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Special Forums IP Networking Proxy Server Httpd proxy on AIX: failed to connect SSL Post 303042274 by trifo75 on Friday 20th of December 2019 04:05:21 AM
Old 12-20-2019
Httpd proxy on AIX: failed to connect SSL

Hi,

I am trying to migrate a quite old proxy server with Apache httpd, running on AIX
The scenario is that my server accepts connections on http and proxies them to an SSL backend. This is done in a ProxyPass statement, as follows:
Code:
ProxyPass /myservice/my-ws https://mybackend.mycompany.com/app/myservice

When I try to access this service, I get an internal server error and there is an entry in the error log:
Code:
[Fri Dec 20 08:51:53.194111 2019] [proxy:error] [pid 20250630:tid 6683] AH00961: HTTPS: failed to enable ssl support for 10.148.0.139:443 (mybackend.mycompany.com)

The httpd version is 2.4.39 (perzl.org), running on AIX 7.1
I suspect that I would need to install CA certificates to be able to establish SSL connection, however the default value for SSLVerifyCert is none.

Tried to set the logging to higher value, but no relevant info came up (LogLevel was set from warn to debug). Is there a way to produce some more detailed log on this type of ssl handshake?

Thanks,
--Trifo
 
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SSL_set_connect_state(3)					      OpenSSL						  SSL_set_connect_state(3)

NAME
SSL_set_connect_state, SSL_get_accept_state - prepare SSL object to work in client or server mode SYNOPSIS
#include <openssl/ssl.h> void SSL_set_connect_state(SSL *ssl); void SSL_set_accept_state(SSL *ssl); DESCRIPTION
SSL_set_connect_state() sets ssl to work in client mode. SSL_set_accept_state() sets ssl to work in server mode. NOTES
When the SSL_CTX object was created with SSL_CTX_new(3), it was either assigned a dedicated client method, a dedicated server method, or a generic method, that can be used for both client and server connections. (The method might have been changed with SSL_CTX_set_ssl_version(3) or SSL_set_ssl_method().) When beginning a new handshake, the SSL engine must know whether it must call the connect (client) or accept (server) routines. Even though it may be clear from the method chosen, whether client or server mode was requested, the handshake routines must be explicitly set. When using the SSL_connect(3) or SSL_accept(3) routines, the correct handshake routines are automatically set. When performing a transparent negotiation using SSL_write(3) or SSL_read(3), the handshake routines must be explicitly set in advance using either SSL_set_connect_state() or SSL_set_accept_state(). RETURN VALUES
SSL_set_connect_state() and SSL_set_accept_state() do not return diagnostic information. SEE ALSO
ssl(3), SSL_new(3), SSL_CTX_new(3), SSL_connect(3), SSL_accept(3), SSL_write(3), SSL_read(3), SSL_do_handshake(3), SSL_CTX_set_ssl_version(3) 1.0.1e 2013-02-11 SSL_set_connect_state(3)

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