The following connection string configures the Sybase Wire Protocol driver to use authentication, specifically Kerberos authentication. The example contains the connection options necessary to configure Kerberos authentication as well as the minimum options required to establish a connection. 

DSN=AcctSybaseServer;NetworkAddress=123.456.78.90,5000;
Database=AccountingSybaseServer;AuthenticationMethod=4;
GSSClient=native;ServicePrincipalName=myserver.example.com;
UID=JohnSmith;