ZyXEL Communications ZYWALL USG 1000 - EDITION 2 Manual page 900

Chapter 56 Troubleshooting
I logged into the SSL VPN but cannot see some of the resource links.
Available resource links vary depending on the SSL application object's
configuration.
I logged into the SSL VPN but cannot perform some actions in the File Sharing
screen.
The actions that you can perform in the File Sharing screen vary depending on
the rights granted to you in the SSL application object's configuration.
I can no longer find some of my original files in the SSL VPN File Sharing
screens, there are only newer files with the same name.
Uploading a file with the same name and file extension replaces the existing file on
the file server. No warning message is displayed.
I cannot download the ZyWALL's firmware package.
The ZyWALL's firmware package cannot go through the ZyWALL when you enable
the anti-virus Destroy compressed files that could not be decompressed
option. The ZyWALL classifies the firmware package as not being able to be
decompressed and deletes it.
You can upload the firmware package to the ZyWALL with the option enabled, so
you only need to clear the Destroy compressed files that could not be
decompressed option while you download the firmware package. See
33.2.1 on page 559
could not be decompressed option.
I changed the LAN IP address and can no longer access the Internet.
The ZyWALL automatically updates address objects based on an interface's IP
address, subnet, or gateway if the interface's IP address settings change.
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for more on the anti-virus Destroy compressed files that
Section
ZyWALL USG 1000 User's Guide