25 lines
920 B
Diff
25 lines
920 B
Diff
--- ciphers.pod 2018-04-09 02:53:14.337756676 +0900
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+++ ciphers2.pod 2018-04-09 02:53:03.060663965 +0900
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@@ -405,6 +405,21 @@
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=back
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+=head1 EQUAL PREFERENCE GROUPS
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+
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+If configuring a server, one may also configure equal-preference groups to
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+partially respect the client's preferences when
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+B<SSL_OP_CIPHER_SERVER_PREFERENCE> is enabled. Ciphers in an equal-preference
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+group have equal priority and use the client order. This may be used to
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+enforce that AEADs are preferred but select AES-GCM vs. ChaCha20-Poly1305
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+based on client preferences. An equal-preference is specified with square
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+brackets, combining multiple selectors separated by |. For example:
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+
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+ [ECDHE-ECDSA-CHACHA20-POLY1305|ECDHE-ECDSA-AES128-GCM-SHA256]
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+
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+ Once an equal-preference group is used, future directives must be
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+ opcode-less.
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+
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=head1 CIPHER SUITE NAMES
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The following lists give the SSL or TLS cipher suites names from the
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