Useful Guide To iSQL*Plus
Garry Robinson has put together a useful guide to iSQL*Plus, a version of SQL*Plus introduced from Oracle 9iR2 that is delivered through a web browser. It talks you through setting up the tool, configuring it to work with Apache, defining which instances it can connect to, and points out a patch that should be applied to deal with buffer overflow attacks.
Gary's site has a number of Oracle tips that you might find useful, including;