ZyXEL Communications UAG5100, Руководство пользователя

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Chapter 39 Certificates
UAG5100 User’s Guide
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39.3.2 The Trusted Certificates Import Screen
Click Configuration > Object > Certificate > Trusted Certificates > Import to open the
Trusted Certificates Import screen. Follow the instructions in this screen to save a trusted
certificate to the UAG.
Note: You must remove any spaces from the certificate’s filename before you can import
the certificate.
Figure 257
Configuration > Object > Certificate > Trusted Certificates > Import
Subject Alternative
Name This field displays the certificate’s owner‘s IP address (IP), domain name (DNS) or e-
mail address (EMAIL).
Key Usage This field displays for what functions the certificate’s key can be used. For example,
“DigitalSignature” means that the key can be used to sign certificates and
“KeyEncipherment” means that the key can be used to encrypt text.
Basic Constraint This field displays general information about the certificate. For example, Subject
Type=CA means that this is a certification authority’s certificate and “Path Length
Constraint=1” means that there can only be one certification authority in the
certificate’s path.
MD5 Fingerprint This is the certificate’s message digest that the UAG calculated using the MD5
algorithm. You can use this value to verify with the certification authority (over the
phone for example) that this is actually their certificate.
SHA1 Fingerprint This is the certificate’s message digest that the UAG calculated using the SHA1
algorithm. You can use this value to verify with the certification authority (over the
phone for example) that this is actually their certificate.
Certificate in PEM
(Base-64) Encoded
Format This read-only text box displays the certificate or certification request in Privacy
Enhanced Mail (PEM) format. PEM uses lowercase letters, uppercase letters and
numerals to convert a binary certificate into a printable form.
You can copy and paste the certificate into an e-mail to send to friends or colleagues or
you can copy and paste the certificate into a text editor and save the file on a
management computer for later distribution (via floppy disk for example).
Export Certificate Click this button and then Save in the File Download screen. The Save As screen
opens, browse to the location that you want to use and click Save.
OK Click OK to save your changes back to the UAG. You can only change the name.
Cancel Click Cancel to quit and return to the Trusted Certificates screen.
Table 180
Configuration > Object > Certificate > Trusted Certificates > Edit (continued)
LABEL DESCRIPTION