diff options
Diffstat (limited to 'apache2/mods-available/gnutls.conf')
| -rw-r--r-- | apache2/mods-available/gnutls.conf | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/apache2/mods-available/gnutls.conf b/apache2/mods-available/gnutls.conf index f5cf5f8..3109938 100644 --- a/apache2/mods-available/gnutls.conf +++ b/apache2/mods-available/gnutls.conf @@ -1,25 +1,19 @@ <IfModule mod_gnutls.c> - # The default method is to use a DBM backed cache. It's not super fast, but - # it's portable and doesn't require another server to be running like - # memcached - GnuTLSCache dbm /var/cache/apache2/gnutls_cache + # Use an SHMCB backed session cache unless you have special needs. + # (The dbm backend has known memory leaks and should not be used). + GnuTLSCache shmcb:${APACHE_RUN_DIR}/gnutls_cache(65536) - # Enable caching (used for ticket expiration even when GnuTLSCache is unused) - GnuTLSCacheTimeout 600 - - # mod_gnutls can optionaly use a memcached server to store SSL sessions. - # This is useful in a cluster environment, where you want all your servers to - # share a single SSL session cache + # An alternative is to use a memcached server to store SSL sessions. + # This is useful in a cluster environment, + # where you want all your servers to share a single SSL session cache. #GnuTLSCache memcache "127.0.0.1 server2.example.com server3.example.com" - # based on <https://blog.joelj.org/ecdsa-certificates-with-apache-2-4-lets-encrypt/> - # * only strong EC crypto suites supporting Perfect Forward Secrecy - # * supported by all SNI-capable browsers - # Options: - # * drop %SAFE_RENEGOTIATION for Safari 5.1.9 / OS X 10.6.8 support - # * add 3DES-CBS after AES-128-CBC for Android 2.3.7 support on non-SNI hosts - # * add CHACHA20-POLY1305 after ECDHE-ECDSA with libgnutls >= 3.4.0 - GnuTLSPriorities NONE:+ECDHE-ECDSA:+AES-256-GCM:+AES-128-GCM:+AES-256-CBC:+AES-128-CBC:+AEAD:+SHA384:+SHA256:+SHA1:+CTYPE-X509:+VERS-TLS-ALL:-VERS-SSL3.0:+COMP-NULL:+CURVE-SECP384R1:+SIGN-ECDSA-SHA512:+SIGN-ECDSA-SHA384:+SIGN-ECDSA-SHA256:+SIGN-ECDSA-SHA224:%SERVER_PRECEDENCE:%SAFE_RENEGOTIATION + # Require Perfect Forward Secrecy and recent TLS protocol versions + # This should be supported by all SNI-capable browsers + # You can validate e.g. at <https://www.ssllabs.com/ssltest/> + GnuTLSPriorities PFS:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2:%SERVER_PRECEDENCE + + GnuTLSOCSPStapling off </IfModule> |