A listener object contains a network address that accepts incoming client requests on behalf of services. A service can have
               multiple listeners, and a listener can accept client requests on behalf of multiple services. 
               	 
            
 
            	 
            You can configure a listener to use Transport Layer Security (TLS) - a facility for secure, encrypted communication and checking
               online identities. 
               	 
            
 
            	 
            Each listener is associated with a connector. This is software that can process the type of requests the listener handles.
               
               	 
            
 
            	 
            Enterprise Server comes with several connectors, including: 
               	 
            
 
            	 
             
               		
               - The soap connector, which handles both Web Services SOAP requests and the 
                  		  Micro Focus Binary Protocol used for J2EE requests. 
                  		
               
-  The http-switch connector, which provides simple web server capabilities and is used for service deployment. 
                  		
               
- The http-echo connector, which responds to HTTP requests with a short HTML reply and can be used for connection testing. 
                  		  
                   
                     			 
                     Note: Do not use the http-echo conversation type in production. It is intended only for connection testing. Older versions of the
                        http-echo module are vulnerable to web cross-site scripting (XSS) attacks, which are a serious security exposure.