Chii chinonzi firewall uye ndeapi marudzi ayo?
Muchikamu chino, tichadzidza pamwe chete nezve chii chinonzi firewall uye ndeapi marudzi e firewall zvakadzama.
Kutanga, chii chinonzi firewall?
Iyo firewall inetiweki chengetedzo chishandiso iyo inoongorora kuyerera kwedata kuenda uye kubva kune yako komputa pamusoro pemapaneti iyo yakabatana nayo, ichibvumidza kana kudzivirira traffic kubva uye uye kwazviri zvichibva pane seti yakatemerwa kuchengetedzwa kwemitemo.
Chinangwa chayo, chokwadika, ndechekugadzira chipingamupinyi pakati pekomputa yako kana yemukati network uye yekunze network iyo yakabatana, mukuedza kudzivirira kufamba kwedhata rinokuvadza senge hutachiona kana kurwisa kwekubira.
Firewall inoshanda sei?
Panowanikwa firewalls inoongorora data rinouya uye rinobuda zvichibva pamitemo yakagara yafanotaurwa, kusefa data rinobva kunzvimbo dzisina kuchengetedzeka kana dzinofungidzirwa, kudzivirira kurwiswa kunogona kuitika pakombuta yako kana makomputa akabatana netiweki yako yemukati, kureva kuti, vanoita sevarindi pamakomputa ekubatanidza, aya mapoinzi Akatumidzwa zviteshi, panoshandisirwa dhata nemidziyo yekunze.
Ndeapi marudzi e firewall?
Firewalls inogona kunge iri software kana Hardware, uyezve, zvirinani kuve nemhando mbiri idzi.
Iwo mapurogiramu akaiswa pamakomputa ese kuti aite basa ravo mukugadzirisa traffic ye data kuburikidza nezviteshi uye zvinoshandiswa.
Hardware firewalls michina yemuviri inoiswa pakati penzvimbo yekunze uye komputa yako yawakabatana, ndiko kuti, inomiririra kubatana kuri pakati pekomputa yako neyekunze network.
Mafirewwall ari ePacket_Filtering mhando.
Mhando dzakajairika kwazvo dzemoto,
Inoongorora data mapaketi uye ichivharira nzira yavo kana vasingaenderane nemitemo yekuchengetedza yakanyorwa kare mumoto. Rudzi urwu runotarisa sosi yemapaketi edata uye neIP kero yemidziyo yakaburitswa navo, yeiyo nzira inoenderana.
● Yechipiri chizvarwa firewalls
((Inotevera-chizvarwa firewalls (NGFW)
Inosanganisira mune yayo dhizaini tekinoroji yechinyakare firewalls, kuwedzera kune mamwe mabasa senge akavharidzirwa ekupfuudza-kutarisa, masisitimu ekudzivirira ekupinda, anti-hutachiona masisitimu, uye zvakare ine chimiro cheyakadzika DPI paketi yekuongorora, nepo zvakajairika firewalls ichiongorora misoro yemapaketi e data, echizvarwa chitsva firewalls Yechipiri (NGFW) ine DPI yekunyatsoongorora uye kuongorora iyo data mukati mekiti, ichigonesa mushandisi kunyatso kuona uye kuona mapakeji akashata.
● Proxy Firewalls
(Proxy firewalls)
Rudzi rwe firewall runoshanda padanho rekushandisa, kusiyana nedzimwe firewall, inoshanda semurevereri pakati pemakona maviri eiyo system, uko mutengi anoitsigira anofanira kutumira chikumbiro kune firewall yerudzi urwu kuti iongororwe yakatarwa mitemo yekutendera kana kudzivirira dhata yakatumirwa kuongororwa. Chii chinosiyanisa iyi mhando ndechekuti inoongorora traffic zvichienderana nezvinonzi Layer XNUMX protocols senge HTTP neFTP, uye zvakare ine chimiro chedzika DPI packet yekuongorora uye yepamutemo kana yehukama firewall matekinoroji.
● Network kero dudziro (NAT) firewalls
Aya mafirewwall anotendera akawanda madhijitari ane akasiyana IP kero kuti aungane pamwechete kune ekunze network ine imwechete IP kero, kuitira kuti vapambi, vanovimba netweke scanning pane IP kero, havagone kuwana chaiwo madudziro nezve izvo zvishandiso zvakachengetedzwa nerudzi urwu rwe firewall. Rudzi rwemoto wekudzivirira moto rwakafanana neProxy firewalls mune kuti inoshanda semurevereri pakati peyese emidziyo yainotsigira uye netiweki yekunze.
● Stateful multilayer kuongorora (SMLI) firewalls
Iyo inosefa mapaketi e data padanho rekubatanidza uye nhanho yekushandisa, nekuzvienzanisa nemapaketi edata aimbozivikanwa uye akavimbwa, uye sezvakaita muNFW firewalls, SMLI inoongorora iyo rese data packet uye inoitendera kuti ipfuure kana ichidarika matanda ese uye nhanho dzekutarisa, inotarisawo mhando yekubatanidza uye chimiro chayo kuitira kuti ive nechokwadi chekuti kutaurirana kwese kunogadzirwa kunoitwa chete neyakavimbika masosi.
Uye iwe uri mune hutano hwakanyanya uye kuchengetedzeka kwevateveri vedu vanodiwa
