Opened 5 years ago
Closed 5 years ago
#1969 closed defect (invalid)
ssl_ecdh_curve avoid 0-RTT
| Reported by: | Owned by: | ||
|---|---|---|---|
| Priority: | major | Milestone: | |
| Component: | nginx-core | Version: | 1.17.x |
| Keywords: | tls1.3 0-rtt ssl_ecdh_curve | Cc: | long76@… |
| uname -a: | |||
| nginx -V: |
nginx version: nginx/1.17.10
built by cl 16.00.40219.01 for 80x86 built with OpenSSL 1.1.1f 31 Mar 2020 TLS SNI support enabled configure arguments: --with-cc=cl --builddir=objs.msvc8 --with-debug --prefix= - -conf-path=conf/nginx.conf --pid-path=logs/nginx.pid --http-log-path=logs/access .log --error-log-path=logs/error.log --sbin-path=nginx.exe --http-client-body-te mp-path=temp/client_body_temp --http-proxy-temp-path=temp/proxy_temp --http-fast cgi-temp-path=temp/fastcgi_temp --http-scgi-temp-path=temp/scgi_temp --http-uwsg i-temp-path=temp/uwsgi_temp --with-cc-opt=-DFD_SETSIZE=1024 --with-pcre=objs.msv c8/lib/pcre-8.44 --with-zlib=objs.msvc8/lib/zlib-1.2.11 --with-http_v2_module -- with-http_realip_module --with-http_addition_module --with-http_sub_module --wit h-http_dav_module --with-http_stub_status_module --with-http_flv_module --with-h ttp_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-h ttp_auth_request_module --with-http_random_index_module --with-http_secure_link_ module --with-http_slice_module --with-mail --with-stream --with-openssl=objs.ms vc8/lib/openssl-1.1.1f --with-openssl-opt='no-asm no-tests -D_WIN32_WINNT=0x0501 ' --with-http_ssl_module --with-mail_ssl_module --with-stream_ssl_module |
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Description
if i set ssl_ecdh_curve secp521r1:secp384r1; ssllabs show 0-RTT No
if i comment ssl_ecdh_curve secp521r1:secp384r1; ssllabs show 0-RTT Yes
why? what's different?
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This does not look like a bug in nginx, but rather a question about nginx configuration and, in particular, interaction with ssllabs. For questions, consider using support options available.