Firewall: Chii, Kuti Inoshanda Sei, uye Nei Yakakosha
Introduction:
Munyika yanhasi yakabatana, tinovimba nehunyanzvi hwekuita zvese zvatinoita. Zvakadaro, kuwedzera kuvimba netekinoroji kunorevawo kuti isu tiri panjodzi yekurwiswa necyberattacks. Chimwe chinhu chakakosha chekuchengetedza hupenyu hwedu hwedhijitari ndeye firewall. Muchikamu chino, tichaongorora kuti firewall chii, kuti inoshanda sei, uye nei yakakosha pakuchengetedzwa kwepamhepo.
Chii chinonzi Firewall?
A firewall chishandiso chekuchengetedza network chakagadzirirwa kudzivirira kupinda kusingatenderwe kune komputa kana network. Inoita sechipinganidzo pakati pekombuta yako neinternet, ichivharira chero traffic isingaite mamwe maitiro akafanotsanangurwa.
Firewall inoshanda sei?
Firewall inoshanda nekuongorora inopinda uye inobuda network traffic uye nekuienzanisa neseti yemitemo yakafanotsanangurwa. Kana iyo traffic ikasangana nemitemo, inobvumidzwa kupfuura nepafirewall. Kana iyo traffic isingasviki mitemo, inovharwa. Mitemo inogona kubva pane zvakasiyana-siyana zvezvinhu, zvakadai semhando yemotokari, iyo IP kero yeanotumira kana anogamuchira, uye chiteshi chengarava chinoshandiswa pakutaurirana.
Mhando dzeFirewalls:
- Packet-filtering Firewalls: Aya mafirewall anoongorora ega ega e data paanenge achipfuura nepanetiweki. Vanofananidza pakiti imwe neimwe nemitemo yakafanotaurwa uye vanoona kuti voibvumira here kana kuivhara.
- Stateful Inspection Firewalls: Aya mafirewall anochengeta mamiriro etiweki yekubatanidza uye anongobvumira traffic inofanana neyako iripo. Iwo akanyanya kufambira mberi kupfuura packet-filtering firewall uye anopa chengetedzo iri nani.
- Application-level Firewalls: Aya mafirewall anoshanda padanho rekushandisa retiweki stack uye anogona kuongorora traffic zvichibva pane chaiyo application protocol. Iwo anowanzo shandiswa kuchengetedza maseva ewebhu uye mamwe maapplication akatarisana neinternet.
Sei Firewall Yakakosha?
- Dziviriro kubva kuCyberattacks: Firewall chishandiso chakakosha kuchengetedza komputa yako kana network kubva kucyberattacks. Inogona kuvharidzira kusatenderwa kuedza, kudzivirira malware kupinda muhurongwa hwako, uye kumisa matsotsi kuti asabire zvine hunyanzvi. ruzivo.
- Regulatory Compliance: Zvizhinji zvinodikanwa zvekutonga, seHIPAA nePCI-DSS, zvinoda kuti masangano ave nefirewall panzvimbo yekudzivirira data rakadzama.
- Zvirinani Network Performance: Mafirewall anogona zvakare kunatsiridza mashandiro etiweki nekuvhara zvisina basa traffic uye kuderedza network kusangana.
mhedziso:
A firewall chishandiso chakakosha chekuchengetedza komputa yako kana network kubva kune cyber kutyisidzira. Inoshanda nekuongorora network traffic uye inongobvumira yakatenderwa traffic kuti ipfuure. Kune akatiwandei emhando dzemafirewall, imwe neimwe iine simba rayo uye kusasimba kwayo. Nekushandisa firewall, unogona kuderedza njodzi yecyberattacks, kuve nechokwadi chekuteedzera, uye kugadzirisa network kuita.
