uname -ap output for the computer I nmapped from: FreeBSD teqnix.sekt7.org 4.2-STABLE FreeBSD 4.2-STABLE #20: Sat Jan 6 10:09:59 GMT 2001 kaworu@teqnix.sekt7.org:/usr/src/sys/compile/KAWORU i386 Thanks in advance, Evan Sarmiento (kaworu@sektor7.ath.cx) http://sekt7.org/es To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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