Wireshark is an invaluable resource for any network admin. This example will create ten 100MB files and delete every tenth capture screen -S wireshark -d -m tshark -i eth0 -w mycapture -b filesize:100000 -b files:10 Solution The capture file will be located in your current directory and named mycapture*. Run your Wireshark capture in the background using Screen. Install Wireshark and Screen yum install wireshark screen -y Performing a rolling capture will allow you to manage how much disk space Wireshark uses, by writing to a series of capture files of a designated size and then deleting every Xth capture file. If you leave a Wireshark capture running, it can quickly fill up a huge portion of your disk space. txt file.How to Perform a Rolling Capture in Wireshark - Linux Also wanted to ask if there was some kind of 'stop execution' command that would stop the current capturing but still save the results in a.

The problem probably comes from the way I 'chain' the conditions. etc, but can't figure a way to get this work.

So the final command should be this : tshark -i 2 -a duration:60 -vx -f 'ip' & 'ip.src = 192.168.0.1' & 'ip.dst = 111.222.111.222' & 'port = 80 or port = 443' & ' = 'GET'' > test.txtīut I keep getting an error message from Windows saying that ''ip.src = 192.168.0.1' isn't a recognized internal or external command.

' = 'GET'' (it should be a GET request)Īnd then I want the results to be saved in a file 'test.txt'. 'port = 80 or port = 443' (port should be http or https) a duration:60 (the 'scan' should last 60 seconds)Īnd a filter that only captures packets with these particularities : 'ip' (only IP packets) I want to add those options to the command : -i 2 (interface with index n☂) I'm trying to write a filter for TShark the command line based Wireshark.

Wireshark filters for ca