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Chapter 8. Device Management
137
Encryption
These flexible encryption alternatives for keyboard/mouse, video, and virtual
media data let you choose any combination of DES; 3DES; AES; RC4; or a
Random cycle of any or all of them. Enabling encryption will affect system
performance – no encryption offers the best performance; the greater the
encryption the greater the adverse effect. If you enable encryption, the
performance considerations (going from best to worst) are as follows:
RC4 offers the least impact on performance; DES is next; the 3DES or
AES
The RC4 + DES combination offers the least impact of any combination
Private Certificate
When logging in over a secure (SSL) connection, a signed certificate is used to
verify that the user is logging in to the intended site. The Private Certificate
section is used to obtain a certificate and private key for this purpose.
Using a Private Encryption Key
If you wish to use a private encryption key, do the following:
1. Click Browse to the right of Privet Key (see the screenshot on page 134.);
browse to where your private encryption key file is located; and select it.
2. Click Upload to complete the procedure.
Importing a Signed SSL Server Certificate
In order to avoid users having to go through the certificate acceptance prompt
each time they log in, administrators may choose to use a third party certificate
authority (CA) signed certificate.
To use a third party signed certificate, do the following:
1. Go to a CA (Certificate Authority) website to apply for an SSL certificate.
2. After the CA sends you the certificate, save it to a convenient location on
your computer.
3. Open the Security page; in the Private Certificate panel, at the right of the
Certificate entry field, click Browse. (See the screenshot on page 134.)
4. Browse to where the certificate file is located and select it.
You return to the Security page, with the filename displayed in the entry
field.
5. Click Upload to complete the procedure.
kn2124v-4132.book Page 137 Tuesday, March 10, 2009 11:29 AM