• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Question HTTP Response Header Question

Dan Ellis

New Pleskian
Hi all,

I am a newbie so I apologize if this is a silly question. Does Plesk automatically insert the PleskLin x-powered-by header by default in all instances? Or are there certain circumstances/settings that bring this about?

I have seen x-powered-by headers with PHP version instead of PleskLin as well. What circumstances/settings bring this about? Is there a certain hierarchy between the two that decides which gets to override the other?

Does CPanel have any similar "signature" header like "PleskLin" that it inserts or is it impossible to tell which HTTP response headers are generated from a server in which CPanel is installed?

Thank you all very much for your help!
 
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