Below provides the nessecary steps required to create an a packet capture on an ASA/PIX, and the relevant download method.

Note :

• You will requre pscp (putty pscp) installed onto your PC. Download pscp here.
• This is only available in the later versions of PIX & ASA.

First of all start the capture.

capture capturefile type raw-data interface [interface name]

Next enable scp and copy the capture into Flash.

ssh scopy enable
copy /pcap capture:capturefile flash:capturefile.cap

On your PC run the following syntax via 'Start | Run | CMD' to download the capture to your PC.

pscp -scp [user]@][PIX IP]:capturefile.cap capturefile.cap