public void setProxyHostname(String proxyHostname) {
        this.proxyHostname = proxyHostname;
    }
Sets the hostname of the guacd instance to use.

@param proxyHostname
    The hostname of the guacd instance to use, or null if the hostname
    of the default guacd instance should be used.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/connection/ConnectionModel.java