Sun ONE Application Server Access Control List (ACL) editing is not supported on some versions of Netscape NavigatorTM. If you attempt to edit ACL entries while using either Netscape Navigator version 6.x or Netscape Navigator version 7.x, you might encounter intermittent problems.
For example:
The browser window disappears.
The ACL edit screen does not display when launched.
Workaround: Choose one of the following workarounds.
Use the supported 4.79 version of Netscape Navigator or Microsoft Internet Explorer, version 6.0.
Manually edit the ACL file. For details on ACL file formatting, see the Sun ONE Application Server 7, Standard Edition Administrator's Guide.