Fanko tebur VPN ba ya hana kome da kansa

Ƙa’idar manufa tana aika fakiti masu alama zuwa tebur na musamman, kuma yadda aka saba tsammani shi ne cewa rasa hanyar VPN yana hana su. Injin yana yin wani abu dabam. Lokacin da tebur ba shi da hanyar da ta dace, binciken yana ci gaba zuwa ƙa’ida ta gaba maimakon tsayawa, kuma tebur main har yanzu yana riƙe da tsohuwar hanyar da aka saba don uplink. Sakamakon shine saitin da yake kama da fail-closed amma yana aiki kamar fail-open.

Babu abin da ya lalace; haka aka bayyana tsarin tafiyar da manufa.

Bincike yana ci gaba lokacin da tebur ba shi da kome

100:   from all fwmark 0x36 lookup 42
110:   from all fwmark 0x36 lookup default
32766: from all lookup main

Ɗauki wannan jerin ƙa’idoji: bincike mai alama yana zuwa tebur 42, kuma ƙa’ida ta gaba tana aika alamar guda zuwa tebur mai suna default. Muddin tebur 42 yana riƙe da hanyar da aka saba mai amfani, bincike na farko yana ba da hanyar. Lokacin da wannan hanyar ta ɓace kuma babu wani abu a tebur 42 da ya dace, binciken ba ya zama watsi; aikin yana ci gaba zuwa ƙa’ida ta gaba, kuma idan ita ma ba ta sami kome ba, yana kaiwa tebur main. Babu abin da ke cikin wannan jerin da ke ba da labarin wace ƙa’ida ce ta bayar da amsar ƙarshe, don haka haɗin da ke aiki yana kama da manufar da ke aiki.

Tebur 253, wanda aka saba kiransa default, talakawan tebur ne na tafiyar da hanyoyi kuma yawanci fanko ne. Sunansa ba umarni ba ne na watsar da fakiti, kuma ba daidai yake da hanyar manufa ta asali a cikin tebur ba.

Ayyukan ƙarshe suna kawo ƙarshen bincike

100:   from all fwmark 0x36 lookup 42
110:   from all fwmark 0x36 prohibit
32766: from all lookup main

Ƙa’ida ta ƙarshe na iya biyo bayan binciken VPN maimakon bincike a cikin fankon tebur. Da alamar guda, aikin prohibit da aka sanya bayan ƙa’idar tebur 42 yana kawo ƙarshen bincike lokacin da wannan tebur bai bayar da kome ba, yana mayar da ƙin gudanarwa maimakon ba tebur main wata dama. Unreachable da blackhole ma na ƙarshe ne, da halin kuskure dabam ga mai aikawa.

Hanyar nau’in throw ta bambanta: a cikin wannan tebur tana aiki kamar babu abin da ya dace, don haka ƙa’idoji na gaba har yanzu suna samun nasu jeren. Wannan yana sa throw ya zama mai amfani ga koma baya da gangan kuma ba daidai ba a matsayin shinge na ƙarshe.

Tabbatar da ainihin alama da mahallin sadarwa

ip -4 rule show
ip -4 route show table 42
ip -4 route get 198.51.100.20 from 10.44.0.2 iif lan0 mark 0x36

Duba ainihin ƙa’idoji da tebur maimakon zane, sannan ka tambayi kwararar da ainihin mahallin tushe, alama da shigarwa da take da shi. Bincike na karatu kawai wanda aka nufa zuwa manufa, wanda aka gaya wa adireshin tushe, mahallin sadarwa da alama, yana bayar da labarin hanyar da kernel zai zaɓa ba tare da fakiti ya fita ba. Bayar da alama a cikin tambaya ba ya tabbatar da cewa garkuwar wuta tana yi wa ainihin zirga-zirga alama; wannan duba ce ta dabam na ƙa’idojin yin alama. Tabbatar da ƙimar da mai ƙidaya ko log kafin ka yanke shawara daga tambayar.

Buƙatun da aka ƙirƙira a cikin gida suna buƙatar nasu mahallin, domin hanyar yin alama ta su takan bambanta da ta zirga-zirgar da aka tura. Duba su da mahallin fitarwa da aikace-aikacen zai yi amfani da shi da gaske.

Yanayin gazawa biyu, ba ɗaya ba

Ɗaya daga cikin yanayin gazawa shi ne ɓacewar hanyar VPN da zirga-zirgar ta faɗi zuwa uplink. Mataccen rami wanda hanyarsa ta kasance a shigar yana wani: fakiti suna ci gaba da fuskantar hanyar da ba ta da amfani maimakon faɗuwa, kuma alamar ita ce asara ta shiru maimakon haɗi kai tsaye da ake gani. Gwada duka biyun, kuma gwada halin farawa, sake haɗawa da dakatar da sabis.

Irin wannan ƙa’ida tana taimakawa ne kawai muddin tana nan kuma muddin fakiti suna ɗauke da alamar da ke zaɓe ta. Rubutun kashewa da ke share ƙa’idar, ko hanyar da ke cire alamar, tana maido da halin buɗe. Waɗannan miƙa mulki sun cancanci atisaye.

Yi amfani da manufar ga IPv6 daban, kuma ka riƙe keɓancewar ƙarshen wuri da aka amince da su a bayyane maimakon a fakaice.