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Top Forums Programming IP address of a server at runtime Post 302664847 by hicksd8 on Sunday 1st of July 2012 06:34:08 AM
Old 07-01-2012
On a Unix system of a standard flavour it can get its own ip address usig the ifconfig command.

If the ip address of the target machine (your server) is not constant then you will need some "lookup" service running either maintained locally or remote (ie, a DNS server). You can set up a "dynamic DNS service" on a machine locally or remote which can "resolve" the nodename of the target into its current ip address.

This kind of dynamic service is not recommended but from what you describe, I don't think that there's much choice.

Of course, you might have a DHCP server (maybe a router) which also runs a name resolution service which will track the changing ip addresses.

Let's see what others on this forum say.

Last edited by hicksd8; 07-01-2012 at 08:04 AM..
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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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