Nmap Development mailing list archives
Bad IP-checksums
From: Gisle Vanem <gvanem () broadpark no>
Date: Sat, 26 Jul 2008 02:06:55 +0200
The following command nmap -d2 -sV -p1-100 -O 10.0.0.7 generates approx. IP 150 packets of which 8 contains badchecksums (sent from 10.0.0.6). Check the attached pcap-trace and look at frame 290, 312, 314, 316, 344, 364, 366 and 368.
Verified with "tshark -Vr wattcp.dbg | grep '[incorrect,'". All this is on WIn-XP with nmap v. 4.6. Anybody else who can verify this? --gv
Attachment:
WATTCP.DBG
Description:
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Current thread:
- Bad IP-checksums Gisle Vanem (Jul 25)
- Re: Bad IP-checksums Brandon Enright (Jul 25)
- Re: Bad IP-checksums David Fifield (Jul 25)
- Re: Bad IP-checksums Brandon Enright (Jul 25)
- Re: Bad IP-checksums Gisle Vanem (Jul 26)
- Re: Bad IP-checksums Gisle Vanem (Jul 26)
- Re: Bad IP-checksums Gisle Vanem (Aug 15)
- Re: Bad IP-checksums Fyodor (Aug 15)
- Re: Bad IP-checksums Gisle Vanem (Aug 15)
- Re: Bad IP-checksums Michael Pattrick (Aug 15)
- Re: Bad IP-checksums Gisle Vanem (Aug 16)
- Re: Bad IP-checksums David Fifield (Jul 25)
- Re: Bad IP-checksums Brandon Enright (Jul 25)