From: David Newall <davidn@xxxxxxxxxxxxxxx> Date: Fri, 01 Feb 2008 11:17:14 +1030 > Patrick McHardy wrote: > > Jozsef Kadlecsik wrote: > >> Strange, but there are a lot of incorrect checksum packets. How does > >> it come on the loopback interface? > > > > Loopback doesn't perform full checksumming, so thats expected. > > The question remains: How do loopback packets get incorrect checksum? > Where and how can they get corrupted? There are zeros there, which is an incorrect checksum most of the time. Tcpdump is just not knowledgable about this and tries to validate the checksum as if it were computed correctly. - To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
