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URGENT for All Plesk Users – Critical Apache Update Issue (Error 421)
Plesk pushed a faulty Apache update earlier today, causing websites to break globally with the error:
421 Misdirected Request
If you are using Plesk (especially on Ubuntu), check your websites immediately.
If you are seeing this error, Plesk has released an official hotfix: https://support.plesk.com/hc/en-us/articles/33500191748887-Websites-hosted-in-Plesk-on-Ubuntu-are-not-accessible-after-a-recent-Apache-update-421-Misdirected-Request
Comments
I had the same error 421 but am using HestiaCP. The fix was the same script though.
Yeah, I noticed this when looking through HestiaCP commits a day or two ago: https://github.com/hestiacp/hestiacp/commit/262b7301a74a8080e31d3531b914ee224df2c6ed