Denial-of-service attack ( DoS attack ) ? ?????-?????????? ???-???? ????, ????? ???????????? ??????? ??????? ????????-??????? ??????????????, ???, ???? ???????? ???????????? ??????? ???????????? ??????.

DoS ??????? ??????? ???????????? ??????, ???? ???????????? ??????? ??????????? ????? ??????????? ( ????. flood network ). ???????? ???????? ???????? ???????, ????????, ?????? ????? ????????????? ???????????? ? ???????????, ??????????? ?? ?? ??????? ???????? ????? ????????. ???????????, ???? ?????? ????? ???-?????? ??????, ?????? URL-? ??????? ???????? ????????? ?? ?????????? Enter ??????, ?? ?????? ???????? ????????? ???????? (???. Request), ???? ???????? ??????. ??????? ??????? ?????????? ?????? ???????????? ?????????? ????????? ???????????“, ??? ???, ?? ???????????? ???????????? ??????? ?? ????????????“, ??????? ??? ??????? ?????? ??????????“] ???????????, ???????????, ??? ??????? ???-?????. ?? ???? ???-?????? ????????? ???????“ (???. Denial of Service (DoS)), ?????? ???? ?? ?????? ??????? ??????.

Distributed denial-of-service (DDoS) ???? ?????????? DoS ??????, ????? ???????????? ??????? ??? ?? ???, ???? ???????????, ???????? IP ????????? . ?? ????? ???????? ????????? ????? ???-????????. ????????? ???? ???, DDoS ????????? ???? ??????? ????? ??????? ???????, ????????? ???? Twitter , GitHub ?? ????.

????????? ?????????? [ ??????????? | ?????? ??????????? ]

• Akamai State of the Internet Security Report - Quarterly Security and Internet trend statistics
• W3C The World Wide Web Security FAQ
• cert.org CERT's Guide to DoS attacks. (historic document)