restict logins to admins during system maintenance

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jon.t...@gmail.com

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Jun 16, 2026, 6:08:53 AM (7 days ago) Jun 16
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Hi All,

I think I am missing the obvious...but is there a quick what to restrict logins to xnat to to admins only  to allow system maintenance?

jon

Mohana Ramaratnam

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Jun 16, 2026, 6:15:04 AM (7 days ago) Jun 16
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Hello!

There isn't an easy way. 

You could:

Put a site wide banner describing site maintenance time frame. The banner can be visible on the login page and the index page. 



Regards,
Mohana Ramaratnam,

 moh...@xnatworks.io
 xnatworks.io | Find us on LinkedIn

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jon.t...@gmail.com

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Jun 16, 2026, 6:29:14 AM (7 days ago) Jun 16
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Hi
thanks for replying, much appreciated
Thats ok, it means Ive not missed something obvious.
and yes Ive tried the message on the main page... I'll try a bigger typeface :-)

Rick Herrick

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Jun 16, 2026, 2:05:54 PM (7 days ago) Jun 16
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Hi Jon,

Out of curiosity, what maintenance tasks are you performing during this time? We've had requests before for a maintenance mode that shows a message when the system is down, but the problem with this for XNAT is that when Tomcat is down, there is nothing to show that message (we accomplish this on some deployments with a special configuration for the front-end proxy server). But since you're still allowing logins by admins Tomcat would still be up, but just want to lessen the server load while the admins are doing these tasks, I'm wondering what those might be.

Rick Herrick 

Senior Software Developer

ri...@xnatworks.io

https://xnatworks.io | Find us on LinkedIn



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Timothy Olsen

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Jun 16, 2026, 2:09:35 PM (7 days ago) Jun 16
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I was thinking a firewall setting might be helpful there.  Basically, only people from a few IPs can access it during the maintenance window.

Tim

Timothy R Olsen 

Founder, President




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