On Tue, Nov 22, 2011 at 12:40 -0500, you wrote: > It might be best to use something like Scapy to modify the packet > contents. netdude may work as well: netdude.sourceforge.net/ Robin -- Robin Sommer * Phone +1 (510) 722-6541 * robin at icir.org ICSI/LBNL * Fax +1 (510) 666-2956 * www.icir.org