VPN na sake haɗawa lokacin tuƙi: canjin rediyo ko canjin IP?
Miƙa tsakanin hasumiya na iya barin hanyar IP lafiya. Kwatanta abokan ciniki da suke motsa rami da waɗanda suke sake gina shi, kuma karanta al'amarin cibiyar sadarwa, ba tafiya ba.
Kiran yana yankewa lokacin da ka wuce gefen gari, kuma alamar VPN tana ɓacewa a daidai wannan lokaci. Yana da ban sha'awa rubuta hakan a matsayin “canjin hasumiya ya kashe rami”. Abubuwa biyu daban-daban sun faru, kuma ɗaya ne kawai daga cikinsu ya shafi hasumiya. Miƙa rediyo na iya barin adireshin IP ɗinka, hanyar da aka saba da kuma zaman ya kasance cikakke lafiya, yayin da ainihin canjin adireshi zai karya duk wani rami da ba zai iya tafiya da shi ba. Kwatanta yadda abokan ciniki suke magance wannan lamari na biyu shine darasi mai amfani, domin yana gaya maka ko kana ganin ɗabi'a da aka tsara ko kuskure.
Canjin hasumiya ba lallai ba ne canjin adireshi
Cibiyoyin sadarwa na wayar hannu suna kiyaye zaman fakiti a raye yayin miƙawa muddin anga motsi na mai bayarwa ya kasance ɗaya. Hanyar rediyo tana canzawa, ramin ba ya lura, kuma babu sake haɗawa da ya kamata ya bayyana a kowane log. Wannan shine al'amarin da aka saba don motsi cikin gari.
Abin da ke canza adireshin shine motsi tsakanin anga, canzawa daga Wi-Fi zuwa wayar hannu, ko sake kafa ramin a ɓangaren mai bayarwa bayan dogon hutu. Waɗannan al'amura suna maye gurbin adireshin tushe da fakiti ɗinka ke ɗauka, kuma abokin VPN yana ganin abokin da ya motsa.
Sakamakon a aikace shine motsi ba hujja ba ne. Na'urar da ta yi tafiyar kilomita arba'in tana iya kasancewa ta riƙe adireshi ɗaya duk hanyar, kuma na'urar da ke tsaye tana iya kasancewa ta canza adireshi sau biyu saboda cibiyar sadarwa ta yanke hukunci haka. Rubuta al'amarin shine hanya ɗaya tilo ta bambance su.
Zane-zane biyu: motsa ramin ko sake gina shi
Abokan ciniki sun bambanta a yadda suke damuwa cewa tushen waje ya canza. Wasu suna ɗaure ramin ga adireshin da aka gina shi a kai kuma suna buƙatar cikakken sake kafawa. Wasu suna tabbatar da kowane fakiti da kansa kuma suna sabunta inda suke aika amsoshi kawai.
| Mechanism | Behaviour after the source changes | What the user notices |
|---|---|---|
| WireGuard | Endpoint updated on the next authenticated packet | Usually nothing; the tunnel continues |
| IKEv2 with MOBIKE | Security association moves to the new address | Short pause, no re-authentication |
| OpenVPN over UDP with float | Peer address may change without a restart | Might survive, depending on timing |
| Client bound to one address | Session dies and is rebuilt | A visible reconnect and a new authentication |
Layin sama yana bayyana rahotanni da yawa masu ruɗani. WireGuard ba shi da zaman da za a karye: kowane fakiti yana ɗauke da lissafin abokin kuma ana tabbatar da shi, don haka ingantaccen fakiti da ya zo daga sabon adireshi a ma'anar daga wannan abokin ne, kuma wurin ƙarshe da aka rubuta yana binsa. Abokin ciniki da ke nuna “an haɗa” ci gaba da ci gaba a tafiya yana faɗin gaskiya.
Layin ƙasa ma ba laifi bane. Sake gina zaman yana sake gudanar da tabbaci akan adireshin yanzu, wanda shine ainihin abin da kake so lokacin da tsohon adireshin zai iya zama na wani.
Duba al'amarin maimakon motsi
A Android ɓangaren haɗin yana ba da rahoton canje-canjen cibiyar sadarwa a matsayin al'amura, kuma waɗannan ne ya kamata ka haɗa da ɗabi'ar abokin ciniki. Fitarwa yana da tsawo, amma sassan da suka dace sune cibiyar sadarwa ta asali da adireshinta:
adb shell dumpsys connectivity | grep -E 'NetworkAgentInfo|Default network'
adb shell ip -br addr show
adb logcat -b main -s Vpn:* | head -n 40
A ɓangaren uwar garke akwai ma'auni kai tsaye don yanayin yawo. WireGuard yana adana wurin ƙarshe da aka tabbatar na ƙarshe ga kowane abokin, don haka canjin adireshi yana bayyana a matsayin darajar da ta canza maimakon sake haɗawa:
sudo wg show wg0 endpoints
sudo wg show wg0 latest-handshakes
Kwatanta wurin ƙarshe kafin da bayan tafiyar. Idan adireshin da tashar ba su canza ba, ramin bai buƙaci yin komai ba kuma sake haɗawa ya zo daga wani wuri, yawanci aikace-aikacen. Idan wurin ƙarshe ya canza yayin da hatimin lokacin musafaha ya kasance kusa da tazarar sabunta maɓalli ta al'ada, ramin ya motsa maimakon sake farawa.
Sake farawa yana kama da wani abu: hatimin lokacin musafaha yana komawa zuwa lokacin sake haɗawa, kuma abokin ciniki yana rubuta jerin farawa maimakon ci gaba a hankali.
Lokacin da sake haɗawa shine ɗabi'ar da ta dace
Ɗaukar kowace sake haɗawa a matsayin kuskure yana kaiwa ga saituna da ke kiyaye matattun zama a raye. Abokin da adireshinsa ya canza saboda cibiyar sadarwa ta sake raba shi bai kamata ya ci gaba da karɓar zirga-zirga don tsohon taswira ba, kuma abokin ciniki da ke ci gaba a shiru na iya ƙarewa yana aikawa cikin rami mai duhu yayin da alamar ta kasance kore.
Kwatanta gazawar biyu daga mahangar mai amfani. Sake haɗawa yana kashe 'yan daƙiƙa da sabon tabbaci. Ramin da ya tsufa yana kashe aikace-aikacen da ke rataye ba tare da kuskure ba, wanda ya fi wuya a bayyana kuma ya fi yiwuwar a ba da rahoton a matsayin “intanet ta lalace”.
A ƙarƙashinsa akwai tambaya game da manufa. A cikin tazarar da ke tsakanin rasa hanya ɗaya da kafa wata, wasu abokan ciniki suna komawa zuwa aika zirga-zirga kai tsaye. Hana hakan wani iko ne daban da dawo da kai, kuma abokin ciniki na iya yin kyau a ɗaya kuma ya yi muni a ɗayan. Yanke shawara abin da kake buƙata kafin ka daidaita ɗaya.
Rubuta jerin da aka gani
Rahoto mai amfani yana ambaton tushen al'amarin: canjin cibiyar sadarwa ta asali tare da sabon adireshi, canzawa daga Wi-Fi zuwa wayar hannu, ko miƙa ba tare da wani canjin adireshi ba. Sannan ya faɗi abin da abokin ciniki ya yi, tare da hatimin lokaci daga ɓangaren uwar garke maimakon tunawa.
Idan ramin ya motsa, faɗi haka kuma ka rubuta sabon iyali na wurin ƙarshe. Idan an sake kafa shi, rubuta ko tabbacin ya yi nasara a ƙoƙari na farko da kuma tsawon tazarar. Waɗannan gaskiyoyi uku suna bambanta ingantaccen zane na wayar hannu da abokin ciniki da ke ta faman tsakanin cibiyoyin sadarwa.
Kuma ka guje wa kalmar “canjin hasumiya” sai dai idan log ɗin na'urar ya tabbatar da hakan da gaske. Takardun haɗin Android suna bayyana kiran dawowa da ke bambanta samuwa da canjin cibiyar sadarwa ta asali, kuma wannan bambanci shine abin da rahotonka ke buƙata. Duk sauran labari ne game da tuƙi.