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@ -36,9 +36,10 @@ PHP X.Y UPGRADE NOTES |
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file_get_contents(), fsockopen(), stream_socket_client()) may no longer |
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connect successfully without manually disabling peer verification via the |
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stream context's "verify_peer" setting. Encrypted transfers delegate to |
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operating system certificate stores by default, so many/most users *should* |
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be unaffected by this transparent security enhancement. |
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(https://wiki.php.net/rfc/tls-peer-verification) |
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operating system certificate stores by default if not overridden via the |
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new openssl.cafile/openssl.cafile ini directives or call-time SSL context |
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options, so many/most users *should* be unaffected by this transparent |
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security enhancement. (https://wiki.php.net/rfc/tls-peer-verification) |
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======================================== |
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2. New Features |
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@ -68,6 +69,9 @@ PHP X.Y UPGRADE NOTES |
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- Added gost-crypto (CryptoPro S-box) hash algo. |
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- Stream wrappers verify peers and host names by default in encrypted client |
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streams. |
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- Added openssl certificate fingerprint support (inclusive stream context |
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option). |
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@ -77,26 +81,26 @@ PHP X.Y UPGRADE NOTES |
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- Added a range of new SSL context options for improved encrypted stream |
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server security (https://wiki.php.net/rfc/improved-tls-defaults): |
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+ "honor_cipher_order" allows servers to prioritize cipher suites of their |
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. "honor_cipher_order" allows servers to prioritize cipher suites of their |
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choosing when negotiating SSL/TLS handshakes. |
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+ "single_ecdh_use" and "single_dh_use" allow for improved forward |
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. "single_ecdh_use" and "single_dh_use" allow for improved forward |
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secrecy in encrypted stream servers. |
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+ "dh_param" allows specification of pre-generated key generation |
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. "dh_param" allows specification of pre-generated key generation |
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parameters when negotiating ephemeral DHE ciphers in stream servers. |
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+ "ecdh_curve" allows stream servers to specify which curve to use when |
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. "ecdh_curve" allows stream servers to specify which curve to use when |
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negotiating ephemeral ECDHE ciphers (defaults to NIST P-256). |
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+ "rsa_key_size" SSL context option gives stream servers control |
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. "rsa_key_size" SSL context option gives stream servers control |
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over the key size (in bits) used when negotiating RSA ciphers. |
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+ "capture_session_meta" if specified stores an array of data describing |
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. "capture_session_meta" if specified stores an array of data describing |
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the TLS session's protocol/cipher in the "session_meta" SSL context key. |
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- Added automatic mitigation against client-initated TLS renegotiation DoS |
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attacks in encrypted server streams. Renegotiation limiting may be |
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customized via three new SSL context options: |
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+ "reneg_limit" (number of allowed renegotiations per time window) |
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+ "reneg_window" (renegotiation time window in seconds) |
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+ "reneg_limit_callback" (optional notification callback on limiting) |
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. "reneg_limit" (number of allowed renegotiations per time window) |
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. "reneg_window" (renegotiation time window in seconds) |
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. "reneg_limit_callback" (optional notification callback on limiting) |
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- Added "crypto_method" SSL context option for use in encrypted streams. |
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