Lub Electronic Frontier Foundation (EFF), uas yog ib tus tsim ntawm cov ntawv pov thawj tsis muaj txiaj ntsig Let's Encrypt,
Certbot tso cai rau koj tsis tsuas yog ua kom tau txais daim ntawv lees paub thiab rov ua dua tshiab ntawm daim ntawv pov thawj, tab sis kuj tseem tsim cov chaw npaj npaj rau kev teeb tsa kev ua haujlwm ntawm HTTPS hauv Apache httpd, nginx thiab haproxy nyob rau hauv ib puag ncig ntawm ntau yam Linux faib thiab BSD systems, nrog rau. txhim kho kev xa tawm ntawm kev thov los ntawm HTTP mus rau HTTPS. Tus yuam sij ntiag tug rau daim ntawv pov thawj yog tsim los ntawm tus neeg siv sab. Nws muaj peev xwm thim rov qab tau txais daim ntawv pov thawj yog tias lub kaw lus raug cuam tshuam.
Tau qhov twg los: opennet.ru