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Viewer encryption settings
The web browser viewers and VNC viewers (of level 4.0b5S or higher) offer four
encryption options. The resulting actions of certain options depend upon how
the CPU IP to which you are connecting is congured:
• Always on - This setting will ensure that the link is encrypted, regardless of
the CPU IP encryption setting.
• Let server choose - This setting will follow the conguration of the CPU
IP. If the CPU IP has a preference to encrypt the link, then it will be so,
otherwise the link will not be encrypted.
• Prefer off - This setting will congure an un-encrypted link if the CPU IP will
allow it, otherwise it will be encrypted.
• Prefer on - If the CPU IP allows it, this setting will congure an encrypted
link, otherwise it will be un-encrypted.
Whenever encryption does take place, the viewer will rst need to create the
necessary secure key before the connection process can continue.
Supported web browsers
The following web browsers have been tested and found to work correctly with
CPU IP.
Windows
• Internet Explorer 5.50 and above,
with Microsoft [Java] Virtual Machine (release 5.50).
with Java Runtime Environment 1.3 or above.
Linux
• Netscape 4.61 and above,
with Java Runtime Environment 1.1 or above.
• Opera,
with Java Runtime Environment 1.1 or above.