Kuyini i-firewall?

Uma umnikazi we-ikhompuyutha exhunywe kwi- Inethiwekhi yomhlabajikelele yama- Inthanethi, akazi ukuthi i-firewall kanye akanakubekwa zinyathelo ukuvikela ulwazi ngokungadingekile engozini. Ngokwezibalo, ikhompyutha ne izimbobo evulekile (kungekho firewall) isengozini yokutheleleka njalo ngemva kwemizuzu engu-2-5.

Iqiniso lokuthi kukhona omningi ezahlukene malware, wezwa konke. Indaba mayelana nokungaba yingozi kwesinye sibi kakhulu. Nakuba focus ray CRT qapha ngesinye isikhathi noma sula BIOS chips isikhathi eside esikhathini esidlule, noma kunjalo, indawo inzuzo engokoqobo ngoba Abadali malware, ayezidinga ku-inthanethi ukuvikela idatha kwi computer kuyadingeka.

Ngaphambi kokuba siphendule lo mbuzo, "Yini i-firewall", kumele ucacise ukuthi amagciwane futhi lokuvikela - yizinto ezimbili ezahlukene. Musa ukudida migomo! Ingxenye amagciwane asakazwa ifayela elinegciwane e uhlelo "ukuhlanzeka". Futhi akunandaba ukuthi ubani-ke uqala uhlelo elinegciwane - umsebenzisi noma ohlelweni lokusebenza (uMazidlalele). Kodwa okunye okungenziwa isetshenziswa ukusakaza inethiwekhi global ngaphandle kokudinga isiqalo ngqo. Ngokusobala, uma uhlelo lokuqala ingaze samagciwane, inethiwekhi ezifweni, zingabantu cishe engenamandla.

Ukuze siphendule lo mbuzo, "Yini i-firewall", cabangela isibonelo esilula. A ikhompuyutha exhunywe kwi-inethiwekhi - lena endlini nge amawindi amaningi iminyango. Ezinye iminyango alungele izivakashi, njengoba ilungile egumbini lokuphumula, kuyilapho abanye - I-amakati nezinja, njll Same amafasitela :. Omunye kumele kube njalo ajar, njengoba ewela by intambo, ngosizo lapho umntwana ukhuluma nomngane, umakhelwane kanye nezinye ivulekile ngezikhathi ezithile, kanti eyesithathu - kwavulwa amehlo ezimpumputhe. Kusobala ukuthi ukuba abagcine bonke "uvulekile" - kuyingozi ngempela, ngoba ngisho nesela kalula alethe ekhaya lutho.

Kwamafasitela neminyango lesi sibonelo - a nezimbobo inethiwekhi yekhompyutha. Uma umsebenzisi akazi ukuthi i-firewall nokuthi akazange setha uhlelo efanayo, wonke nezimbobo zivuliwe. Ngabo ungakwazi ukufinyelela ulwazi kwikhompyutha yakho: nje ukweba noma ikhodi enonya ukungena ohlelweni. I firewall wuhlelo ekhethekile ukumboza nezimbobo "extra" futhi kuvumela ukulungisa umsebenzi ne ezidingekayo. Ngu Isifaniso nendlu - unogada, ukunquma ngokunembile lapho wamukelekile isivakashi, futhi lapho - akukho. Igama livela ngesiNgisi. Firewall (umlilo odongeni). Ngezinye izikhathi kukhona firewall eside - emagama lafanako German. Hlola nezimbobo sekhompyutha can 2ip kusayithi Russian.

A firewall iyingxenye yesimiso windose, kodwa kungenye into ehluke kakhulu elula, ngakho-ke kuhle ukuba banake imikhiqizo okukhethekile. Iningi labo, futhi wonke umuntu uzothola isixazululo esingcono kakhulu.

Abasebenzisi abafisa ukuvikela ngokugcwele ulwazi kwikhompyutha yakho, kubalulekile ukuzama ukusizakala ihlanganiswe amakhambi e-software. Ngokuvamile kusihloko yabo izwi «Ukuphepha». Ngokwesibonelo, Kaspersky Internet Security, Comodo Internet Security, Norton Internet Security, kanjalonjalo. Lezi zinhlelo ukuhlanganisa izinga anti-virus kanye firewall. Nokho, eziningi zalezi izixazululo anikezwa nsuku ikhokhwe. Ngesikhathi esifanayo, kukhona kokubili izinhlelo zokuvikela mahhala futhi software unqulo wesi arab. Ngakho, ngo-kulungiselelwa, isibonelo, unqulo wesi arab AVIRA Free (free), kanye Comodo firewall, ungakwazi ukuhlela isivikelo ngokumelene izinhlelo ezinonya. Zonke izinhlelo zokuvikela kuyizinto ezihlukahlukene esingaba nezingxoxo izici zokuphepha, ngakho ngaphambi ukukhetha sokugcina zama akhethiwe "ukhetho". Ngokwesibonelo, i-firewall, oyingxenye Dr.Web, uma uzama nezinhlelo ukuze ungene kuhleloxhumano, ubonisa ibhokisi lengxoxo ne ongakhetha senzo. Lokhu kungaba wusizo uma uhlelo 'engenalo ukufuna "ufuna ukuthola inthanethi.