Cov txheej txheem:

Qhov zoo thiab qhov tsis zoo ntawm firewall yog dab tsi?
Qhov zoo thiab qhov tsis zoo ntawm firewall yog dab tsi?

Video: Qhov zoo thiab qhov tsis zoo ntawm firewall yog dab tsi?

Video: Qhov zoo thiab qhov tsis zoo ntawm firewall yog dab tsi?
Video: Tsis Muaj Peev Xwm Yuav Ua Li Cas 2024, Kaum ib hlis
Anonim

Lub ntsiab qhov tsis zoo ntawm a firewall yog tias nws tsis tuaj yeem tiv thaiv lub network los ntawm kev tawm tsam los ntawm sab hauv. Lawv feem ntau tsis tuaj yeem tiv thaiv kev tawm tsam sab hauv. Firewalls tsis tuaj yeem tiv thaiv lub network lossis pc los ntawm cov kab mob, Trojans, worms thiab spyware uas kis tau los ntawm flash drives, potable hard disk thiab floppy thiab lwm yam.

Ua li no, qhov kev txwv ntawm firewall yog dab tsi?

Firewall txwv

  • Lub firewall tsis tuaj yeem tiv thaiv cov neeg siv lossis cov neeg tawm tsam nrog cov modems los ntawm kev hu mus rau lossis tawm ntawm lub network sab hauv, yog li hla lub firewall thiab nws cov kev tiv thaiv tag nrho.
  • Firewalls tsis tuaj yeem tswj hwm koj txoj cai password lossis tiv thaiv kev siv tus password tsis raug.

Tsis tas li ntawd, kev siv firewall yog dab tsi? A firewall yog ib qho system tsim los tiv thaiv kev nkag mus rau lossis los ntawm ib lub network ntiag tug. Koj tuaj yeem siv a firewall nyob rau hauv ob qho tib si hardware los yog software daim ntawv, los yog ib tug ua ke ntawm ob qho tib si. Firewalls tiv thaiv cov neeg siv internet uas tsis tau tso cai los ntawm kev nkag mus rau lwm tus tes hauj lwm txuas nrog hauv internet, tshwj xeeb tshaj yog intranets.

Tsis tas li lo lus nug yog, qhov zoo thiab qhov tsis zoo ntawm kev siv kho vajtse thiab software raws li firewalls yog dab tsi?

Cov qhov zoo ntawm kho vajtse - raws firewalls yog tias lawv muab cov kab ntxiv ntawm kev tiv thaiv kev tawm tsam mus txog lub khoos phis tawj desktop. Cov qhov tsis zoo yog lawv cais khoom siv uas xav tau cov kws tshaj lij los pab txhawb lawv cov teeb tsa thiab kev saib xyuas.

Dab tsi yog 3 hom firewalls?

Muaj peb yooj yim hom firewalls uas tau siv los ntawm cov tuam txhab los tiv thaiv lawv cov ntaub ntawv & cov khoom siv kom ua kom puas tsuaj tawm ntawm lub network, viz. Packet Filters, Stateful Inspection thiab Proxy Server Firewalls . Cia peb muab cov lus qhia luv luv rau koj txog txhua qhov no.

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