> On 19 Jul 2019, at 9.59, Maxim Dounin <mdou...@mdounin.ru> wrote: > > Hello! > > On Thu, Jul 18, 2019 at 10:03:24AM -0700, Palvelin Postmaster via nginx wrote: > >> we’re getting random SSL_write() failed errors on seemingly >> legitimate requests. The common denominator seems to be they are >> all for static files (images, js, etc.). >> >> Can anyone help me debug the issue? >> >> Here’s a debug log paste for one incident: >> https://pastebin.com/ZsbLuD5N >> >> Our architecture is: Amazon ALB > Nginx 1.14 > PHP-FPM 7.3 > > The following debug log: > > 2019/07/18 19:27:25 [debug] 1840#1840: *2037 SSL_write: -1 > 2019/07/18 19:27:25 [debug] 1840#1840: *2037 SSL_get_error: 6 > 2019/07/18 19:27:25 [crit] 1840#1840: *2037 SSL_write() failed (SSL:) while > sending response to client... > > suggests that this is due to error 6, that is, > SSL_ERROR_ZERO_RETURN. This looks strange, as we haven't seen > this error being returned from SSL_write(), but might be > legitimate. In theory this can happen if nginx got a close notify > SSL alert while writing a response, and probably have something to > do with Amazon ALB before nginx. > > Just in case, could you please provide details about OpenSSL > library you are using ("nginx -V" should contain enough details)?
Certainly: nginx version: nginx/1.14.0 (Ubuntu) built with OpenSSL 1.1.0g 2 Nov 2017 (running with OpenSSL 1.1.1c 28 May 2019) TLS SNI support enabled configure arguments: --with-cc-opt='-g -O2 -fdebug-prefix-map=/build/nginx-FIJPpj/nginx-1.14.0=. -fstack-protector-strong -Wformat -Werror=format-security -fPIC -Wdate-time -D_FORTIFY_SOURCE=2' --with-ld-opt='-Wl,-Bsymbolic-functions -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-FIJPpj/nginx-1.14.0/debian/modules/http-headers-more-filter --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-auth-pam --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-cache-purge --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-dav-ext --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-ndk --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-echo --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-fancyindex --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/nchan --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-lua --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/rtmp --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-uploadprogress --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-upstream-fair --add-dynamic-module=/build/nginx-FIJPpj/nginx-1.14.0/debian/modules/http-subs-filter _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx
