tcpdump & bad tcp checksum

SethMeister G. (shaggy@jade.cs.binghamton.edu)
Wed, 23 Jul 1997 17:47:10 -0700 (PDT)


Hi guys,

Just wanted to know why, if the kernel says that there was a packet with
an invalid tcp checksum, that when I do a tcpdump and grab all the tcp
segments, tcpdump does not say that an invalid checksum was found (and
yes, I am using -v)...

-S