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We are aware of an issue with a recent Apache update that causes proxied sites to return a "421 Misdirected Request" error. Please see the following article for more information and updates:
Websites show 421 Misdirected Request error while using EA Nginx

Pure-FTPD Timeout on Amazon EC2 instance

Comments

3 comments

  • dstana
    This was a firewall issue, but with the VPC firewall. Opening ports 49152 through 65534 in the VPC resolved this issue.
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  • cPanelMichael
    Hello @dstana, Did you add the passive port range to the Security Group settings in the EC2 dashboard? A link to the Security Group settings is found under the instance "Description" tab. Thank you.
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  • cPanelMichael
    This was a firewall issue, but with the VPC firewall. Opening ports 49152 through 65534 in the VPC resolved this issue.

    Thanks for sharing the outcome! Do you mind sharing the step-by-step instructions of what you did in-case someone else faces a similar issue?
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