1SSL_CTX_FLUSH_SESSIONS(3ossl) OpenSSL SSL_CTX_FLUSH_SESSIONS(3ossl)
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6 SSL_CTX_flush_sessions - remove expired sessions
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9 #include <openssl/ssl.h>
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11 void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
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14 SSL_CTX_flush_sessions() causes a run through the session cache of ctx
15 to remove sessions expired at time tm.
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18 If enabled, the internal session cache will collect all sessions
19 established up to the specified maximum number (see
20 SSL_CTX_sess_set_cache_size()). As sessions will not be reused ones
21 they are expired, they should be removed from the cache to save
22 resources. This can either be done automatically whenever 255 new
23 sessions were established (see SSL_CTX_set_session_cache_mode(3)) or
24 manually by calling SSL_CTX_flush_sessions().
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26 The parameter tm specifies the time which should be used for the
27 expiration test, in most cases the actual time given by time(0) will be
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30 SSL_CTX_flush_sessions() will only check sessions stored in the
31 internal cache. When a session is found and removed, the
32 remove_session_cb is however called to synchronize with the external
33 cache (see SSL_CTX_sess_set_get_cb(3)).
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36 SSL_CTX_flush_sessions() does not return a value.
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39 ssl(7), SSL_CTX_set_session_cache_mode(3), SSL_CTX_set_timeout(3),
40 SSL_CTX_sess_set_get_cb(3)
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43 Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
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45 Licensed under the Apache License 2.0 (the "License"). You may not use
46 this file except in compliance with the License. You can obtain a copy
47 in the file LICENSE in the source distribution or at
48 <https://www.openssl.org/source/license.html>.
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523.0.9 2023-07-27 SSL_CTX_FLUSH_SESSIONS(3ossl)