Cibiyar sadarwa sniffer sniffer. Mene ne wani sniffer: description

Mutane da yawa masu amfani da kwamfuta networks, a general, ba a sani ba zuwa ga irin wannan abu a matsayin "sniffer". Mene ne wani sniffer, da kuma kokarin sanin ko a cikin sauki sharuddan wani mafari. Amma da farko, har yanzu bukatar shiga cikin da tsãri da kalmar.

Sniffer: abin sniffer cikin sharuddan harshen Turanci da kuma kwamfuta kayan aiki?

A gaskiya ma, domin sanin yanayin da software ko hardware, kuma software ne sauki yi, idan ka kawai fassara kalma.

Wannan sunan zo daga Turanci kalma sniff (sniff). Saboda haka muhimmancin da Rasha-magana Kalmar "sniffer". Mene ne wani sniffer a cikin fahimtar? "Sniffer" za su iya waƙa da yin amfani da hanyar sadarwa da zirga-zirga, da kuma, kawai sa, wani ɗan leƙen asiri da za a iya tsoma baki tare da aiki na gida ko Internet-daidaitacce networks da extracting da bayanai, yana da bukatar a kan tushen da dama, ta hanyar da canja wurin bayanai ladabi TCP / IP.

Traffic Analyzer: yadda yake aiki?

Ka ce a lokaci daya: sniffer, zama da shi software ko Shareware software bangaren shi ne iya bincika da kuma sakonnin da zirga-zirga (aika da kuma sama) na musamman ta hanyar wani cibiyar sadarwa katin (Ethernet). Abin da ya faru?

A cibiyar sadarwa dubawa ba ko da yaushe kare ta a Firewall (sake - software ko "baƙin ƙarfe"), sabili da haka monitoring na daukar kwayar cutar ko samu data zama kawai wani al'amari m.

A cikin cibiyar sadarwa bayanai da aka ruwaito fadin segments. A cikin daya kashi ake sa ran tura data fakitoci zuwa cikakken dukkan na'urorin da alaka da cibiyar sadarwa. Segmental bayanai da aka gabãtar zuwa magudanar (magudanar), sa'an nan sauya (sauya) da kuma wani concentrator (Hub). Aika bayanai da samar da rarraba fakiti, don haka da cewa karshen mai amfani da samun da alaka da dukan sassa na kunshin tare daidai daga daban-daban hanyoyi. Saboda haka, "sauraron" duk m hanyoyi daga daya mai amfani zuwa wani, ko da hulda da Internet hanya tare da mai amfani zai iya ba kawai samar da damar yin unencrypted data, amma kuma ga wasu m key, wanda kuma za a iya aika a cikin irin wannan tsari na hulda. Kuma a sa'an nan da cibiyar sadarwa dubawa ne gaba daya unprotected, tun can ne baki na wani ɓangare na uku.

Good nufi da qeta a raga?

Sniffers kuma za a iya amfani da cutar da kuma amfani. Ba a ma maganar da mummunan tasiri, shi ya kamata a lura da cewa irin wannan hardware da software tsarin da ake akai-akai amfani da tsarin ma'aikata da suke qoqarin kiyaye hanya mai amfani aiki ba kawai a cikin cibiyar sadarwa, amma kuma da hali a kan Internet cikin sharuddan ziyarci albarkatun kunna downloads uwa kwakwalwa ko aika zuwa gare su .

A hanya don guje da cibiyar sadarwa analyzer, shi ne quite sauki. Sniffer detects mai fita da shigowa zirga-zirga na'ura. A wannan yanayin da muke ba su magana game da ciki ko waje IP. A mafi muhimmanci rarrabẽwa ne da ake kira MAC-adireshin, musamman ga kowane na'urar da alaka da duniya yanar gizo. Wannan shi ya faru a gane kowane inji a kan hanyar sadarwa.

iri sniffers

Amma kuma da iri za a iya raba da dama:

• hardware;
• software.
• hardware da software.
• online applet.

Behavioral definition sniffer online gaban

Nemo guda WiFi sniffer iya zama a kan hanyar sadarwa load. Idan ka ga cewa da canja wurin bayanai, ko da connection ne ba a cewa matakin, wadanda ake da'awar by your ISP (ko damar da na'ura mai ba da hanya tsakanin hanyoyin sadarwa), ya kamata ka kula da shi nan da nan.

A daya hannun, da bada ma iya gudu a sniffer shirin saka idanu zirga-zirga ba tare da mai amfani da ilimi. Amma kamar yadda mai mulkin, da mai amfani ba su ma yi. Amma wata kungiya da samar da ayyuka da kuma haɗi zuwa Intanit, ta haka ne tabbatar da iyakar tsaro ga mai amfani cikin sharuddan ambaliyar interception, kai-aligning abokan ciniki 'bambancin tsara networks, Trojans, kayan leken asiri, da sauransu. Amma irin wannan kudi ne mafi software da kuma musamman sakamako a kan hanyar sadarwa, ko da mai amfani da tashoshi ba.

online albarkatu

Amma musamman m zirga-zirga analyzer iya zama on-line irin. A kan yin amfani da sniffers gina m tsarin Hacking. Technology a ta mafi sauki zaɓi ne don tabbatar da cewa asalin attacker rajistan ayyukan a cikin wani musamman hanya, sa'an nan uploaded to shafin image. Bayan gaskatãwa ga download link ba a cikin online-sniffer, wanda aka aiko zuwa m aka azabtar, misali, a cikin hanyar email ko guda SMS-sako da rubutu kamar "Ka samu gaisuwã ta daga wani abu. Don buɗe hoto (katin gaisuwa), danna kan link. "

Butulci masu amfani danna kan ce hyperlink, inda da kunna ganewa da kuma canja wurin na waje IP-address ga attacker. Tare da ya dace aikace-aikace, ya iya ba kawai ga duk data adana a kwamfuta, amma kuma sauki canza tsarin saituna daga waje, a matsayin gida mai amfani da ba za su ko tsammani, shan irin wannan canji ga tasirin da cutar. Amma shi ke kawai a lokacin da dubawa da na'urar daukar hotan takardu zai ba sifili barazana.

Yadda za a kare da data interception?

Shin yana da WiFi sniffer, ko wani analyzer, tsarin na kariya da m scanning na zirga-zirga ne har yanzu akwai. wani yanayin: sun dole ne a shigar kawai tare da cikakkiyar amincewa a "tapping".

Irin wannan software ne sau da yawa ake kira "antisnifferami". Amma idan ka yi tunani game da shi guda sniffers bincika da zirga-zirga, amma tubalan sauran shirye-shirye da kokarin samun samun dama marar izini.

Saboda haka shi ne istinbadi tambaya: yake da daraja da kuma shigar da wannan software? Mai yiwuwa Hacking by hackers ji ciwo ma fi girma cuta, ko shi zai kulle kansa cewa ya kamata aiki?

A cikin sauki idan da Windows-tushen tsarin kamar yadda kariya ne mafi alhẽri ga amfani da ginannen Firewall (Firewall). Wani lokaci akwai iya zama rikice-rikice da Antivirus shigar, amma shi ne sau da yawa ne kawai ya shafi free kunshe-kunshe. Professional sayi wata-wata ko kunna version of wadannan ƙarara rage su ba.

maimakon wani epilogue

Wannan duk da cewa dangantaka da manufar "sniffer". Mene ne sniffer, ina zaton, domin da yawa gane. A karshe tambaya shi ne da wani: yadda da abubuwan da za su amfani talakawan mai amfani? Kuma cewa a gaskiya a tsakanin matasa masu amfani, wani lokacin za a iya gani da hali to kwamfuta hooliganism. Kuma suka yi zaton cewa hack wani ta "kwamfuta" - shi ne da wani abu kamar wani ban sha'awa gasar ko kai-affirmation. Abin baƙin ciki, babu wani daga cikinsu ba su ma tunani game da sakamakon, kuma a gaskiya domin sanin attacker yin amfani da wannan online sniffer, sosai sauki a cikin bayyanar da IP, misali, a kan Whois shafin. Kamar yadda wani wuri, shi ne gaskiya, wurin bada za a nuna, duk da haka, kasar da kuma birnin domin sanin daidai. Kuma a sa'an nan shi ne kananan: ko dai kira ISP toshe m, wanda ya qaddamar samun dama marar izini, ko damuwa ga kotuna. Zana naka karshe.

Idan shigar shirin definition m tayin, daga cikinsa akwai wani ƙoƙari na samun, wannan shi ne yanayin da cewa yana da sauki. Amma yanzu da sakamakon zai iya zama m, saboda ba dukan, masu amfani da amfani da mai rumfa heh anonymizer ko wakili sabobin, kuma ba su ma suna da wani ra'ayi da yadda za a boye ku IP a kan Internet. Kuma yana da daraja don koyi ...