DNS na hasumiyar fitila ta Nebula: wa zai iya tambayar wane bayanai?
Mai saurare na zaɓi yana amsa daga bayanan masaukai da hasumiyar take da su. Binciken bayanan A da TXT sun bambanta a isarsu da masu sauraro, don haka ɗaure shi da gangan.
Aikin hasumiyar fitila a Nebula yana yin ayyuka da yawa da mutane suke ɗauka cewa na atomatik ne, kuma amsa DNS ba ɗaya daga cikinsu ba ne. Ba da sunaye mai saurare ne na zaɓi wanda ke farawa a kashe, wanda shi ya sa maɗaukin da ke warwarewa da kyau a cikin overlay yana iya rashin abin da zai warware kwamfutar tafi-da-gurguwar aboki. Kafin ku kunna shi, ku yanke shawara wanda ya kamata ya same shi da waɗanne nau'ikan bayanai kuke shirye ku amsa, domin waɗannan amsoshi biyu sun bambanta.
Mai saurare na zaɓi ne kuma a kashe yake ta tsohuwa
Ganowa da DNS ayyuka ne daban. Hasumiyar tana taimaka wa takwarorinsu su sami juna kuma tana iya ƙari da amsa tambayoyin suna game da masaukai da ta sani, amma wannan sashe na biyu dole a kunna shi a fili a cikin saitin.
Ku yanke shawara waɗanne muƙamai da cibiyoyin sadarwa ya kamata su isa mai saurare kafin ku kunna wani abu. Sabis ɗin DNS da ke amsa a muƙami da ba ku nufa ba yana zama ƙaramin ɓarkewar bayanai ba tare da wani rikodin log ɗin da wani zai karanta ba. Yanke shawarar yanzu ya fi sauƙi da tsada fiye da taƙaita ta daga baya, bayan wani abu ya dogara da amsa mara kyau. Layi biyu na saiti sun fi sauƙin bayar da hujja fiye da rubutun wani lamari bayan wata shida.
Bayanan A da TXT ba sa raba masu sauraro
Ana amsa waɗannan nau'ikan bayanai biyu a yanayi daban-daban, kuma ɗaukar su a matsayin sabis ɗaya ita ce kuskuren da wannan labarin ya kasance don hana shi.
| Query | What it returns | Who can reach it |
|---|---|---|
| A record for a host name | That host Nebula IP | Any host that can reach the listener, overlay or not |
| TXT for a host IP | Certificate information | Only over the Nebula network |
Wannan rashin daidaito da gangan ne ba sakaci ba. Haɗa suna da adireshi yana da ƙarancin amfani ga baƙo, yayin da bayanan takardar shaida ke bayyana ainihi a cikin overlay ɗinku. Kada ku ɗauki zato daga layi ɗaya zuwa wani kawai saboda tsari ɗaya yana amsa duka biyu.
Yana amsa ne kawai game da masaukai na hasumiyar da kanta
Wannan ba cikakken mai warwarewa ba ne ga ofishinku, VPC ɗin girgijenku ko intanet ɗin jama'a. Hasumiyar tana amsa daga bayanan masaukai da aka ba ta, wanda shi ya sa fasalin ke rayuwa a nodes ɗin hasumiya maimakon a kowane takwara.
Lokacin da suna ya kasa warwarewa ba tare da wata alaƙa da overlay ba, ku nemo yankin da mai warwarewar da suka mallake shi da gaske. Haɗa mai warwarewar overlay a cikin saitunan DNS na gama-gari na maɗauki yana haifar da gazawa da suke kama da na kwatsam, domin wasu sunaye suna warwarewa wasu kuma babu abin da ke amsa su.
Ku lura da wurin shiga bootstrap kuma. Sunan maɗaukin da ake amfani da shi don isa hasumiyar farko dole ya warware ta hanyar gama-gari kafin ganowa ta dogara da shi, don haka matsalar kaza da kwai a nan tana kama da overlay da ya lalace. Har ma yana ba da rahoto iri ɗaya: takwara da ba ta taɓa tashi ba kuma babu wani bayyanannen dalili. Ku duba warwarewar sunaye kafin ku taɓa takaddun shaida, domin wannan tsari yana kama waɗanda suka fara da rabin mafi wahala.
Ku duba adireshin ɗaurewa, sannan ku gwada daga waje
lighthouse.dns.host da lighthouse.dns.port suna ƙayyade inda sabis ɗin zaɓi yake saurare. Ku sake duba waɗannan ƙimomi tare da katangar wuta ta maɗauki da manufar cibiyar sadarwa, domin adireshin ɗaurewa bayani ne na niyya ba kariya ta tsaro ba da kanta.
dig @10.42.0.1 -p 53 workstation.nebula A +short
dig @10.42.0.1 -p 53 10.42.0.7 TXT +shortKu yi tambaya daga cibiyoyin sadarwar da kuke son ba da izini, ba daga hasumiyar kanta ba. Bincike mai nasara a hasumiyar yana tabbatar da cewa tsarin yana gudana kuma ba ya gaya muku komai game da abin da maɗauki na waje zai iya tambaya, kuma wannan ita ce tambayar da ke da mahimmanci da gaske.
Ku bayyana shi da gangan
Sunaye da bayanan takardar shaida bayanai ne masu amfani na aiki, kuma amfani yana yankewa ta ɓangarori biyu. Ku yanke shawara ko mai saurare ya kasance na overlay ne kawai, waɗanne nau'ikan bayanai za a yarda da su kuma wa zai sake duba saitin idan ya canza.
Sannan ku rubuta shi kusa da saitunan hasumiyar. Mutumin da zai gano gazawar warwarewa a gaba in ba haka ba zai ɗauka cewa sabis ɗin ya kasance a wurin koyaushe. Zai kuma ɗauka cewa koyaushe ana iya isa gare shi daga duk inda ya sami kansa yana gwadawa. Sakin layi ɗaya da ke rubuta adireshin ɗaurewa, cibiyoyin sadarwar da aka yarda da su da nau'ikan bayanai yana ceto wa mutumin la'asar ɗaya kuma yana ceto muku saƙon da ke tambayar me ya sa wani abu ya canza.