[Winpcap-users] TCP CHECKSUM OFFLOAD
sabbiolina at gmail.com
Tue Aug 16 20:46:20 GMT 2005
Sending appropriate OID to NIC can I switch to offload checksum ?
How to analyze those packets ?
I see an extra word after TCP packet captured and original tcp checksum changed,
How to verify checksum now ?
On 8/16/05, Guy Harris <guy at alum.mit.edu> wrote:
> Sabbiolina wrote:
> > What about implementations ?
> What do you want to know about the implementations?
> WinPcap is intended to capture, and transmit, low-level packets; it
> doesn't use the TCP checksum offloading. (It, like libpcap on UN*Xes,
> does, however, capture outgoing packets before the checksum is added to
> them, if you're capturing on an interface that does checksum offloading.)
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