On Fri, Sep 23, 2005 at 09:37:05AM -0700, Jon Passki wrote: > While looking into an issue with scanning, I noticed bad udp > checksums (as reported by tcpdump) for SNMP traffic.
Do you run tcpdump on the machine that generates the packets? In this case, the kernel may be offloading checksum computation to the network interface and tcpdump sees the packets before the checksum is done. Check it by running tcpdump on the router or the target... Martin Mačok ICT Security Consultant _______________________________________________ Nessus mailing list [email protected] http://mail.nessus.org/mailman/listinfo/nessus
