Please convert to use the system's crypto policy for SSL and TLS: https://fedoraproject.org/wiki/Packaging:CryptoPolicies If this program is compiled against gnutls, change the default priority string to be "@SYSTEM" or to use gnutls_set_default_priority(). If this program is compiled against openssl, and there is no default cipher list specified, you don't need to modify it. Otherwise replace the default cipher list with "PROFILE=SYSTEM". In both cases please verify that the application uses the system's crypto policies. If the package is already using the system-wide crypto policies, or it does not use SSL or TLS, no action is required, the bug can simply be closed.
The change for the nginx package is trivial. Edit nginx.conf.default and replace "ssl_ciphers HIGH:!aNULL:!MD5;" with "ssl ciphers PROFILE=SYSTEM;"
nginx-1.8.0-11.fc23 has been submitted as an update for Fedora 23. https://admin.fedoraproject.org/updates/nginx-1.8.0-11.fc23
Package nginx-1.8.0-11.fc23: * should fix your issue, * was pushed to the Fedora 23 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing nginx-1.8.0-11.fc23' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2015-13265/nginx-1.8.0-11.fc23 then log in and leave karma (feedback).
nginx-1.8.0-11.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.