I tried to access our ORACLE server through VPN. The problem I have is "sqlplus" not work, but tnsping work. Network engineer told me he did open port 1521 for me. if I use ORACLE "tnsping" on PC side, it will response back. Server side have message "15-DEC-2004 20:36:38 * ping * 0" on listener.ora file. If I use "sqlplus" on PC, there is message pop-up: ORA-12535: TNS: Operation time out there is NO message on ORACLE server side listener.ora file. Anyone know why? Thanks. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- //www.freelists.org/webpage/oracle-l