Firewall: Chii uye chii vari zvinangwa?

Kushanda kana kutamba mitambo, zvinofanira kunzwisiswa kuti inodzidzisa iri padandemutande, apo pane ayo villains. vanhu ava inonzi hackers. Yavanogara vari kuedza kuputsa kupinda womumwe kombiyuta uye kuba mashoko kubva pairi. Zvichiita siyana nemavhairasi uye malware, uyewo nedzimwe vanotambura uchishandisa hurongwa nzvimbo. Kana Anti-utachiona yagara tega Anti utachiwana, pane firewall kudzivirira PC wako uye nemakanzuru nomumbure kana Indaneti. Chii?

Firewall

mano vanoshandisa Vakawanda vanofunga kuti antivirus Software anokwanisa kudzivirira kubva zvose zvakaipa. Zvisinei, hazvisi. For zvakakwana PC kudzivirirwa ichiri kudiwa uye firewall. Chii uye sei kushanda?

Wanikidza firewall uye muzviruva aro anogona kuva nechepakati kuzvidzivirira. Kuti pave nechokwadi kunonyanyisa kudzivirira PC wako, chirongwa anotungamirirwa zvimwe mitemo. Izvi zvinoreva zviito kuti zvichaita kuti firewall kana anoona akwirwe kuedza nomumwe kunobva. Mitemo iyi inogona kunge madiro. hunhu uye rinorambidza. Zvinokoshawo kunzwisisa kuti chirongwa hunodzivirira kombiyuta iri miviri nhanho. Chokutanga - pomumbure, uye wechipiri - rikashandiswa. Ndiko, kana mhinduro yemibvunzo nezvekuti firewall, chii uye sei akunoita, zvinokwanisika kuzoumba mhinduro. Izvi pakuvara software, iyo yakagadzirirwa kudzivirira PC kubva kuedza kubva kunze kwokubatana.

Network kudzivirirwa

Sezvambotaurwa, kune firewall ane kudzivirira maviri nzendo. Danho rokutanga - iri zvakarukwa kuchengeteka PC. Implementation kudzivirirwa kunoitika pamusana mitemo yose, izvo kunorondedzerwa firewall, uye Koi inoshandisa kana anoona papi. Zvichienderana akawanda variables, chirongwa kana kumisa kubatana kana kubvumira:

• Kutungamirirwa pemambure packet.
• zvakarukwa packet hutachiwana Protocol.
• Port of kuenda kana mbudo pasuru.

Kuti tipindure mubvunzo yakawanda broadly pamusoro firewall chii, zvinokosha kuti tizive chii pomumbure packet, iyo inoshanda chidzitiro. Pfungwa, zvose zviri nyore. Network pasuru - ndiwo mashoko ari chinopfuudzwa mukati nemambure sezvo chidhina. Chidzitiro anogamuchira packet sezvo chikwata, muzvikamu zvitatu. Chikamu chokutanga anonzi kuva Header uye rine mashoko pamusoro musi yokusika, rokuti, nechigumbuso kukura, uye zvichingodaro. D. Chikamu chechipiri chauchakurumidza kugutsikana, uye wechitatu inonzi nekuguma, uye anotakura mashoko inobvumirana kuti panguva nokupfuuridzirwa chikwata haina chakagadziridzwa ne divi.

Zvakarurama kuchengetedzwa

Kana wokutanga mhando wokudzivirira zvinoshanda mashoko anosvika pachako kombiyuta kubva kunze, mumwe mhando basa watopiwa yakaiswa pamusoro PC yenyu. Urongwa hwakadaro vamwe mitemo anoshanda. Zvisinei, zvinokosha kuziva kuti kuongorora hwaakange chidzitiro achaita chisarudzo, zvazvinosarira zvakafanana sokune samambure kudzivirirwa.

Asi vamwe kusiyana achiripo. Inoitwa pakuti, kuwedzera kushanda pakuvheneka chairema mashoko, mashoko firewall zvichabviswa kuongororwa uye software inoda kuwana mashoko kana kuti ugozvitumira. nhamba yakadaro ine macheki uye mitemo inodzora kudzivirirwa chirongwa achibvumira ruzivo vanoshandisa kuti gadzirisa kudzivirira PC chako chikuru chechetere.

Firewall uye Zona

PaIndaneti pane zvirongwa zvakawanda anokurumidza kugutsikana download. Mumwe wavo anonzi Zona. software iyi kunoita kuti kukopa yakawanda mafirimu, mukuru-nokukurumidza mitambo kana zvirongwa, asi vamwe vanoshandisa vakanyunyuta kuti chirongwa yakarega kushanda kana firewall dzikava pamusoro, kureva huripo tsikidzi kuvhura Server. Kukundikana uku - mugumisiro kushanda kuchengeteka hurongwa.

Kuti varege kudzima chidzitiro, asiwo kuti kushanda Tracker, unofanira kuchinja chinhu. Pakarepo pashure akatendeuka pane kuidzivirira inokurukura kuti ruvengo chirongwa - nharaunda iyi. Configuring ari firewall ane okubhadhara, unonzi "Kakawanda." Kuti kuronga basa Tracker uye kubvisa kukanganisa, unofanira kuita nayo izvi chete kunze. Location Kurongwa dzingasiyana zvichienderana chidzitiro shanduro uye chokwadi kana iri firmware kana munyemba.

sikirini basa

The firewall wakagarira kugadzirisa zvimwe mabasa anokosha chaizvo. Chii basa rinoitwa nevanhu firewalls namarudzi kugadzwa?

• Chokutanga Basa kwakadaro ndiko kudzivirira mukati duku network, Somuenzaniso, makambani kubva chero zvekunze kupindira. Zvinofanira kucherechedzwa kuti urongwa asingadi kusiyanisa zvokunze kana zvemukati vanoshandisa. Ongorora zvichava zvakafanana vashandi chekambani, vadyidzani, uye hackers kuedza kupinda nemambure.
• Chechipiri chine - ndiwo mutemo mapindiro munyika vanoshandisa nechitarisiko kupfuma. Nemamwe mashoko, unogona kugadzira ari firewall zvokuti yaivhara kuwana kubva hrs pasi yayo kuzvidzora kuti zviwanikwa kuti havadikanwi kuita basa.

Zvinofanira kucherechedzwa kuti pari zvino hakuna vakawanda kupatsanura purogiramu uye mano akadaro.