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· Jan 29, 2024

Service Unavailable when Authenticating through Apache/Web Gateway and LDAP

#LDAP #Security #Health Connect #InterSystems IRIS #InterSystems IRIS for Health

Lately my group has been seeing issues when signing in through the Management Portal or VS Code we are getting "Service Unavailable" errors returned to us. We recently migrated away from using the PWS to using Apache/InterSystems Web Gateway and using LDAP instead of Delegated Authentication. 

I have been on the hunt to find out where the problem might lie. When I run the "Test LDAP Authentication" from within the Management Portal, eventually I receive a response after getting a couple of timeouts while waiting for the response.

Authenticated user roth16 10 times in 26.177111 seconds - 0.382/sec

However, if I try to Authenticate through the Management Portal using my username, I get the "Service Unavailable" error. I have tried increasing the timeouts within the LDAP settings, and Web Gateway to no success. 

Does anyone have any suggestions on where to look to see the failure before I contact WRC?

Product version: IRIS 2022.1
$ZV: IRIS for UNIX (Red Hat Enterprise Linux 8 for x86-64) 2022.1.4 (Build 812_0_22913U) Thu Dec 7 2023 17:06:30 EST
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Timo Lindenschmid · Feb 1, 2024

Hi,

This sounds like a misconfiguration on the webgateway.

PWG get configured automatically by IRIS for all web applications. Not sure if this happens for the external webgateway.

There also could be an issue with webgateway integration into external apache.

Also worth to check audit database in IRIS. To see if any errors get logged.

Hope this helps.

Best Regards

Timo

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