Network firewalls tiv thaiv tag nrho cov network ntawm tuaj intrusions
Ib lub network firewall tiv thaiv lub computer network los ntawm kev siv tsis tau tso cai. Nws yog ib qho cuab yeej kho vajtse , software program, los yog ob qho tib si.
Network firewalls khaws ib lub computer sab hauv los tiv thaiv kev phem ntawm sab nraud, xws li cov websites uas ua phem rau los yog qhib cov chaw nres nkoj nres . Koj tuaj yeem nrhiav tau lawv nyob qhov twg hauv lub network siv, xws li tom tsev, tsev kawm ntawv, kev ua lag luam, los yog ib qho intranet .
Lub network firewall kuj yuav raug teeb tsa kom tsis pub nkag mus sab nraud ntawm cov neeg siv sab nraud, xws li hauv cov niam txiv tswj xyuas los yog chaw kaw neeg ua haujlwm, ob qho tib si ntawm kev tiv thaiv nkag mus rau kev twv txiaj thiab cov laus hauv tsev kawm ntawv, ntawm ntau hom kev kawm.
Yuav Ua Li Cas Firewall Ua Haujlwm
Thaum siv lub tshuab hluav taws xob los siv tag nrho nws lub peev xwm, nws niaj zaus saib txhua yam khoom thiab khoom tawm hauv tsev. Dab tsi ua rau muaj kev ruaj ntseg txawv ntawm ib tus neeg tshawb xyuas lub tsheb yog tias nws tuaj yeem tsim teeb tsa yam khoom.
Ib lub firewall yuav lov tawm tau cov ntawv thov los ntawm kev nkag mus rau lub network, thaiv URLs los ntawm chaw thau khoom, thiab tiv thaiv kev mus los ntawm tej qhov chaw nres nkoj.
Qee qhov chaw siv hluav taws xob tuaj yeem siv hauv ib qho chaw uas lawv thaiv txhua yam kom txog rau thaum koj pom meej meej txhua tus tib neeg nkag. Qhov no yog ib txoj kev los thaiv txhua yam ntawm lub network kom koj tuaj yeem tsim cov kev tiv thaiv tiv thaiv kev tawm tsam network.
Network Firewall Software thiab Broadband Routers
Ntau cov khoom siv hauv tsev hauv tsev muaj xws li kev them nyiaj yug hluav taws xob. Tus thawj tswj kev sib tham ntawm cov txheej txheem no muaj xws li cov kev xaiv teeb tsa rau lub firewall. Router firewalls tua tau tawm (neeg xiam oob qhab), los yog lawv teem caij los teev cov qe kev tsheb sib tawb ntawm txoj kev cai hu ua firewall.
Ntsis: Saib Yuav Ua Li Cas Pab koj tus Wireless Router's Firewall hauv Internet los ua kom paub ntau ntxiv, nrog rau kev txheeb xyuas kom paub tias tus router txhawb cov firewall.
Muaj ntau cov kev pabcuam hauv kev lag luam muaj nyob rau hauv qhov nruab nrab ntawm lub computer uas xav tau nws. Cov kev siv hluav taws xob no tsuas yog tiv thaiv lub computer uas nws khiav; network firewalls tiv thaiv tag nrho network. Ntau yam zoo li lub network firewall, computer-based firewalls tuaj yeem ua tsis taus, thiab .
Ntxiv rau cov kev pabcuam tswjfwm tiv thaiv kabmob yog cov kev pabcuam antivirus uas feem ntau suav nrog lub nruab firewall nrog lub installation.
Network Firewalls thiab Npe Zauv
Lwm daim ntawv ntawm lub network firewall yog ib tus neeg siv lub npe tso cai. Cov koos pis npe ua haujlwm ua ib qho intermediary ntawm sab hauv lub computer thiab sab nraud cov tes hauj lwm los ntawm tau txais thiab xaiv thaiv cov ntaub ntawv ntim ntawm lub ciam teb.
Cov chaw siv hluav taws xob no kuj muaj kev tiv thaiv kev ruaj ntseg ntxiv los ntawm kev nkaum sab hauv LAN chaw nyob sab nraud tawm hauv internet. Nyob rau hauv ib lub chaw ua hauj lwm hauv lub koomhaum ( firewall) thaj tsam, cov kev thov kev sib txuas ntawm ntau tus neeg tuaj rau tus neeg sab nrauv li txhua qhov tuaj ntawm qhov chaw nyob ntawm tib lub npe.