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Video: Dab tsi yog zais NAT hauv chaw kuaj xyuas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
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) –
Pom zoo:
Dab tsi yuav tsum tau kuaj hauv chav kuaj?
UNIT TESTING yog ib theem ntawm kev sim software uas ib tus neeg/cov khoom ntawm cov software raug kuaj. Lub hom phiaj yog los xyuas kom meej tias txhua chav ntawm lub software ua tau raws li tsim. Ib chav tsev yog qhov tsawg tshaj plaws kuaj tau ib feem ntawm ib qho software. Nws feem ntau muaj ib lossis ob peb inputs thiab feem ntau yog ib qho kev tso tawm
Qhov chaw nyob ntawm lub cev thiab qhov chaw nyob qhov chaw nyob yog dab tsi?
Qhov sib txawv yooj yim ntawm Logical thiab lub cev chaw nyob yog qhov chaw nyob Logical yog tsim los ntawm CPU hauv kev xav ntawm ib qho kev pab cuam. Ntawm qhov tod tes, qhov chaw nyob ntawm lub cev yog qhov chaw nyob uas muaj nyob hauv lub cim xeeb. Cov txheej txheem ntawm txhua qhov chaw nyob uas tsim los ntawm CPU fora program hu ua Logical Address Space
Yuav ua li cas koj tawm ntawm cov kws tshaj lij hom hauv cov chaw kuaj xyuas?
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