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ssl.conf

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Dec 1st, 2016
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  1. <IfModule mod_ssl.c>
  2.  
  3. # Pseudo Random Number Generator (PRNG):
  4. # Configure one or more sources to seed the PRNG of the SSL library.
  5. # The seed data should be of good random quality.
  6. # WARNING! On some platforms /dev/random blocks if not enough entropy
  7. # is available. This means you then cannot use the /dev/random device
  8. # because it would lead to very long connection times (as long as
  9. # it requires to make more entropy available). But usually those
  10. # platforms additionally provide a /dev/urandom device which doesn't
  11. # block. So, if available, use this one instead. Read the mod_ssl User
  12. # Manual for more details.
  13. #
  14. SSLRandomSeed startup builtin
  15. SSLRandomSeed startup file:/dev/urandom 512
  16. SSLRandomSeed connect builtin
  17. SSLRandomSeed connect file:/dev/urandom 512
  18.  
  19. ##
  20. ## SSL Global Context
  21. ##
  22. ## All SSL configuration in this context applies both to
  23. ## the main server and all SSL-enabled virtual hosts.
  24. ##
  25.  
  26. #
  27. # Some MIME-types for downloading Certificates and CRLs
  28. #
  29. AddType application/x-x509-ca-cert .crt
  30. AddType application/x-pkcs7-crl .crl
  31.  
  32. # Pass Phrase Dialog:
  33. # Configure the pass phrase gathering process.
  34. # The filtering dialog program (`builtin' is a internal
  35. # terminal dialog) has to provide the pass phrase on stdout.
  36. SSLPassPhraseDialog exec:/usr/share/apache2/ask-for-passphrase
  37.  
  38. # Inter-Process Session Cache:
  39. # Configure the SSL Session Cache: First the mechanism
  40. # to use and second the expiring timeout (in seconds).
  41. # (The mechanism dbm has known memory leaks and should not be used).
  42. #SSLSessionCache dbm:${APACHE_RUN_DIR}/ssl_scache
  43. SSLSessionCache shmcb:${APACHE_RUN_DIR}/ssl_scache(512000)
  44. SSLSessionCacheTimeout 300
  45.  
  46. # Semaphore:
  47. # Configure the path to the mutual exclusion semaphore the
  48. # SSL engine uses internally for inter-process synchronization.
  49. # (Disabled by default, the global Mutex directive consolidates by default
  50. # this)
  51. #Mutex file:${APACHE_LOCK_DIR}/ssl_mutex ssl-cache
  52.  
  53.  
  54. # SSL Cipher Suite:
  55. # List the ciphers that the client is permitted to negotiate. See the
  56. # ciphers(1) man page from the openssl package for list of all available
  57. # options.
  58. # Enable only secure ciphers:
  59. SSLCipherSuite HIGH:!aNULL
  60.  
  61. # SSL server cipher order preference:
  62. # Use server priorities for cipher algorithm choice.
  63. # Clients may prefer lower grade encryption. You should enable this
  64. # option if you want to enforce stronger encryption, and can afford
  65. # the CPU cost, and did not override SSLCipherSuite in a way that puts
  66. # insecure ciphers first.
  67. # Default: Off
  68. #SSLHonorCipherOrder on
  69.  
  70. # The protocols to enable.
  71. # Available values: all, SSLv3, TLSv1, TLSv1.1, TLSv1.2
  72. # SSL v2 is no longer supported
  73. SSLProtocol all -SSLv3
  74.  
  75. # Allow insecure renegotiation with clients which do not yet support the
  76. # secure renegotiation protocol. Default: Off
  77. #SSLInsecureRenegotiation on
  78.  
  79. # Whether to forbid non-SNI clients to access name based virtual hosts.
  80. # Default: Off
  81. #SSLStrictSNIVHostCheck On
  82.  
  83. </IfModule>
  84.  
  85. # vim: syntax=apache ts=4 sw=4 sts=4 sr noet
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