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In some cases, your computer may display an error code indicating that ssl_accept failed. There can be many reasons for this problem.
In FortiOS v5.4.x, tlsv1-0 is disabled by default.
This will prevent successful connection to Windows and 7 Connect 8. Should
In VPN SSL settings, tlsv1-0 must be set to Enforce:
enable tlsv1-0
NAME
SSL_accept – wait for TLS/SSL client to initiate TLS/SSL handshake
OVERVIEW
int *ssl); DESCRIPTION
SSL_accept() waits until Den user tls/ssl initiates a TLS/SSL handshake. The link must already have a packet and be assigned to the new SSL by setting the BIO as the base.
Notes
If the underlying base is bioblocking, SSL_accept() will probably not return until the handshake completes or an error occurs.
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If the underlying BIO does not block, ssl_accept() also returns if the underlying BIO does not satisfy the request from SSL_accept() to continue the handshake without a doubt, with a problem indicated by a turnover value of -1. In this case, any new call to SSL_get_error() that returns an SSL_accept() or ssl_error_want_read value returns SSL_ERROR_WANT_WRITE. process If subsequently invoked, callconsideration should be repeated after the appropriate action to satisfy the preferences of SSL_accept(). An action that the BIO depends on. Nothing needs to be done using this non-blocking socket, but select() can only be used to check the desired state of the skin. If you are using a buffered BIO, i.e. a pair of BIOs, you may need to write the data received to or from the BIO before continuing.
RETURN VALUES
- 0
- 1
- <0
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TLS/SSL handshaking was not expected, but has been adjusted and disabled by the new TLS/SSL protocol specification. Call SSL_get_error() with my return value, see why.TLS/SSL
The handshake ended with , A tls/ssl connection was also established. TLS/SSL
The handshake was ineffective, possibly due to a fatal error at the protocol level or due to a specific connection error. The stop was not clean. Of course, some steps may also be necessary to continue working with non-blocking BIOs. Call SSL_get_error() with the cost returned to see why.
SEE ALSO
COPYRIGHT (hereinafter RIGHTS
License "License") openssl. You may use this manual entry only in accordance with the license c. You may obtain a copy of the LICENSE file from the distribution included with the purchase or from https://www.openssl.org/source/license.html.
When using OpenSSL, I get an annoying return code when running SSL_accept(ssl) when establishing a DTLS "connection" with an end user. I checked in the result section of SSL_get_error and the result is 5, which corresponds to SSL_ERROR_SYSCALL. The logs suggested errno, write it down but that suggestion sucks. I'm trying to get it from ERR_get_error just in case, but it also returns 0 immediately.
How do I know that many aspects of the code are causing the error? Is it something that takes certificate files into account? This is something I unfortunately didn't set before calling SSL_accept?
interest SSL_accept(ssl); =if(return !=1) { /*Auto state is equal to SSL_get_state(ssl); run std::to_string(state);*/ int sslError = SSL_get_error(ssl, ret); /* std::string er"Unable to accept_SSL:"; by a (sslError = ERR_get_error()) strrr += std::stringERR_error_string(sslError, NULL) + std::string("; "); throw e; */ switch(sslerror) { SSL_ERROR_SSL case: throw std::string "SSL Accept Error: SSL_ERROR_SSL"; Attachment SSL_ERROR_WANT_READ: there is std::string "SSL_accept failed: SSL_ERROR_WANT_READ"; SSL_ERROR_WANT_WRITE case: fake std::string "SSL Accept Error: SSL_ERROR_WANT_WRITE"; ssl_error_zero_return case: throw std::string "SSL Accept Error: SSL_ERROR_ZERO_RETURN"; SSL_ERROR_WANT_CONNECT argument: give std::string "SSL_accept failed: SSL_ERROR_WANT_CONNECT"; SSL_ERROR_WANT_ACCEPT case: std::string "SSL_accept failed: SSL_ERROR_WANT_ACCEPT"; SSL_ERROR_WANT_X509_LOOKUP case: throw std::string "SSL_accept failed: ssl_error_want_x509_lookup"; SSL_ERROR_SYSCALL instance: switch (error number) {
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