Cookie serve as an identifier for the remainder of the messages in the protocol. Consider TCP SYN flooding, which is a prototypical DoS attack. EachTCP SYN request causes the server to do a little work (create a SEQ number,for example) and to keep s...
The cookies IC and RC that appear in the IPSec protocols above are officiallyknown as "anti-clogging tokens" in the relevant RFCs. These IPSec cookieshave no relation to Web cookies, which are used to maintain state acrossHTTP sessions. Instead, the ...