ExpressVPN ekwuputala mmejuputa isi mmalite nke usoro Lightway, nke emebere iji nweta oge nhazi njikọ dị ntakịrị ma na-ejigide nchekwa na ntụkwasị obi dị elu. Edere koodu ahụ n'asụsụ C wee kesaa n'okpuru ikike GPLv2. Mmejuputa a na-enwe oke kọmpat ma dabara n'ime ahịrị koodu puku abụọ. Nkwado ekwuputara maka Linux, Windows, macOS, iOS, nyiwe gam akporo, ndị na-anya ụgbọ elu (Asus, Netgear, Linksys) na ihe nchọgharị. Mgbakọ chọrọ iji usoro mgbakọ ụwa na ceedling. A na-achịkọta mmejuputa a dị ka ụlọ akwụkwọ ọbá akwụkwọ ị nwere ike iji tinye ndị ahịa VPN na ọrụ nkesa na ngwa gị.
Koodu ahụ na-eji arụrụ arụ ọrụ nke ọma, nke egosipụtara n'ọbá akwụkwọ wolfSSL, ejirila ya na ngwọta akwadoro FIPS 140-2. Na ọnọdụ nkịtị, protocol na-eji UDP maka nnyefe data yana DTLS mepụta ọwa nkwukọrịta ezoro ezo. Dị ka nhọrọ iji hụ na arụ ọrụ na netwọk UDP na-enweghị ntụkwasị obi ma ọ bụ na-egbochi, ihe nkesa na-enye ihe a pụrụ ịdabere na ya karị, ma jiri nwayọọ nwayọọ, usoro mgbasa ozi na-enye ohere ịnyefe data n'elu TCP na TLSv1.3.
Nnwale nke ExpressVPN mere gosiri na ma e jiri ya tụnyere usoro iwu ochie (ExpressVPN na-akwado L2TP/IPSec, OpenVPN, IKEv2, PPTP, WireGuard na SSTP, mana akọwaghị ihe atụnyere kpọmkwem), ịgbanye na Lightway belatara oge nhazi njikọ na nkezi 2.5 ugboro (na. ihe karịrị ọkara nke ikpe a na-emepụta ọwa nkwukọrịta n'ihe na-erughị otu sekọnd). Usoro ọhụrụ ahụ mekwara ka o kwe omume ibelata ọnụ ọgụgụ nkwụsị njikọ site na 40% na netwọk mkpanaka na-enweghị ntụkwasị obi nke nwere nsogbu na àgwà nkwurịta okwu.
A ga-eme mmepe nke ntinye akwụkwọ ntinye akwụkwọ na GitHub, na ohere maka ndị nnọchiteanya obodo na-ekere òkè na mmepe (iji nyefee mgbanwe, ị ga-abanyerịrị nkwekọrịta CLA na ịnyefe ikike ikike na koodu). A na-akpọkwa ndị na-enye VPN ndị ọzọ ka ha kwadoo, n'ihi na ha nwere ike iji usoro akwadoro na-enweghị mmachi.
A kwadoro nchekwa nke mmejuputa ya site na nyocha nyocha onwe onye nke Cure53 mere, bụ nke na-enyocha NTPsec, SecureDrop, Cryptocat, F-Droid na Dovecot n'otu oge. Nyocha ahụ kpuchiri nkwenye nke koodu isi mmalite ma tinye ule iji chọpụta adịghị ike nwere ike (okwu metụtara cryptography anaghị atụle). N'ozuzu, àgwà nke koodu ahụ bụ nke dị elu, ma, n'agbanyeghị, ule ahụ gosipụtara adịghị ike atọ nke nwere ike iduga ịgọnarị ọrụ, na otu adịghị ike nke na-enye ohere iji protocol mee ihe dị ka ụda okporo ụzọ n'oge ọgụ DDoS. Edoziworị nsogbu ndị a, ma eburu n'uche na-ekwu maka imezi koodu ahụ. Nyocha ahụ na-elelekwa adịghị ike na okwu ndị a ma ama na akụkụ ndị ọzọ metụtara, dị ka libdnet, WolfSSL, Unity, Libuv na lua-crypt. Okwu ndị a na-adịkarị obere, ewezuga MITM na WolfSSL (CVE-2021-3336).
isi: opennet.ru