Firewall ke eng mme mefuta ea eona ke efe?
Sehloohong sena, re tla ithuta hammoho hore na firewall ke eng le hore na ke mefuta efe ea firewall ka botlalo.
Pele, firewall ke eng?
Firewall ke sesebelisoa sa ts'ireletso se netefatsang phallo ea data ho tloha le ho tsoa khomphuteng ea hau holim'a marang-rang eo e hokahantsoeng le eona, e lumellang kapa e thibelang sephethephethe ho tloha le ho sona ho ipapisitsoe le melao e boletsoeng esale pele ea ts'ireletso.
Morero oa eona, ehlile, ke ho etsa tšitiso lipakeng tsa komporo ea hau kapa marang-rang a kahare le marang-rang a kantle moo e hokahantsoeng teng, ka sepheo sa ho thibela ho tsamaisoa ha data e kotsi joalo ka livaerase kapa litlhaselo tsa bosholu.
Firewall e sebetsa joang?
Moo li-firewall li hlahlobang tlhaiso-leseling e kenang le e tsoang ho latela melao e boletsoeng esale pele, ho sefa lintlha tse tsoang mehloling e sa bolokehang kapa e belaetsang, ho thibela litlhaselo tse ka bang teng khomphuteng ea hau kapa likhomphutha tse hokahantsoeng le marang-rang a hau a kahare, ke hore, ba sebetsa joalo ka balebeli lintlheng tsa khokelo ea khomphutha, lintlha tsena li reiloe lebitso likoung, moo data e fapanyetsanoang le lisebelisoa tsa kantle.
Ke mefuta efe ea firewall?
Li-firewall e kanna ea ba software kapa li-hardware, 'me ehlile ho molemo ho ba le mefuta ka bobeli.
Ke mananeo a kentsoeng khomphuteng e ngoe le e ngoe ho etsa mosebetsi oa ona ho laola sephethe-phethe sa data ka likoung le lits'ebetsong.
Lisebelisoa tsa mollo ke lisebelisoa tsa 'mele tse behiloeng lipakeng tsa marang-rang a kantle le komporo ea hau eo u hokahantsoeng le eona, ke hore, li emela khokahano lipakeng tsa komporo ea hau le netweke e kantle.
Li-firewall ke tsa mofuta oa Packet_Filtering.
Mefuta e tloaelehileng ea li-firewall,
E hlahloba lipakete tsa data mme e thiba litemana tsa eona haeba li sa lumellane le melao ea ts'ireletso e neng e thathamisitsoe pele ho li-firewall. Mofuta ona o lekola mohloli oa lipakete tsa data le liaterese tsa IP tsa lisebelisoa tse fanoeng ke bona, molemong oa ts'ebetso e tšoanang.
● Moloko oa bobeli oa litima-mollo
((Li-firewall tsa moloko o latelang (NGFW)
E kenyelletsa moqapong oa eona theknoloji ea maballo a setso, ntle le mesebetsi e meng e kang ho hlahloba ho feta ka mokhoa o patiloeng, lits'ebetso tsa thibelo ea ho kenella, lits'ebetso tsa anti-virus, hape e na le tšobotsi ea tlhahlobo e tebileng ea DPI packet. DPI ho hlahloba le ho lekola lintlha ka har'a pakete, ho nolofalletsa mosebelisi ho tseba le ho khetholla lipakete tse kotsi.
● Li-firewall tsa proxy
(Lifofane tsa proxy)
Mofuta ona oa firewall o sebetsa maemong a ts'ebeliso, ho fapana le li-firewall tse ling, e sebetsa e le mohokahanyi lipakeng tsa lipheletsong tse peli tsa sistimi, moo moreki ea e ts'ehetsang a tlamehang ho romella kopo ho setima-mollo sa mofuta ona hore se hlahlojoe khahlano le sehlopha sa ts'ireletso melao ea ho lumella kapa ho thibela lintlha tse rometsoeng bakeng sa tlhahlobo. Se khethollang mofuta ona ke hore e lekola sephethephethe ho latela melaoana e bitsoang Layer XNUMX e kang HTTP le FTP, hape e na le tšobotsi ea tlhahlobo e tebileng ea DPI packet le mekhoa ea semmuso kapa ea mmuso ea firewall.
● Li-firewall tsa phetolelo ea liaterese tsa marang-rang
Li-firewall tsena li lumella lisebelisoa tse ngata tse nang le liaterese tse fapaneng tsa IP hore li hokahane hammoho le marang-rang a kantle ka aterese e le 'ngoe ea IP, e le hore bahlaseli, ba itšetlehileng ka ho lekola marang-rang liaterese tsa IP, ba se ke ba fumana lintlha tse ikhethang ka lisebelisoa tse sirelelitsoeng ke mofuta ona oa firewall. Mofuta ona oa firewall o ts'oana le li-firewall tsa proxy hobane e sebetsa e le mohokahanyi lipakeng tsa lisebelisoa tsohle tseo e li tšehetsang le netweke ea kantle.
● Li-firewall tsa mmuso tsa li-multilayer tlhahlobo (SMLI)
E sefa lipakete tsa data ntlheng ea khokahano le ts'ebeliso, ka ho li bapisa le lipakete tsa data tse tsejoang le tse tšepahalang, joalo ka ho li-firewall tsa NGFW, SMLI e lekola pakete eohle ea data mme e e lumelle hore e fete haeba e feta likarolo tsohle le maemo a ho skena, hape e khetholla mofuta oa khokahano le boemo ba eona molemong oa ho netefatsa hore likhokahano tsohle tse qalileng li etsoa feela ka mehloli e tšepahalang.
'Me u phela hantle le ho sireletseha ka ho fetisisa ho balateli ba rona ba ratehang
