ZyXEL Communications XS-3900-48F User Manual page 291

36.5.2.4 Mozilla Firefox Warning Messages
When you attempt to access the Switch HTTPS server, a This Connection is Unstructed screen
may display. If that is the case, click I Understand the Risks and then the Add Exception...
button.
Figure 178 Security Alert (Mozilla Firefox)
XS3900-48F User's Guide
Chapter 36 Access Control
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