ZyXEL Communications NWA1123 Series User Manual page 208

If your device's Web Configurator is set to use SSL certification, then the first time you browse to it you are
1
presented with a certification error.
Click Continue to this website (not recommended).
2
In the Address Bar, click Certificate Error > View certificates.
3
Appendix A Importing Certificates
NWA1123 Series User's Guide
208