kb: fixed
kb: bug
ext: sslit
Symptoms
-
All websites are not accessible with 502 Bad gateway
- At Tools & Settings > TLS versions and ciphers management > TLS versions and ciphers by Mozilla the modern ciphers are set:
Cause
Product issue:
-
#PPPM-13038 "Websites running on nginx + Apache can now work correctly over TLS 1.3."
Fixed in:- Plesk Obsidian 30 August 2021 (Linux)
Resolution
Please consider updating your server:
Workaround
If update is not possible for some reason you may try the following
workaround
As a workaround:
- Log in to Plesk
- Go to Tools & Settings > TLS versions and ciphers management > TLS versions and ciphers by Mozilla
- Switch cipher suite to Intermediate:
- Click Change & Sync button to apply changes
Add TLSv1.3 into proxy_ssl_protocols in /etc/nginx/conf.d/ssl.conf
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