Interesant era si versiunile anterioare de openssl/nginx dar noh: https://www.reddit.com/r/sysadmin/comments/3ay2ez/openssls_logjam_cve20154000_fixes_break_smtp/
re-genereaza /etc/ssl/certs/dhparam.pem sa fie pe 1024 bits. openssl dhparam -out ./dhparam.pem 2048 sau 1024. 2048 o sa dureze (zeci de minute) On 15 June 2016 at 13:35, Catalin Muresan <[email protected]> wrote: > rollback openssl > > On 15 June 2016 at 13:31, Matei, Petre-Marius <[email protected]> > wrote: > >> Salut, >> >> Nginx s-a oprit sa mai forwardeze requesturile in spate si primesc eroarea >> >> 2016/06/15 08:13:02 [crit] 20152#20152: *1 SSL_do_handshake() failed >> (SSL: error:14082174:SSL routines:SSL3_CHECK_CERT_AND_ALGORITHM:dh key >> too small) while SSL handshaking to upstream, client: 172.17.32.254, >> server: acd-us.domain.com, request: "GET / HTTP/1.1", upstream: >> "https://172.17.19.29:8443/";, host: "acd-us.domain.com:8443" >> >> In spate ruleaza un tomcat pe care nu il pot restarta fara impact si >> incerc sa rezolv problema facand vreun overwrite din nginx. >> >> Tomcatul foloseste un certificat self signed dar a mers pana la ultimul >> update de nginx/openssl >> >> nginx version: nginx/1.10.1 >> built by gcc 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.1) >> built with OpenSSL 1.0.1f 6 Jan 2014 >> TLS SNI support enabled >> configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx >> --modules-path=/usr/lib/nginx/modules --conf-path=/etc/nginx/nginx.conf >> --error-log-path=/var/log/nginx/error.log >> --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid >> --lock-path=/var/run/nginx.lock >> --http-client-body-temp-path=/var/cache/nginx/client_temp >> --http-proxy-temp-path=/var/cache/nginx/proxy_temp >> --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp >> --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp >> --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx >> --group=nginx --with-http_ssl_module --with-http_realip_module >> --with-http_addition_module --with-http_sub_module >> --with-http_dav_module --with-http_flv_module --with-http_mp4_module >> --with-http_gunzip_module --with-http_gzip_static_module >> --with-http_random_index_module --with-http_secure_link_module >> --with-http_stub_status_module --with-http_auth_request_module >> --with-http_xslt_module=dynamic --with-http_image_filter_module=dynamic >> --with-http_geoip_module=dynamic --with-http_perl_module=dynamic >> --add-dynamic-module=debian/extra/njs-1c50334fbea6/nginx --with-threads >> --with-stream --with-stream_ssl_module --with-http_slice_module >> --with-mail --with-mail_ssl_module --with-file-aio --with-ipv6 >> --with-http_v2_module --with-cc-opt='-g -O2 -fstack-protector >> --param=ssp-buffer-size=4 -Wformat -Werror=format-security >> -Wp,-D_FORTIFY_SOURCE=2' --with-ld-opt='-Wl,-Bsymbolic-functions >> -Wl,-z,relro -Wl,--as-needed' >> >> Configuratia nginx este urmatoarea: >> >> upstream lb-subprint8443 { >> ip_hash; >> server 172.17.19.15:8443 max_fails=3 fail_timeout=10s; # Reverse >> proxy to machine-1 >> server 172.17.19.16:8443 max_fails=3 fail_timeout=10s; # Reverse >> proxy to machine-2 >> server 172.17.19.17:8443 max_fails=3 fail_timeout=10s; # Reverse >> proxy to machine-3 >> } >> >> server { >> listen 172.16.111.70:8443 ssl; >> server_name acd-us.domain.com; >> ssl_protocols TLSv1 TLSv1.1 TLSv1.2; >> ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH'; >> ssl_prefer_server_ciphers on; >> ssl_session_cache shared:SSL:10m; >> ssl_dhparam /etc/ssl/certs/dhparam.pem; >> >> ssl_certificate /etc/nginx/ssl/acd-us.domain.com.crt; >> ssl_certificate_key /etc/nginx/ssl/acd-us.domain.com.key; >> >> access_log /var/log/nginx/acd-us.domain.com.8443.access.log; >> error_log /var/log/nginx/acd-us.domain.com.8443.error.log warn; >> >> location / { >> proxy_pass https://lb-subprint8443/; # Load balance the URL >> location "/" to the upstream lb-subprint >> proxy_bind 172.16.111.70; >> proxy_http_version 1.1; >> proxy_set_header Upgrade $http_upgrade; >> proxy_set_header Connection 'upgrade'; >> proxy_set_header Host $my_host; >> proxy_cache_bypass $http_upgrade; >> >> proxy_ssl_verify off; >> >> } >> } >> >> >> Mersi pentru orice ajutor. >> >> Marius >> >> >> _______________________________________________ >> RLUG mailing list >> [email protected] >> http://lists.lug.ro/mailman/listinfo/rlug >> > > _______________________________________________ RLUG mailing list [email protected] http://lists.lug.ro/mailman/listinfo/rlug
