hi,
When the proxy is enabled, I cannot login to Plesk panel because it redirects to login page with no error
I found the same question in the community but the topic has closed with no solution.
My problem is exactly the same as what user2126 mentioned in the above URL.
- The origin server is a WordPress site that does work over HTTPS.
- The Plesk is hosted on a subdomain = plesk.domain.me
- The SSL sets to Full.
- it’s not cache promlem
As the OP did not answered all the questions in the similar topic you found, may I ask which port does your Plesk installation use?
I have one Plesk installation configured an working over 8443 on a sub-domain plesk1.mydomain.hr behind Cloudflare proxy 
.
What error do you get?
Does it work when you switch to 
(DNS-only) or temporary enable the Pause Cloudflare for your site option?
May I ask does the SSL certificate cover your plesk sub-domain too?
Should be set to Full (Strict) SSL:
2 Likes
Dear @CroatiaHR,
So many thanks for your time and efforts.
may I ask which port does your Plesk installation use?
What error do you get?
- Just redirect to login page with no error. but in network diagnostic, I see 303 while redirecting
Does it work when you switch to (DNS-only) or temporary enable the Pause Cloudflare for your site option?
- Yes, It works fine while the proxy is off.
May I ask does the SSL certificate cover your plesk sub-domain too?
- Yes and no; firstly I didn’t use an SSL then, when I faced the problem, I tried Let’s encrypt.
May I ask does the SSL certificate cover your plesk sub-domain too?
- I’m not sure, I just know that is a wild card, so it should be covered
Should be set to Full (Strict) SSL:
- Good point! I tried this, then it showed a 526 error of Cloudflare.
system
Closed
4
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