An bayani na loopback IP address / localhost
Adireshin IP 127.0.0.1 shine adireshin IPv4 na musamman-da ake kira localhost ko adireshin loopback . Duk kwakwalwa suna amfani da wannan adireshin a matsayin nasu amma bazai bari su sadarwa tare da wasu na'urori kamar na ainihin IP address ba.
Kwamfutarka na iya samun adireshin IP mai zaman kansa na 192.168.1.115 wanda aka ba shi don ya iya sadarwa tare da na'ura mai ba da hanya tsakanin hanyoyin sadarwa da wasu na'urori masu layi. Duk da haka, har yanzu tana da wannan mahimmanci 127.0.0.1 adireshin da aka haɗe shi zuwa ma'anar "wannan kwamfutar," ko wanda kake a yanzu.
Adireshin loopback ne kawai ana amfani dashi da kwamfutar da kake ciki, kuma kawai don yanayi na musamman. Wannan ba sabanin adireshin IP na yau da kullum da ake amfani dashi don canja wurin fayilolin zuwa kuma daga wasu na'urori na intanet.
Alal misali, uwar garken yanar gizon dake gudana a kan kwamfuta zai iya nunawa zuwa 127.0.0.1 domin shafukan yanar gizo za a iya aiki a gida sannan kuma an gwada su kafin a tura su.
Ta yaya 127.0.0.1 Ayyuka
Duk sakonnin da software na TCP / IP ya samar ya ƙunshi adiresoshin IP ga masu karɓa da aka zaɓa; TCP / IP ya gane 127.0.0.1 a matsayin adireshin IP na musamman. Wannan yarjejeniya ta duba kowane saƙo kafin aika shi a kan hanyar sadarwar ta jiki sannan kuma ta sake amfani da shi ta atomatik duk saƙonni tare da makoma na 127.0.0.1 zuwa ƙarshen karɓar TCP / IP.
Don inganta tsaro na cibiyar sadarwar, TCP / IP kuma yana duba saƙonni masu zuwa wanda ya isa kan hanyoyin ko wasu hanyoyin shiga yanar gizo kuma ya watsar da duk wanda ya ƙunshi adireshin IP ɗin loopback. Wannan yana hana mai haɓaka hanyar sadarwa daga ɓarna hanyoyin haɗar hanyar sadarwa mara kyau kamar yadda yake fitowa daga wani adireshin loopback.
Kayan aiki aikace-aikacen yana amfani da wannan mahimmancin fasali don dalilai na gwaji na gida. Saƙonni da aka aika zuwa loopback IP adiresoshin kamar 127.0.0.1 kada ku isa waje zuwa cibiyar sadarwa na gida (LAN) amma a maimakon haka ana kai tsaye zuwa TCP / IP kuma ana karɓar jigilar kamar yadda suka zo daga wani tushe waje.
Loopback saƙonni sun ƙunshi tashar tashar tashar tashar jiragen ruwa baya ga adireshin. Aikace-aikace na iya yin amfani da waɗannan tashar tashar jiragen ruwa don rage saƙonnin gwaje-gwaje a cikin jinsunan da yawa.
Localhost da IPv6 Loopback Adireshin
Sunan mai suna kuma yana da mahimmanci na ma'anar sadarwar kwamfuta da aka yi amfani da ita tare da 127.0.0.1. Kayan aiki na Kwamfuta yana kula da shigarwa a cikin fayilolin mai watsa labaran da suka haɗa sunan tare da adireshin loopback, yana taimakawa aikace-aikacen don ƙirƙirar saƙonni na baya-baya ta hanyar suna fiye da lambar tsararru.
Internet Protocol v6 (IPv6) yana aiwatar da wannan ra'ayi na wani adireshin loopback kamar IPv4. Maimakon 127.0.0.01, IPv6 tana wakiltar adireshin da aka ba shi kawai kamar: 1 (0000: 0000: 0000: 0000: 0000: 0000: 0000: 0001) kuma, ba kamar IPv4 ba, ba ya raba adadin adiresoshin ga wannan dalili.
127.0.0.1 vs. Wasu Adireshin IP na Musamman
IPv4 tana adana duk adireshin a cikin kewayon 127.0.0.0 har zuwa 127.255.255.255 domin amfani da gwaji a madaidaiciya, ko da yake 127.0.0.1 shine (ta hanyar tarihin tarihin) adireshin da aka yi amfani dasu a kusan dukkanin lokuta.
127.0.0.1 da sauran adireshin cibiyar sadarwar 127.0.0.0 ba su kasance cikin kowane adireshin IP ɗin masu zaman kansu ba a cikin IPv4. Ana iya sadaukar da kowane mutum a cikin waɗannan jeri na sirri don na'urori na cibiyar sadarwa na gida da kuma amfani da sadarwa ta hanyar sadarwa, yayin da 127.0.0.1 ba zai iya ba.
Wa] anda ke karatun yanar sadarwar yanar-gizon, sukan raunana 127.0.0.1 tare da adireshin 0.0.0.0 . Yayin da dukansu suna da ma'anoni na musamman a cikin IPv4, 0.0.0.0 ba ya samar da ayyuka na loopback.