Use password encryption or plain text using AseConnection
Connection string
This ASE ADO.NET Data Provider connection string can be used for connections to Sybase Adaptive.
Data Source=myASEserver;Port=5000;Database=myDataBase;Uid=myUsername;
Pwd=myPassword;EncryptPassword=2;
Password is sent over the wire after a login is negotiated. If encryption is possible it will be encrypted. Otherwise it will be sent as plain text.