4 ms·It looks at tcp header values, not packet data.by nickphx 4y agoIt looks at tcp header values, not packet data.account-5 4y agoThanks, that makes sense now. It was a genuine question, must have missed it on the page, I was wondering why I was getting downvoted.iou 4y agoYeah, that is a reasonable question if you’re not familiar. People are mean if they’re downvoting :(