Hi, I use nginx-extras from buster (Debian official repository)
nginx version: nginx/1.14.2 built with OpenSSL 1.1.1c 28 May 2019 (running with OpenSSL 1.1.1d 10 Sep 2019) TLS SNI support enabled configure arguments: --with-cc-opt='-g -O2 -fdebug-prefix-map=/build/nginx-tBUzFN/nginx-1.14.2=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Wdate-time -D_FORTIFY_SOURCE=2' --with-ld-opt='-Wl,-z,relro -Wl,-z,now -fPIC' --prefix=/usr/share/nginx --conf-path=/etc/nginx/nginx.conf --http-log-path=/var/log/nginx/access.log --error-log-path=/var/log/nginx/error.log --lock-path=/var/lock/nginx.lock --pid-path=/run/nginx.pid --modules-path=/usr/lib/nginx/modules --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --with-debug --with-pcre-jit --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module --with-http_auth_request_module --with-http_v2_module --with-http_dav_module --with-http_slice_module --with-threads --with-http_addition_module --with-http_flv_module --with-http_geoip_module=dynamic --with-http_gunzip_module --with-http_gzip_static_module --with-http_image_filter_module=dynamic --with-http_mp4_module --with-http_perl_module=dynamic --with-http_random_index_module --with-http_secure_link_module --with-http_sub_module --with-http_xslt_module=dynamic --with-mail=dynamic --with-mail_ssl_module --with-stream=dynamic --with-stream_ssl_module --with-stream_ssl_preread_module --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-headers-more-filter --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-auth-pam --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-cache-purge --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-dav-ext --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-ndk --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-echo --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-fancyindex --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/nchan --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-lua --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/rtmp --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-uploadprogress --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-upstream-fair --add-dynamic-module=/build/nginx-tBUzFN/nginx-1.14.2/debian/modules/http-subs-filter Le mar. 5 nov. 2019 à 14:46, Thomas Ward <tew...@ubuntu.com> a écrit : > > Can you include the output of `nginx -V` please as well? Part of TLS support > is having a version of NGINX that is compiled against an OpenSSL in the > repositories for the version of Debian you're using which supports TLS1.3, > but that may not be the case in all releases of Debian. > > > Thomas > > > On 11/2/19 1:15 PM, Florent CARRÉ wrote: > > Package: nginx-extras > Version: 1.14.2-2+deb10u1 > > When I modify to have exclusively TLS1.2 and TLS1.3, just TLS1.2 is available. > > Steps to reproduce : > - switch to ssl_protocols TLSv1.2 TLSv1.3 > - restart nginx > - curl -v --tlsv1.3 mydomain.com > > I obtain : > * TLSv1.3 (OUT), TLS handshake, Client hello (1): > * TLSv1.3 (IN), TLS alert, protocol version (582): > * error:1409442E:SSL routines:ssl3_read_bytes:tlsv1 alert protocol version > * Closing connection 0 > curl: (35) error:1409442E:SSL routines:ssl3_read_bytes:tlsv1 alert > protocol version > > And it's available in openssl : openssl ciphers -v | grep " TLSv1\.3 " > TLS_AES_256_GCM_SHA384 TLSv1.3 Kx=any Au=any Enc=AESGCM(256) Mac=AEAD > TLS_CHACHA20_POLY1305_SHA256 TLSv1.3 Kx=any Au=any > Enc=CHACHA20/POLY1305(256) Mac=AEAD > TLS_AES_128_GCM_SHA256 TLSv1.3 Kx=any Au=any Enc=AESGCM(128) Mac=AEAD > > Regards >