EDNS ke eng mme e ntlafatsa joang DNS hore e be kapele le e sireletsehileng haholoanyane?

Ithute ka EDNS le melemo ea eona ho ntlafatsa DNS ho etsa Marang-rang ka potlako le ka mokhoa o sireletsehileng.

Ntle ho pelaelo, ntle le li-server tsa DNS, re ne re ke ke ra khona ho sheba Marang-rang joalo ka ha re etsa letsatsi le letsatsi, theknoloji ena esale e le bohlokoa ka lilemo tse fetang 30, empa joale e ntse e nchafatsoa.
Ee, re bua ka phihlello ea katoloso edns e ncha'nchafatsaKhopolo ea DNS.

Ha re thaepa aterese ea sebaka sa Marang-rang ho bareng ea URL ea sebatli, e romela kopo feela ho seva DNS (DNS kapa ka Senyesemane: Domain name lebitso la System(ea opareitara ea Marang-rang ho rarolla aterese ea IP)Internet Protocol kapa ka Senyesemane: prothokholo ya Internet), e abetsoeng ho domain name kapa domain name.

Likahare tsa sengoloang bontsha

EDNS ke eng?

Hang ha o fumana aterese ea IP (Internet Protocol kapa ka Senyesemane: prothokholo ya Internet), kopo e 'ngoe e romelloa ho IP (Internet Protocol) feela ho fumana lintlha tse hlokahalang ho sebeletsa leqephe la websaete le amehang.

Leha ho le joalo, ho ithuta ho eketsehileng ka edns Re tla o bolella hore na ke eng edns Le hore na e tla ntlafatsa joang DNS, ho etsa hore Marang-rang a potlake hape a sireletsehe haholoanyane. Moo tsoelopele e kholo ea thekenoloji e tla etsahala kapa joalo ka phetohelo e kgutsitseng Bulela Ntlafatso ea ho bala marang-rang Tsatsi le leng le le leng re sa lemohe.

The Internet Engineering Task Force e ile ea lumelaIETF) Nako e telele mabapi le lintlha tsa ho fihla RFC 6891 kapa mekhoa e atolositsoeng ea DNS (edns). Tekanyetso ena e qalile ho sebetsa ka la 1 Hlakola 2019. Eseng hoo feela, empa ho boetse ho na le letoto la lintlafatso ho DNS kapa DNS e teng.

U kanna ua ba le tjantjello ea ho bona: Li-server tse 20 tse Molemohali tsa mahala le tsa Sechaba tsa DNS

Ka mantsoe a bonolo, EDNS ke Extension Mechanisms for DNS (EDNS) ke tlhaloso ea ho lekanya boholo ba li-parameter tse ngata tsa Domain Name System (DNS) protocol e neng e na le moeli oa boholo o nkoang o fokotsehile haholo ke sechaba sa boenjiniere ba Inthanete ho eketsa ts'ebetso ea protocol.

EDNS e ntlafatsa DNS joang ho etsa Marang-rang ka potlako le ho sireletseha haholoanyane?

Sistimi ea DNS e na le boikarabello ba ho fetola liaterese kapa li-URL tseo re li kenyang ho sebatli ho aterese ea IP e tsamaellanang ho theha khokahano. Ho fihlela ka 1983, ho ne ho sebelisoa tsamaiso ea moamoheli , faele e bolokang libaka tsohle tse tsebahalang tsa Inthanete, empa sena se se se sa khonehe ka lebaka la khōlo e khōlō ea Inthanete.

Kajeno, litsamaiso tsa katoloso tsa DNS ho matlafatsa, pōpo e neng e tla etsa hore li-server tsa DNS li potlake le ho sebetsa hantle ho feta pele. Hase feela hore sena se ka etsa liphetoho habonolo kapa kapele ho ntlafatsa tlhaloso ea bona, empa mehato ea ts'ireletso e ka kenyelletsoa ho sireletsa khahlanong le litlhaselo. DDoS.

Ha se sistimi ea pele ea katoloso ea DNS (edns) e ile ea hatisoa, kaha tsamaiso ea pele e ile ea hatisoa ka 1999 ke Internet Engineering Task Force e le RFC 2671. Leha ho le joalo, sena se se se phatlalalitsoe hore ha se sebetse ho latela litlhaloso RFC 6891 e ncha. Ka lehlohonolo, joaloka basebelisi, ha ho hlokahale hore u tšoenyehe ka letho hobane liphetoho tsohle le ntlafatso li itšetlehile ka lik'hamphani tse ikarabellang DNS.

Leha ho le joalo, re tla tsoelapele ho tsamaea ka mokhoa o tloaelehileng le ho nka monyetla ka lintlafatso, tseo ka linako tse ling li ka patoang. Hammoho le lik'hamphani, ba tla tlameha ho hlahloba hore na tsamaiso ea bona e lumellana le eona, 'me haeba ho se joalo, ba tla tlameha ho ntlafatsa litekanyetso tse ncha.

U kanna ua ba le tjantjello ea ho bona: Mokhoa oa ho lokisa wifi e liehang, mathata a khokahano le lebelo la inthanete

Ho feta moo, linatla tse kholo joalo tsa Marang-rang li se li fetotsoe joalo ka:

Google.
Cisco.
Hanehane.
Cloudflare.
Facebook.
Internet Systems Consortium.
PowerDNS.
Quad9.

Ena e ne e le tse ling tsa tlhahisoleseding e teng hona joale ka EDNS le hore na e ntlafatsa joang DNS hore e be kapele le e sireletsehileng haholoanyane.

U kanna ua ba le tjantjello ea ho ithuta ka:

Re tšepa hore u tla fumana sengoloa sena se le bohlokoa hore u se tsebe EDNS ke eng le hore na e ntlafatsa DNS joang hore e be kapele le e sireletsehileng haholoanyane. Fana ka maikutlo a hau le boiphihlelo le rona litlatsong.