Cov txheej txheem:
Video: DNS Transactionid yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A DNS qhib daws teeb meem yog ib DNS server uas tso cai DNS cov neeg siv uas tsis yog ib feem ntawm nws tus thawj tswj hwm sau npe siv tus neeg rau zaub mov rau kev daws teeb meem lub npe.
Ntawm no, dab tsi yog qhov tsis zoo ntawm DNS?
A DNS kev tawm tsam yog ib qho kev siv uas tus neeg tawm tsam siv kom zoo dua yooj yim nyob rau hauv lub domain name system ( DNS ). Thaum tus neeg siv kawg ntaus cov neeg nyiam sau npe WhatIs.com rau hauv tus neeg siv lub browser, ib qho kev pab cuam hauv cov neeg siv khoom siv hu ua DNS Tus neeg daws teeb meem saib WhatIs.com tus lej IP chaw nyob.
Ib tug kuj yuav nug, vim li cas DNS thiaj li muaj txiaj ntsig rau kev nyab xeeb? A ruaj ntseg DNS Nws yog qhov tseem ceeb vim tias nws txuas lub npe sau npe rau IP. Thiab thaum DNS yog invaluable rau hauv Internet zej zog, nws tsis yog tsis muaj qhov tsis zoo. Thaum nws tau tsim, Is Taws Nem yog qhov chaw me me thiab muaj kev nyab xeeb dua, yog li ntawd muaj me ntsis kev ruaj ntseg hauv siab.
Qhov thib ob, kuv yuav tiv thaiv kuv tus DNS li cas?
Cia peb pib nrog yim lub tswv yim tseem ceeb los ua kom koj cov kev pabcuam DNS nyuaj:
- Tshawb xyuas koj cov cheeb tsam DNS. Thawj yam ua ntej.
- Khaws koj cov DNS servers tshiab.
- Nkaum BIND version.
- Txwv Kev Hloov Chaw.
- Disable DNS recursion tiv thaiv DNS lom tawm tsam.
- Siv cov DNS servers cais.
- Siv DDOS tus kws kho mob txo qis.
- Ob-Factor Authentication.
Puas yog DNS raws tu qauv?
(Txawm hais tias ntau tus neeg xav tias " DNS " stands rau "Domain Name Server," nws yeej stands rau "Domain Name System.") DNS yog a raws tu qauv nyob rau hauv cov txheej txheem ntawm yuav ua li cas cov computers pauv cov ntaub ntawv nyob rau hauv internet thiab nyob rau hauv ntau private networks, hu ua TCP / IP. raws tu qauv suite.
Pom zoo:
W3c yog dab tsi Whatwg yog dab tsi?
Lub Web Hypertext Application Technology Working Group (WHATWG) yog ib lub zej zog ntawm cov neeg nyiam hloov kho HTML thiab lwm yam technologies. WHATWG tau tsim los ntawm cov tib neeg los ntawm Apple Inc., Mozilla Foundation thiab Opera Software, ua tus neeg muag khoom Web browser, hauv 2004
Cell referencing yog dab tsi thiab dab tsi yog qhov sib txawv ntawm kev xa tawm?
Muaj ob hom kev siv ntawm tes: txheeb ze thiab tsis meej. Cov txheeb ze thiab cov ntawv pov thawj tseeb coj txawv txawv thaum theej thiab sau rau lwm lub hlwb.Cov ntaub ntawv txheeb ze hloov thaum tus qauv raug theej rau lwm lub xovtooj. Cov ntaub ntawv tseeb, ntawm qhov tod tes, tseem nyob tas li txawm tias lawv tau theej qhov twg
Social engineering yog dab tsi thiab nws lub hom phiaj yog dab tsi?
Social engineering yog lo lus siv rau ntau yam kev ua phem ua phem uas ua tiav los ntawm tib neeg kev sib cuam tshuam. Nws siv kev puas siab puas ntsws los ntxias cov neeg siv kom ua yuam kev kev ruaj ntseg lossis muab cov ntaub ntawv rhiab
Dab tsi yog tus sawv cev heuristic Dab tsi yog qhov muaj heuristic?
Qhov muaj heuristic yog ib txoj kev puas siab puas ntsws uas pab peb txiav txim siab raws li nws yooj yim npaum li cas los coj ib yam dab tsi rau hauv siab. Tus neeg sawv cev heuristic yog ib txoj kev puas siab puas ntsws uas pab peb txiav txim siab los ntawm kev sib piv cov ntaub ntawv rau peb cov qauv kev puas hlwb
Dab tsi yog DNS piav qhia luv luv ntawm cov qauv hierarchical ntawm DNS?
DNS siv lub hierarchy los tswj nws cov kev faib database system. Lub DNS hierarchy, tseem hu ua qhov chaw sau npe, yog cov qauv ntoo inverted, zoo li eDirectory. Cov ntoo DNS muaj ib qho chaw nyob saum toj ntawm cov qauv hu ua lub hauv paus sau. Lub sij hawm los yog dot (.) yog lub npe rau lub hauv paus sau