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SSL_CTX_set_quiet_shutdown(3) OpenSSL SSL_CTX_set_quiet_shutdown(3)
SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown,
SSL_get_quiet_shutdown - manipulate shutdown behaviour
void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
int SSL_CTX_get_quiet_shutdown(SSL_CTX *ctx);
void SSL_set_quiet_shutdown(SSL *ssl, int mode);
int SSL_get_quiet_shutdown(SSL *ssl);
SSL_CTX_set_quiet_shutdown() sets the "quiet shutdown" flag for ctx to be mode. SSL
objects created from ctx inherit the mode valid at the time SSL_new(3) is called. mode may
be 0 or 1.
SSL_CTX_get_quiet_shutdown() returns the "quiet shutdown" setting of ctx.
SSL_set_quiet_shutdown() sets the "quiet shutdown" flag for ssl to be mode. The setting
stays valid until ssl is removed with SSL_free(3) or SSL_set_quiet_shutdown() is called
again. It is not changed when SSL_clear(3) is called. mode may be 0 or 1.
SSL_get_quiet_shutdown() returns the "quiet shutdown" setting of ssl.
Normally when a SSL connection is finished, the parties must send out "close notify" alert
messages using SSL_shutdown(3) for a clean shutdown.
When setting the "quiet shutdown" flag to 1, SSL_shutdown(3) will set the internal flags
to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN. (SSL_shutdown(3) then behaves like
SSL_set_shutdown(3) called with SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.) The session is
thus considered to be shutdown, but no "close notify" alert is sent to the peer. This be-
haviour violates the TLS standard.
The default is normal shutdown behaviour as described by the TLS standard.
SSL_CTX_set_quiet_shutdown() and SSL_set_quiet_shutdown() do not return diagnostic infor-
SSL_CTX_get_quiet_shutdown() and SSL_get_quiet_shutdown return the current setting.
ssl(3), SSL_shutdown(3), SSL_set_shutdown(3), SSL_new(3), SSL_clear(3), SSL_free(3)
0.9.7a 2001-08-17 SSL_CTX_set_quiet_shutdown(3)
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