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Dab tsi yog zais NAT hauv chaw kuaj xyuas?
Dab tsi yog zais NAT hauv chaw kuaj xyuas?

Video: Dab tsi yog zais NAT hauv chaw kuaj xyuas?

Video: Dab tsi yog zais NAT hauv chaw kuaj xyuas?
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A Hide NAT yog ntau rau 1 daim ntawv qhia / kev txhais lus ntawm IP chaw nyob ua los ntawm firewall yog li ntawd: cov chaw ua haujlwm tuaj yeem nkag tau hauv Is Taws Nem nrog tib tus IP pej xeem (kev sib txuas sab nraud) ntau tus IP chaw nyob tau muab txhais rau pej xeem IP chaw nyob (kev sib txuas tawm mus)

Yog li ntawd, NAT txoj cai yog dab tsi?

Network chaw nyob translation ( NAT ) yog ib txoj hauv kev ntawm remapping ib qhov chaw nyob IP mus rau lwm qhov los ntawm kev hloov kho cov ntaub ntawv chaw nyob hauv network hauv IP header ntawm cov pob ntawv thaum lawv nyob rau hauv kev hla hla lub tsheb khiav. Ib qhov chaw nyob hauv Internet-routable IP ntawm a NAT lub rooj vag tuaj yeem siv rau tag nrho lub network ntiag tug.

Tsis tas li ntawd, NAT txoj cai hauv Sonicwall yog dab tsi? NAT cov cai tso cai rau koj yooj yim los tswj Network Chaw Txhais Lus raws li kev sib xyaw ua ke ntawm qhov chaw IP chaw nyob, Chaw nyob IP chaw nyob, thiab Chaw Pabcuam Destination. Txoj cai -raws li NAT tso cai rau koj mus deploy ntau hom NAT ib txhij.

Ntawm no, NAT firewall yog dab tsi?

A firewall yog ib qho khoom siv software lossis hardware-based firewall . Kev Txhais Lus Network ( NAT ) yog ib qho cuab yeej siv rau remapping qhov chaw nyob IP rau lwm qhov. Yuav ua kom qhov no ua tau, NAT Hloov cov pob ntawv 'IP chaw nyob thaum lawv hla hla lub tsheb khiav tsheb.

Peb hom NAT yog dab tsi?

Muaj 3 hom NAT:

  • Static NAT - Hauv qhov no, ib tus IP chaw nyob ib leeg yog mapped nrog ib tus IP chaw nyob, piv txwv li, tus IP chaw nyob yog muab txhais rau pej xeem IP chaw nyob.
  • Dynamic NAT - Hauv hom NAT no, ntau qhov chaw nyob IP ntiag tug yog mapped rau lub pas dej ntawm pej xeem IP chaw nyob.
  • Chaw nres nkoj Chaw Txhais Lus (PAT) –

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