Symptoms
After upgrading to Apache 2.4.63 the htaccess redirects that contain unencoded "?" will fail to work showing a 403 error
Description
The latest Apache updates to their module mod_rewrite are affecting the not encoded question mark (%3f) and the redirect fails with a 403 error.
We've opened an internal case for our development team to investigate this further. For reference, the case number is CPANEL-46390. Follow this article to receive an email notification when a solution is published in the product.
Workaround
Add the UnsafeAllow3F flag to the rewrite rules to allow not encoded question marks.
More info above the mentioned rewrite flag can be found on the Apache documentation page:
Apache RewriteRule Flags -- UnsafeAllow3F
Comments
1 comment
Update: We would like to thank you for your interest in this article/case and encourage your submissions as they are valuable to the ever-expanding development of cPanel & WHM. At this time, this particular issue has not been selected for action from our Development Team, as it may require more development resources than we can allot, or alters the direction cPanel envisions for the product. Submissions persist in our Issue Tracking System in the event the impact of the related issue grows or product direction changes. If you feel that this defect requires direct action, we strongly encourage you to submit a Feature Request to allow the cPanel Community to vote and support your cause.
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