User's Manual

Chapter 11 Maintenance Screens
NSA-2401 User’s Guide
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Figure 203 Maintenance > SSL > Edit a Self-Signed Certificate
The following table describes the labels in this screen.
11.5 Firmware Upgrade
Click Maintenance > FW Upgrade to open this screen, where you can upgrade the NSA
firmware. Be sure to download the latest firmware files from the ZyXEL website.
Table 104 Maintenance > Configuration
LABEL DESCRIPTION
Common Name This name describes the certificate’s origin, either in the form of an IP
address or a domain name.
Host IP Address Select this option and enter the NSA’s IP address if you want to use this
for the common name.
Host Domain Name Select this option and enter the NSA’s domain name if you want to use
this for the common name
Organizational Unit
(Optional)
Enter this name of the organizational unit which owns or maintains the
NSA. This is an optional field.
Organization (Optional) Enter this name of the organization or company which owns or maintains
the NSA. This is an optional field.
Country (Optional) Enter this name of the country in which the NSA is located. This is an
optional field.
Key Type Select the certificate’s key type, either RSA or DSA.RSA is a public-key
encryption and digital signature algorithm, while DSA is only a digital
signature algorithm.
Key Length Select the encryption key length. The longer the key, the better the
encryption security. The only drawback to having a long key is that the file
encrypted with it swells in size as well.
Apply Click this to save your changes.
Cancel Click this to discard changes and close the window.