Firewalls

Firewalls - ib tug tshwj xeeb kev tiv thaiv systems software (firewalls) los mus tiv thaiv tsis tau tso cai Internet tus kab mob no nres, raws li zoo raws li tsim ib tug teeb meem raws li ib tug tib computer, los yog nyob rau ib lub zos network los ntawm siab phem trojans. Nyob rau lub hauv paus ntawm lawv lub ntsiab lub hom phiaj - kom tsis txhob nco tej yam txawv packets, xws cov kev pab cuam muaj lwm lub npe - ntxaij lim dej. Niaj hnub no lub feem ntau renowned manufacturers ntawm kev tiv thaiv firewalls yog raws li nram no: ZyXEL, Firewall, TrustPort Tag nrho cov kev pab tiv thaiv, ZoneAlarm, D-Link, Luag xam, Watchguard yees.

configuring firewalls

Firewalls yog configured manually, uas enables ncauj lus kom ntxaws installation kev tiv thaiv. Ib tug ntawm cov tseem ceeb tshaj plaws nta - antivirus teem ncaj qha USB-ports. Specifying lub yam muaj nqis, koj siv xws li ib tug kev pab cuam muaj peev xwm tsim ib tug ua kom tiav tswj lub tswv yim thiab tso zis rau lub zos network thiab nyob rau hauv txhua txhua hluav taws xob ntaus ntawv nyob rau hauv nws muaj pes tsawg leeg.

Los ntawm nqa tawm los ntawm txhais tes haum ntawm lub ntaub thaiv npog rau ntawm ib lub computers nyob rau hauv lub network, nws yog tau nyob rau hauv lub shortest tau lub sij hawm mus rau cov hloov npaj txhij-ua chaw mus rau lwm network units. Ntxiv mus, lub synchronicity ntawm lub lag luam yog ensured txawm yog hais tias tus wireless network kev twb kev txuas. Qhov chaw yuav tsum tau tsis muaj lub firewall lag luam yuav siv sij hawm ib co sij hawm, tab sis, yog hais tias koj kho nws scornfully, kev ruaj ntseg cov kev txwv yuav thaiv ib co tsim nyog rau cov kev pab cuam.

Ntxiv nta ntawm network cov ntxaij lim dej

Muaj firewalls uas yuav configured rau ntxiv tiv thaiv ntawm tej yam kev pab cuam thiab daim ntaub ntawv. Piv txwv li, los mus tiv thaiv hacking "Niam txiv kev tswj" thiab teem "spam." Teem tau nkag mus rau hauv Internet thiab txoj cai ua hauj lwm nyob rau hauv ib tug kaw network rau txhua qhov kev pab cuam thiab daim ntawv thov yuav tsum nyias. Fieldbus lim tswj kev nkag mus rau qhov chaw yuav saib xyuas gateways luam theej duab lim Web-txheem. Tsis tas li ntawd nws yog tau los thaiv kev nkag tau mus los ntawm tej yam txawv IP-qhov chaw nyob, qhia rau los yog hnov me nyuam no yuav nres.

Hom ntawm firewalls firewalls

Firewalls raug muab faib mus rau hauv lub nram qab no:

- ib tug ib txwm firewall, uas muab filtering nkag tau mus rau xa thiab tau txais packets;

- ib tug firewall kev sib kho nrhiav ib tug neeg zaug tsim ntawm cov ntawv muab siv raws sij hawm kaw uncertified packets siv feem ntau rau hacking, pub leej twg paub cov ntaub ntawv luam roj, thiab lwm yam.;.

- TSOM XAM firewall ua filtering raws li tus tsom xam ntawm lub sab hauv ntaub ntawv nyob rau hauv cov ntaub ntawv, ua raws li los thaiv cov hlab ntawm lub qhia tau trojans;

- ib tug kho vajtse firewall, nruab nrog ib tug built-in tsuj roj enables simultaneous intrusion kev tiv thaiv (IPS), antivirus PP, tiv thaiv tsis tau tso cai cov neeg siv nyob rau hauv lub private network, thiab VPN-lawv, raws li tau zoo raws li mus ua hauj lwm ntau ntsos firewall.

precautionary ntsuas

Yuav kom paub meej software zoo thiab txhim khu kev qha network kev tiv thaiv tiv thaiv tsis tau tso cai intrusions thiab hacking, yuav tsum tau ntsia ntawm lub network ntshav tsuas muaj ntawv pov thawj firewall. Tam sim no, PatientsÕ ua muab ntawv pov thawj FSTEC, Gazpromcert thiab cov FSB. Piv txwv li, FSTEC daim ntawv pov thawj certifies hais tias cov firewall lim raws li tag nrho cov uas yuav tsum tau tso cia nyob rau hauv thawj ib feem ntawm daim ntawv lub xeev kev Commission ntawm Russia. Ib tug FSB daim ntawv pov qhia tau tias tus system kev tiv thaiv kev pab cuam sau raws nkaus Ii lub Lavxias teb sab xeev Standard yuav tsum rau kev ruaj ntseg thiab kev ceev ntiag tug ntawm cov ntaub ntawv.