<%NUMBERING1%>.<%NUMBERING2%>.<%NUMBERING3%> PRTG Manual: SSL Certificate Warning

If you use PRTG on premises outside your internal LAN, in particular if you use it on the internet, you should switch the internal web server to use SSL/TLS. Your browser then shows a certificate warning because PRTG comes with a self-signed certificate. Anyway, the connection to your PRTG web server is secured with Secure Sockets Layer (SSL)/Transport Layer Security (TLS), and you can confirm the claimed security risk.

Every browser shows a slightly different certificate warning. The necessary steps are similar for every browser, with a few small differences:

i_toolsYou can avoid these browser warnings if you use your own trusted SSL certificate with PRTG. For this purpose, we provide the freeware tool PRTG Certificate Importer.

Google Chrome

In Google Chrome, click Advanced, then Proceed to [yourPRTGserver] (unsafe) every time you call the PRTG web interface.

SSL Warning in Chrome

SSL Warning in Chrome

Mozilla Firefox

In Mozilla Firefox, click Advanced, then click Accept the Risk and Continue.

SSL Warning in Firefox

SSL Warning in Firefox

You only have to go through this procedure once for every Firefox browser and PRTG core server.

Internet Explorer

In Internet Explorer, click Go on to the webpage (not recommended) every time you call the PRTG web interface.

SSL Warning in IE

SSL Warning in IE


For other, not officially supported browsers, the procedure is similar.


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PRTG Certificate Importer

Basic Procedures