Chapter 21 Remote Management

Figure 246 Security Certificate 1 (Netscape)

Figure 247 Security Certificate 2 (Netscape)

21.4.3 Avoiding the Browser Warning Messages

The following describes the main reasons that your browser displays warnings about the ZyWALL’s HTTPS server certificate and what you can do to avoid seeing the warnings.

•The issuing certificate authority of the ZyWALL’s HTTPS server certificate is not one of the browser’s trusted certificate authorities. The issuing certificate authority of the ZyWALL's factory default certificate is the ZyWALL itself since the certificate is a self- signed certificate.

•For the browser to trust a self-signed certificate, import the self-signed certificate into your operating system as a trusted certificate.

•To have the browser trust the certificates issued by a certificate authority, import the certificate authority’s certificate into your operating system as a trusted certificate. Refer to Appendix E on page 657 for details.

•The actual IP address of the HTTPS server (the IP address of the ZyWALL’s port that you are trying to access) does not match the common name specified in the ZyWALL’s HTTPS server certificate that your browser received. Do the following to check the common name specified in the certificate that your ZyWALL sends to HTTPS clients.

•Click REMOTE MGMT. Write down the name of the certificate displayed in the Server Certificate field.

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ZyWALL 2 Plus User’s Guide