Page 148 SonicWALL TELE3 SP Administrator’s Guide
You can also enter a URL location of the CRL by entering the address in the
Enter CRL’s
location
for this CA (URL)
field. The CRL is downloaded automatically at intervals
determined by the CA service.
Creating a Certificate Signing Request
To create a certificate for use with a VPN SA, follow these steps:
Note
: You should create a Certificate Policy to used in conjunction with local certificates. A
Certificate Policy determines the authentication requirements and the authority limits required
for the validation of a certificate.
1. Click
VPN
, then
Local Certificates
.
2. In the
Generate Certificate Signing Request
section, enter a name for the certificate
in the
Certificate Name
field. Using the drop down menus, enter information for the
certificate request. As you enter information in the Request fields, the Distinguished Name
(DN) is created. You may also attach an optional
Subject Alternative Name
to the
certificate such as the
Domain Name
or
E-mail Address
.
3. The
Subject Key
type is preset as an RSA algorithm. RSA is a public key cryptographic
algorithm used for encrypting data.
4. Select a Subject Key size from the from the
Subject Key Size
menu.
5. Not all key sizes are supported by a Certificate Authority, therefore you should check with
your Certificate Authority for supported key sizes.
6. Click
Generate
to create a certificate file.
7. Once the
Certificate Signing Request
is generated, a message describing the result is
displayed.
8. Click
Export
to download the file to your computer, and then click
Save
to save it to a
directory on your computer.
9. Now that you have generated the
Certificate Request
, you can send it to your CA service
for validation.
Importing a Signed Local Certificate
When the CA service returns the signed certificate request generated locally, import it into the
SonicWALL using the following steps:
1. In the
Current Certificates
section of
Local Certificates
, select the corresponding
request from the
Certificates
menu.
2. Click
Browse
, and select the *.der from the
Choose File
dialogue box.
3. Click
Import Certificate
.
4. The certificate is now updated to
Verified
, and you can now use it for a VPN SA using a
third party certificate.