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I have a Zenoss dashboard that uses a site window portlet, and for a long time it worked fine. But recently it's been displaying a blank white screen, instead of the expected website. The website I'm monitoring is up and it displays just fine when I view it in a browser. Additionally, I can see the check_http/v1.4.16 (nagios-plugins 1.4.16) hits in my Apache logs for this website, so I know that Zenoss is hitting this site. It just isn't displaying the results.

I then changed the portlet to monitor google.com, and I'm getting the same blank screen. Here's a screenshot of the blank website portlet and the settings for the portlet:

I then checked "grep google.com *.log" in my Zenoss log directory, but it didn't return anything.

In case it makes any difference, I have another website portlet monitoring another website on this same dashboard, and that one works fine.

Subject:	https://jira.zenoss.com
Author:	Andrew Kirch
Posted:	2015-11-05 12:46

https://jira.zenoss.com/browse/ZEN-18577

This is a known issue, and is most likely caused by web browser security settings.

Andrew Kirch

akirch@gvit.com

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Subject:	a bit more information from
Author:	Andrew Kirch
Posted:	2015-11-05 12:48

a bit more information from one of our support folks:
The browser is blocking mixed content and unsecure scripts. there should be a setting to allow it.

Subject:	Yep, turning off the "block
Author:	[Not Specified]
Posted:	2015-11-05 13:29

Yep, turning off the "block mixed content" setting in Firefox worked. Thanks!

Subject:	Dashboard site window portlet is blank
Author:	[Not Specified]
Posted:	2015-10-27 10:16

Dashboard site window portlet is blank