On 2005-06-07 11:27, Christian Kuhtz <[EMAIL PROTECTED]> wrote: > I'm using the DIVERT socket API for a proof of concept lab setup here, > and I could use some help.. > > Two boxes are involved, packets traverse both in series. The first one, > lets call her A, is taking the UDP packet off the wire, inserts a few > bytes after the UDP header, and sticks it back on the wire. The second > machine, lets call her B, grabs the packet as it comes in, strips the > bytes we inserted, and sticks it back on the wire. > > Or so goes the theory. > > What I'm running into is the following.. When I sendto() the modified > frame on A, the size is correctly reported as what the frame was > modified to be. When the frame arrives on B, I only recvfrom() as many > bytes as the virgin packet used to be when it entered A prior to the > modification.
Maybe this is a silly question, as it's been a long while since I last worked with DUMMYNET, but are you also updating the IP header ip_len? _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
