In Progress [CPANEL-21761] Manage SSL Hosts page throwing 500 error

Benjamin D.

Well-Known Member
Jan 28, 2016
133
19
68
Canada
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Root Administrator
WHM 72.0 CentOS 7.5 migrated from another server WHM 72.0 CentOS 6.1

* I CONCISED THE OP *

EDIT3 / TLDR; It does the following (see attached) on EVERY SINGLE mail.xxxxxxxxx.com subdomain altough their parent/root domain is fine. It's worth noting that if I visit the https URL (e.g.: mail.xxxxxxxxx.com) manually in my browser, it works totally fine, SSL cert is valid. Only from within WHM > "Manage SSL Hosts" does it crash with error 500: "An invalid destination was provided".

Any idea what's causing this?
 

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Benjamin D.

Well-Known Member
Jan 28, 2016
133
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Canada
cPanel Access Level
Root Administrator
See attached screenshot for more clarification as to where exactly I'm clicking to obtain this error.

Sorry if this wasn't clear. If it's still unclear, feel free to ask more information.
 

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MikeDVB

Well-Known Member
PartnerNOC
Jun 4, 2008
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Indiana, USA
I've replicated this.

I'd most likely advise you to open a ticket directly with cPanel so they can look into this directly.

screen-shot.net/2018-07-30_10-26-56.png
 
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Benjamin D.

Well-Known Member
Jan 28, 2016
133
19
68
Canada
cPanel Access Level
Root Administrator
@MikeDVB
Your error is not the same as mine. You're getting a TIME OUT error. Mine instantly displays: "An invalid destination was provided."

Thanks @MikeDVB I will, eventually, if there's no other way, but there's always a way and it would benefit the whole community to have it explained on here how to fix this. When I solve the issues I post on here by myself, they always ask me to post the solution on here, so I expect the same in return, it benefits everybody to know how to solve all these issues by ourselves.
 

cPanelMichael

Administrator
Staff member
Apr 11, 2011
47,904
2,219
463
Hello,

Internal case CPANEL-21761 is open to address an issue where opening a secured subdomain (e.g. mail.domain.tld) from the WHM >> Manage SSL Hosts interface can result in a 500 error during the redirect attempt. I'll monitor this case and update this thread with more information as it becomes available. In the meantime, the workaround is to manually access the secured domain (or subdomain) manually from a web browser instead of through the Manage SSL Hosts interface.

Thank you.
 
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Benjamin D.

Well-Known Member
Jan 28, 2016
133
19
68
Canada
cPanel Access Level
Root Administrator
Turns out it's an IP to Hostname problem. Clicking domains using a different IP work fine. In a nutshell, the issue was caused by trying to access HTTPS on a domain whose IP is not supposed to serve SSL. You can close this thread as assigning the correct SSL enabled IP to every domain solved this issue.
 
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cPanelMichael

Administrator
Staff member
Apr 11, 2011
47,904
2,219
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Turns out it's an IP to Hostname problem. Clicking domains using a different IP work fine. In a nutshell, the issue was caused by trying to access HTTPS on a domain whose IP is not supposed to serve SSL. You can close this thread as assigning the correct SSL enabled IP to every domain solved this issue.
Hi @Benjamin D.,

I'm glad to see you were able to workaround the issue. That said, this is still something we'd like to prevent from happening so I'll leave this thread open and provide more information on the status of CPANEL-21761 as it becomes available.

Thank you.