ZyXEL ZyWALL 5 User Guide - Page 412
Simple Certificate Enrollment Protocol SCEP
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Chapter 20 Certificates Table 118 SECURITY > CERTIFICATES > My Certificates > Create (continued) LABEL DESCRIPTION Subject Alternative Name Select a radio button to identify the certificate's owner by IP address, domain name or e-mail address. Type the IP address (in dotted decimal notation), domain name or e-mail address in the field provided. The domain name or email address can be up to 31 ASCII characters. The domain name or e-mail address is for identification purposes only and can be any string. Key Length Select a number from the drop-down list box to determine how many bits the key should use (512 to 2048). The longer the key, the more secure it is. A longer key also uses more PKI storage space. to >> configure more subject information for a certificate. Enrollment Options These radio buttons deal with how and when the certificate is to be generated. Create a self-signed certificate Select Create a self-signed certificate to have the ZyWALL generate the certificate and act as the Certification Authority (CA) itself. This way you do not need to apply to a certification authority for certificates. Create a certification request and save it locally for later manual enrollment Select Create a certification request and save it locally for later manual enrollment to have the ZyWALL generate and store a request for a certificate. Use the My Certificate Details screen to view the certification request and copy it to send to the certification authority. Copy the certification request from the My Certificate Details screen (see Section 20.2.1 on page 403) and then send it to the certification authority. Create a certification request and enroll for a certificate immediately online Select Create a certification request and enroll for a certificate immediately online to have the ZyWALL generate a request for a certificate and apply to a certification authority for a certificate. You must have the certification authority's certificate already imported in the Trusted CAs screen. When you select this option, you must select the certification authority's enrollment protocol and the certification authority's certificate from the dropdown list boxes and enter the certification authority's server address. You also need to fill in the Reference Number and Key if the certification authority requires them. Enrollment Protocol Select the certification authority's enrollment protocol from the drop-down list box. Simple Certificate Enrollment Protocol (SCEP) is a TCP-based enrollment protocol that was developed by VeriSign and Cisco. Certificate Management Protocol (CMP) is a TCP-based enrollment protocol that was developed by the Public Key Infrastructure X.509 working group of the Internet Engineering Task Force (IETF) and is specified in RFC 2510. CA Server Address Enter the IP address (or URL) of the certification authority server. CA Certificate Select the certification authority's certificate from the CA Certificate dropdown list box. You must have the certification authority's certificate already imported in the Trusted CAs screen. Click Trusted CAs to go to the Trusted CAs screen where you can view (and manage) the ZyWALL's list of certificates of trusted certification authorities. Enrollment via an RA If you select Create a certification request and enroll for a certificate immediately online, you can select this option to apply for a certificate through a RA (Registration Authority). The RA is an intermediary authorized by a CA to verify each subscriber's identity and forward the requests to the CA. After the CA signs and issues the certificates, the RA distributes the certificates to the subscribers. 412 ZyWALL 5/35/70 Series User's Guide