<html><body bgcolor="#FFFFFF"><div>With winpcap, you can capture wireless traffic, you just have to specify the correct interface to capture on. However, you cannot modify traffic with winpcap, as it only provides read-only packets.</div><div><br></div><div>I have used "netfilter" before to drop packets and I believe you can also modify packets with it. It's open source and is written in c++.</div><div><br></div><div>What header are you trying to modify and at what level (ip, tcp, etc)?<br><br>Sent from my iPhone</div><div><br>On Dec 7, 2011, at 10:21 PM, suad alasady <<a href="mailto:suad_alasady@yahoo.com">suad_alasady@yahoo.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td valign="top" style="font: inherit;">dear <br> i have ad hoc network connceting two computers , i want to
capture the ieee 802.11 wireless frame from one of computers by using
this interface and modify one of header frame's field and the send it to
the other computers<br>1- can i do this?<br>2- what the tools i must use?<br>2- is winpcap works with wireless ?i.e by using the winpcap can i capture wireless frame?<br><br> please help me <br>with my great thanks<br> </td></tr></tbody></table></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Winpcap-users mailing list</span><br><span><a href="mailto:Winpcap-users@winpcap.org">Winpcap-users@winpcap.org</a></span><br><span><a href="https://www.winpcap.org/mailman/listinfo/winpcap-users">https://www.winpcap.org/mailman/listinfo/winpcap-users</a></span><br></div></blockquote></body></html>