Port na'urar daukar hotan takardu da kuma kwamfuta tsaro

Gaskiyar cewa akwai wani tashar jiragen ruwa na'urar daukar hotan takardu shirin, ya san kowane kwamfuta mai amfani. Mene ne ban sha'awa, a sashi bayyana da sanin m gasar a tsakanin masu yi na software da mafita ga kariya da ƙwayoyin cuta. Alal misali, a farkon juyi na riga-kafi software daga Kaspersky Labs ga zaman tare cikin duniya cibiyar sadarwa jagoranci fitar da dama na saƙonnin game da Ana dubawa your kwamfuta tashar jiragen ruwa (dangane da tsanani da aikin tare da hanyar sadarwa albarkatun). A cikin pop-up taga, an bayar da rahoton cewa yunkurin da aka yi wa duba da kuma m naúrar katange. Abin fahimta ne cewa mutane, ganin haka da gargaɗai da yawa game da nasara "neutralization", gama babban yadda ya dace da m shirye-shirye. Abin farin, irin wannan hanyar to jawo hankalin da hankali ga kansa kusan rabu amfani, da kuma da yawa kariya ayyuka gudana a bango.

Kafin neman a abin da na'urar daukar hotan takardu tashar jiragen ruwa, gano tare da wasu sauran Concepts. Port - Wannan sashe na code na data fakiti cibiyar sadarwa (TCP ko UDP), wadda tayi da manufa da kuma fara aikace-aikace. Tunanin cewa wani shirin da aka samar da wani tsarin aiki, wani request domin samun damar zuwa cibiyar sadarwa. A tsarin daukawa fitar da daidaituwa na bada da shirin da kuma tashar jiragen ruwa lamba, abin da ake gyarawa a gare shi. Next, kana aikawa da bayanai fakitoci. Lokacin da samun da martani na tashar jiragen ruwa, da tsarin turawa da ake so shirin bayanai. Abin da ya bada? An waje tashar jiragen ruwa na'urar daukar hotan takardu jami'in dake duba yawan kwamfuta ta cibiyar sadarwa dubawa ta hanyar aika buƙatun. Wannan shi ne wani tabbataccen "jin fita" dubawa, wani irin gwajin. Wannan aiki ba ka damar duba bude tashoshin jiragen ruwa, su sa su katin. Babu shakka, a lokacin da na waje request ga wata rufaffiyar tashar jiragen ruwa babu amsa za su kasance, amma a lokacin da aiki iya gano daidai da abin data yi jira da shirin. Bayan fassara da tashoshin jiragen ruwa da kuma aikace-aikace, da kai hari da kanta ta fara. Hakika, idan yanayi yarda: Tacewar zaɓi aka kaga kuskure, da tashoshin jiragen ruwa ne bude, da dai sauransu Ya kamata a lura da cewa kawai scanning ga kwamfuta tsaro :. Idan kun kasance m a kagara ƙofar gidan, bari shi buga kamar yadda suke so.

Abin da irin hari za a iya za'ayi a irin wannan hanya? Tun da manufa aikace-aikace da aka sani, shi ne mai yiwuwa a samar da wata kunshin a cikin irin wannan hanya da cewa a lokacin da aka sarrafa ta kasa da sabis na cibiyar sadarwa (daemon cewa iyawa cibiyar sadarwa buƙatun), kuma da a san sakamakon. Alal misali, shi ne zai yiwu a cimma cikakken abandonment na sarrafa mai shigowa data fakitoci (DOS hari) ko ma ta amfani da data kasance vulnerabilities sãdu zuwa ga m kisan dokokin a kan manufa na'ura. Sau da yawa musamman forums fili akwai sabis na wucin gadi a kashe wata cibiyar sadarwa hanya (site). Ta yaya wannan ya faru da kuma abin da ya aikata a tashar jiragen ruwa na'urar daukar hotan takardu? Very sauki. Bayan da aka ayyana da sabis shirin, da manufa server aka aiko da wata babbar rafi na ma'ana (shara) bayanai. A sakamakon haka, manyan uwar garke damar akwai wani gwaji da bata lokaci ba a cikin aiki da amfani queries cewa ka farko bukatar "kama" kwarara daga data clogging. Duk da haka, kamar yadda mai mulkin, don kauce wa overloading da farmaki sabis ne na dan lokaci dakatar da gudanarwa. Wannan hanya ake kira mai ruwan tufana.

Kara da tsaro na kwamfutarka za a iya cimma ta installing musamman tsaro software - firewalls. Suna nẽman ɓõyewa daga cikin misali hanyoyin da scanning tashoshin jiragen ruwa, da yin kwamfuta, a gaskiya, ya ganuwa. Ƙyale su kafuwa ba lallai ba ne. Af, da Firewall kunshe a cikin riga-kafi kunshin Class Internet Tsaro.

Duba bude tashoshin jiragen ruwa mafi sauki da taimakon musamman shafukan gane. Just tafi da shi, kuma danna "Scan mashigai" (sunan iya bambanta). Daya sanannun - a Rasha 2ip.