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# Pseudo Random Number Generator (PRNG): # Configure one or more sources to seed the PRNG of the SSL library. # The seed data should be of good random quality. # WARNING! On some platforms /dev/random blocks if not enough entropy # is available. This means you then cannot use the /dev/random device # because it would lead to very long connection times (as long as # it requires to make more entropy available). But usually those # platforms additionally provide a /dev/urandom device which doesn't # block. So, if available, use this one instead. Read the mod_ssl User # Manual for more details. # SSLRandomSeed startup builtin SSLRandomSeed startup file:/dev/urandom 512 SSLRandomSeed connect builtin SSLRandomSeed connect file:/dev/urandom 512 ## ## SSL Global Context ## ## All SSL configuration in this context applies both to ## the main server and all SSL-enabled virtual hosts. ## # # Some MIME-types for downloading Certificates and CRLs # AddType application/x-x509-ca-cert .crt AddType application/x-pkcs7-crl .crl # Pass Phrase Dialog: # Configure the pass phrase gathering process. # The filtering dialog program (`builtin' is a internal # terminal dialog) has to provide the pass phrase on stdout. SSLPassPhraseDialog exec:/usr/share/apache2/ask-for-passphrase # Inter-Process Session Cache: # Configure the SSL Session Cache: First the mechanism # to use and second the expiring timeout (in seconds). # (The mechanism dbm has known memory leaks and should not be used). #SSLSessionCache dbm:${APACHE_RUN_DIR}/ssl_scache SSLSessionCache shmcb:${APACHE_RUN_DIR}/ssl_scache(512000) SSLSessionCacheTimeout 300 # Semaphore: # Configure the path to the mutual exclusion semaphore the # SSL engine uses internally for inter-process synchronization. # (Disabled by default, the global Mutex directive consolidates by default # this) #Mutex file:${APACHE_LOCK_DIR}/ssl_mutex ssl-cache # SSL Cipher Suite: # List the ciphers that the client is permitted to negotiate. See the # ciphers(1) man page from the openssl package for list of all available # options. # Enable only secure ciphers: SSLCipherSuite HIGH:!aNULL # SSL server cipher order preference: # Use server priorities for cipher algorithm choice. # Clients may prefer lower grade encryption. You should enable this # option if you want to enforce stronger encryption, and can afford # the CPU cost, and did not override SSLCipherSuite in a way that puts # insecure ciphers first. # Default: Off #SSLHonorCipherOrder on # The protocols to enable. # Available values: all, SSLv3, TLSv1, TLSv1.1, TLSv1.2 # SSL v2 is no longer supported SSLProtocol all -SSLv3 # Allow insecure renegotiation with clients which do not yet support the # secure renegotiation protocol. Default: Off #SSLInsecureRenegotiation on # Whether to forbid non-SNI clients to access name based virtual hosts. # Default: Off #SSLStrictSNIVHostCheck On # Warning: Session Tickets require regular reloading of the server! # Make sure you do this (e.g. via logrotate) before changing this setting! SSLSessionTickets off