Kusintha kusintha kosavuta kungapange kusiyana kwakukulu (ndi kwaulere)
Kodi mudadziwa kuti mungathe kusintha zonse zomwe mukuchita pa intaneti pakuyenda ndi chitetezo mwa kusankha njira ina ya DNS resolver? Uthenga wabwino ndikuti ndiufulu ndipo umangotenga mphindi imodzi yokha kuti mupange kusintha kwa wina wopereka.
Kodi DNS Resolver ndi chiyani?
DNS Name Name System (DNS) ingathe kuchoka mosavuta lilime lanu lapafupi lolamulira wamkulu, koma owerenga ambiri sadziwa kapena amasamala zomwe DNS ali, kapena zomwe zimawachitira.
DNS ndi gulu lomwe limagwiritsa ntchito mayina ndi mayina a IP pamodzi. Ngati muli ndi seva ndipo mukufuna kulola anthu kuti apite kwa iwo pogwiritsa ntchito dzina la mayinawo, ndiye mukhoza kulipira ndi kulemba dzina lanu lapadera (ngati likupezeka) ndi Wolemba Webusaiti monga GoDaddy.com, kapena kuchokera kwa wina . Mukakhala ndi dzina lachinsinsi lomwe limagwirizanitsidwa ndi adiresi ya IP ya seva yanu, ndiye kuti anthu akhoza kufika pawebusaiti yanu pogwiritsa ntchito dzina lanu lachilendo mmalo molemba ma intaneti. Ma DNS "resolver" amaseva amathandiza kuti izi zichitike.
Seva ya DNS resolver imalola kompyuta (kapena munthu) kuyang'ana dzina la mayina (ie) ndikupeza adilesi ya IP ya kompyuta, seva, kapena chipangizo china chomwe chiri (207.241.148.80). Ganizirani za DNS resolver monga bukhu la foni kwa makompyuta.
Mukasankha dzina lachitukuko pa webusaiti yanu, pambuyo pazithunzi, seva ya DNS resolver imene kompyuta yanu ikulozera ikugwira ntchito kuti ifunse ma seva ena a DNS kudziwa aderese ya IP imene dzina lachidziwitso "limasankha" kotero kuti msakatuli wanu akhoza kupita ndikupeza chilichonse chimene mukuyang'ana pa webusaitiyi. DNS imagwiritsidwanso ntchito pothandizira kupeza mndandanda wa makalata uthenga womwe ukuyenera kupita. Zili ndi zolinga zambiri komanso.
Kodi DNS Resolver Yanu Yakhala Yotani?
Ambiri omwe amagwiritsa ntchito kunyumba akugwiritsa ntchito DNS iliyonse yothetsera kuti awo opereka ma intaneti (ISP) amawapatsa. Izi nthawi zambiri zimaperekedwa mosavuta mukakonza choyimitsa chingwe / DSL yanu, kapena pamene tsamba lanu la intaneti lopanda waya / wired likupita ku seva yanu ya DPC DPCP ndipo imakhala ndi adiresi ya intaneti yanu.
Mukhoza kupeza kuti DNS yankho yomwe mwasankhidwa popita ku "WAN" tsamba lachitsulo la router yanu ndikuyang'ana pansi pa gawo la "DNS Servers". Kawiri kaŵiri kaŵirikaŵiri, choyamba ndi china. Ma seva awa a DNS angasungidwe ndi ISP yanu kapena ayi.
Mukhozanso kuona zomwe DNS seva ikugwiritsiridwa ntchito ndi kompyuta yanu potsegula kulamula ndi kulemba " NSlookup " ndi kukanikiza fungulo lolowa. Muyenera kuwona dzina la "DNS Server" ndi adilesi ya IP.
Kodi Ndingakonde Bwanji Kugwiritsa Ntchito Njira Zina Zothandizira DNS Resolver Zina Kusiya Zanga?
Anu ISP angapange ntchito yabwino yokhudzana ndi momwe akukhazikitsa DNS yawo pothetsa maseva, ndipo akhoza kukhala otetezeka mwangwiro, kapena mwina sangathe. Iwo akhoza kukhala ndi matani a zinthu ndi zodabwitsa zojambula pa DNS zosankha zawo kuti mutenge nthawi yowonjezera mwamsanga, kapena mwina sangatero.
Mwina mungafune kuganizira kuchoka ku ma seva anu osankhidwa a DNS operekedwa ku ISP m'njira zina pazifukwa zingapo:
Chifukwa # 1 - Njira Zina Zotsutsira DNS Zingakupatseni Webusaiti Yothamangira Kupititsa patsogolo.
Ena opereka DNS ena amati kugwiritsira ntchito ma seva awo a DNS angapereke chithandizo chofulumira kwa owerenga mapeto mwa kuchepetsa DNS lookup latency. Kaya ichi ndi chinachake chimene inu mudzachiwona ndi nkhani ya zochitika zanu. Ngati zikuwoneka pang'onopang'ono, nthawi zonse mutha kubwerera ku DNS yanu yakale ya DNS yotetezedwa nthawi iliyonse yomwe mukufuna.
Chifukwa # 2 - Njira Zina Zothandizira DNS Zingakulitsire Web Browsing Security
Ena opereka DNS ena amati malingaliro awo amapereka madalitso angapo otetezera monga kufalitsa malonda, zowonongeka, ndi malo osokoneza bongo, komanso kuchepetsa chiopsezo cha DNS cache poisoning attack.
Chifukwa # 3 - Zina Zina Zopereka DNS Zopereka Zowonjezera Zimapereka Zomwe Zimangokhala Zosakaniza
Mukufuna kuyesa ana anu kuti asawerenge zolaula ndi malo ena omwe si "abwenzi"? Mutha kusankha kusankha DNS yemwe amapanga zosankha. Norton's ConnectSafe DNS imapereka DNS zosintha maseva omwe adzasungira zosayenera. Sizitanthawuza kuti ana anu sangangopangika pa adiresi ya IP ya malo osayenera ndikufika pa njirayi, koma mwinamwake adzawonjezera kukula kofulumira kwazomwe akufunira pa intaneti.
Kodi mumasintha bwanji DNS Resolver yanu ku Wopereka DNS Wina?
Njira yabwino yosinthana ndi DNS opereka pa router yanu, motere muyenera kusintha izo pamalo amodzi. Mutasintha pa router yanu, makasitomala onse pa intaneti yanu (poganiza kuti mukugwiritsa ntchito DHCP kuti apatseni IPs kwa makina osakaniza) ayenera kuwonetsa ma seva atsopano a DNS.
Fufuzani buku lanu lothandizira kuti mudziwe zambiri komanso momwe mungasinthire mauthenga anu a DNS resolver. Ife tinasungidwa mwachindunji ndi kampani yanga yamakina ndipo tinayenera kutsegula DHCP IP piritsi pa tsamba la WAN kugwirizanitsa ndikuliyika kuti likhale lothandizira kusintha ma adresse a IP a DNS resolver. Nthawi zambiri pali malo awiri kapena atatu oti alowetse ma DNS Server IP.
Musanachite kusintha kulikonse, muyenera kuyang'ana ndi makina anu a ISP ndi makina anu a router kuti mumve malangizo anu. Muyeneranso kulemba makonzedwe kapena masewero a pakali pano akukonzekera tsamba lokonzekera musanayambe kusintha, ngati kusinthaku sikugwira ntchito.
Zina Zopangira DNS Zomwe Tiyenera Kuziganizira
Pano pali njira zina zodziwika bwino za DNS omwe amafunika kuganizira. Awa ndiwo ma IPs omwe alipo tsopano monga mwabukhuli. Muyenera kuyang'ana ndi wothandizira DNS kuti muone ngati IPs yasinthidwa musanapange kusintha kwapansi pa IPs.
Google Public DNS:
- 8.8.8.8
- 8.8.4.4
Norton's ConnectSafe DNS:
- 198.153.192.50 - (imaphatikizapo malware, phishing, ndi zinthu zoletsera zolaula)
- 198.153.194.50 - (imaphatikizapo malware, phishing, ndi zinthu zoletsera zolaula)
Kuti mupeze mndandandanda wochuluka wa othandizira ena a DNS, onani Mndandanda wa Masewera a Tim Fisher ndi Public Alternative DNS List List .
Chidziwitso Ponena za Njira Zina Zopangira DNS Opereka Zinthu Zomwe Zikuteteza
Palibe mwazinthu izi zomwe zingathe kusokoneza malowedwe onse, zowonongeka , ndi zolaula, koma ziyenera kuchepetsa kuwerengeka kwa malo awa omwe angapezedwe poyesa anthu omwe amadziwika. Ngati simukumva kuti ntchito imodzi ikugwira ntchito yabwino poyeretsa, mukhoza kuyesa wothandizira wina kuti awone ngati ali bwino.