Yuav ua li cas Siv DNS los kho lub vev xaib tsis thauj khoom kom raug

Cov txheej txheem:

2024 Tus sau: Abigail Brown | [email protected]. Kawg hloov kho: 2023-12-17 06:49

Muaj ntau yam laj thawj vim li cas nplooj ntawv web yuav tsis thauj khoom zoo hauv koj tus browser. Peb tshawb nrhiav qhov ua rau ntawm nplooj ntawv web tsis thauj khoom thiab yuav kho cov teeb meem no li cas.

Web Browsers thiab Cov Teeb Meem Sib Raug Zoo

Qee zaum qhov teeb meem yog ib qho kev sib raug zoo, xws li tshwm sim thaum lub vev xaib cov neeg tsim khoom siv cov txheej txheem coding uas tsis yog txhua tus browser paub yuav txhais li cas. Koj tuaj yeem tshawb xyuas qhov teeb meem no los ntawm kev siv lwm qhov browser mus xyuas lub vev xaib hauv nqe lus nug.

Qhov ntawd yog ib qho laj thawj vim li cas nws yog ib lub tswv yim zoo kom Safari, Firefox, thiab Chrome web browsers ke. Yog tias nplooj ntawv thauj khoom hauv ib qhov browser tab sis tsis yog lwm qhov, koj paub tias nws yog qhov teeb meem sib raug zoo.

Koj ISP tuaj yeem yog tus neeg ua txhaum

Ib qho uas yuav ua rau lub vev xaib tsis thauj khoom yog qhov teeb tsa tsis raug lossis tswj tsis zoo DNS (Domain Name Server) system los ntawm koj ISP (Internet Service Provider). Cov neeg siv internet feem ntau muaj DNS system muab rau lawv los ntawm lawv ISP.

Qee zaum, qhov no ua tiav tiav; Qee zaum, ISP muab rau koj DNS server qhov chaw nyob hauv internet kom nkag mus rau hauv koj Mac lub network teeb tsa. Txawm li cas los xij, qhov teeb meem feem ntau yog nyob ntawm ISP qhov kawg ntawm kev sib txuas.

DNS ua haujlwm li cas?

DNS yog lub kaw lus uas ua rau cov neeg siv tuaj yeem siv cov npe nco tau yooj yim rau cov vev xaib thiab lwm yam kev pabcuam hauv internet, tsis yog qhov nyuaj-rau-nco tus lej IP chaw nyob muab rau cov vev xaib. Piv txwv li, nws yooj yim dua rau nco ntsoov www.lifewire.com dua 207.241.148.80, uas yog ib qho ntawm Lifewire.com tus IP chaw nyob.

Yog tias DNS system muaj teeb meem txhais www.lifewire.com rau qhov chaw nyob IP raug, ces lub vev xaib yuav tsis thauj khoom. Koj tuaj yeem pom cov lus yuam kev lossis tsuas yog ib feem ntawm lub vev xaib tuaj yeem tso tawm.

Tsis tau txhais hais tias tsis muaj dab tsi koj ua tau. Koj tuaj yeem paub meej tias koj ISP lub DNS system puas ua haujlwm raug. Yog tias nws tsis yog, lossis txawm tias nws yog, koj tuaj yeem hloov koj qhov chaw DNS siv lub server muaj zog dua li qhov koj ISP pom zoo.

Test your DNS

Mac OS muaj ntau txoj hauv kev los sim thiab paub meej tias qhov kev ua haujlwm DNS puas muaj rau koj. Nov yog ib txoj hauv kev:

Launch Terminal, nyob ntawm /Applications/Utilities/.
Hloov lossis theej thiab muab cov lus txib hauv qab no tso rau hauv Terminal window.
```
host www.lifewire.com
```
nias tus return los yog enter tus yuam sij tom qab koj nkag mus rau kab saum toj no.

Yog tias koj ISP's DNS system ua haujlwm, koj yuav tsum pom ob kab hauv qab no xa rov qab rau hauv daim ntawv thov Terminal:

www.lifewire.com is an alias for dynwwwonly.lifewire.com.dynwwwonly.lifewire.com muaj chaw nyob 208.185.127.122

Dab tsi yog qhov tseem ceeb yog kab thib ob, uas txheeb xyuas tias DNS system tuaj yeem txhais lub vev xaib lub npe mus rau qhov tseeb tus lej hauv internet, qhov no, 208.185.127.122. (Tus IP chaw nyob uas koj pom yuav txawv, tab sis nws yuav yog tib yam lossis zoo sib xws).

Sim tus tswv tsev hais kom ua yog tias koj muaj teeb meem nkag mus rau lub vev xaib. Tsis txhob txhawj txog tus lej ntawm cov kab ntawv uas tau xa rov qab; nws txawv ntawm lub vev xaib mus rau lub vev xaib. Qhov tseem ceeb yog koj tsis pom kab uas hais tias:

Host your.website.name not found

Yog tias koj pom lub vev xaib tsis pom qhov tshwm sim, thiab koj paub tseeb tias koj nkag mus rau lub vev xaib lub npe kom raug thiab tias muaj lub vev xaib los ntawm lub npe ntawd tiag, ces koj tuaj yeem paub tseeb tias, tsawg kawg rau lub sijhawm, koj ISP's DNS system muaj teeb meem.

Siv DNS sib txawv

Txoj hauv kev yooj yim tshaj plaws los kho ISP qhov tsis ua haujlwm DNS yog hloov pauv DNS sib txawv rau qhov muab. Ib qho zoo tshaj plaws DNS system yog khiav los ntawm ib lub tuam txhab hu ua OpenDNS (tam sim no ib feem ntawm Cisco), uas muaj pub dawb siv nws cov DNS system. OpenDNS muab cov lus qhia ua tiav rau kev hloov pauv rau Mac lub network teeb tsa, tab sis yog tias koj muaj teeb meem DNS, koj yuav tsis tuaj yeem nkag mus rau OpenDNS lub vev xaib. Nov yog daim ntawv qhia ceev ceev yuav ua li cas hloov koj tus kheej.

Launch System Preferences los ntawm nyem rau ntawm System Preferences icon hauv Dock, lossis xaiv qhov System Preferences khoom los ntawmApple menu.

Image
Nias lub Network icon nyob rau hauv qhov System nyiam qhov rais.
Xaiv qhov kev sib txuas uas koj siv rau kev siv internet. Rau yuav luag txhua tus, qhov no yog Wi-Fi lossis Built-In Ethernet.

Image
Click the Advanced khawm.
Xaiv DNS tab.

Image
Nias lub pob ntxiv (+) hauv qab DNS Servers teb thiab nkag mus rau DNS chaw nyob hauv qab no:

208.67.222.222
Rov ua cov kauj ruam saum toj no thiab nkag mus rau qhov chaw nyob DNS thib ob, qhia hauv qab no:

208.67.220.220
Click the OK khawm.
Click the Apply khawm.
Kaw lub Network nyiam pane.

OpenDNS muab ntau txoj kev xaiv

Koj Mac tam sim no tau nkag mus rau DNS cov kev pabcuam muab los ntawm OpenDNS, thiab lub vev xaib wayward tam sim no yuav tsum thauj khoom kom zoo.

Txoj kev no ntxiv rau OpenDNS nkag khaws koj tus nqi DNS qub. Yog tias koj xav tau, koj tuaj yeem hloov kho cov npe, txav cov ntawv nkag tshiab mus rau saum cov npe. Kev tshawb nrhiav DNS pib nrog thawj DNS server hauv cov npe.

Yog tias lub vev xaib tsis pom hauv thawj qhov nkag, DNS nrhiav hu rau ntawm qhov nkag thib ob. Qhov no txuas ntxiv mus txog thaum qhov kev tshawb nrhiav los yog tag nrho cov DNS servers hauv cov npe tau tas lawm.

Yog tias cov DNS servers tshiab uas koj tau ntxiv ua tau zoo dua li koj cov qub, txav cov kev nkag tshiab mus rau saum cov npe los ntawm kev xaiv thiab rub nws mus rau sab saum toj.