A user posted a reply like the one below, and then after it’s posted, when anyone tries to edit it, they will be met with a 403 error. [2024-05-05 11_24_23-Window] Example reply that causes the error is below. Edit: weird, I don’t know why I can edit it in this forum, but in the other forum, I get the 403 error… I have Trust level 4 there, and i tried it on my own reply so permissions should not be an issue.

[image] Divinebaboon: A user suggested that it’s caused by cloudflare… You may be right. Here is a similar topic: [image] Error with code blocks: 403 Forbidden Support Further to this, we nearly always find that 403 errors like this when attempting to create posts (especially with code blocks!) are due to an overzealous WAF believing the code blocks are shellcode or an injection attack. I note that the instance in question seems to be fronted by a WAF: ○ → host hpc-discourse.uni.lu hpc-discourse.uni.lu is an alias for fstc-waf2.uni.lu. and thus I strongly suspect the 403 errors are coming not from Discourse, but from your WAF. Inspecting the headers of th…

加完了所有的卡之后，打开命令行(Terminal.app)。复制粘贴下面的代码。 mkdir ~/Desktop/cards files=(~/Library/Passes/Cards/*.pkpass/cardBackgroundCombined@2x.png) i=0 for f in "${files[@]}"; do i=$(( i + 1 )) cp $f ~/Desktop/cards/$i.png done

Hi, welcome to Meta :wave: Can you check the browser’s console (and Network tab) to understand from what request you get a 403? It’s possibly the draft I think :thinking:. Also, does it still happen in safe mode?

Thanks for the response, I just tried safe-mode with all the checkboxes checked, still happens here are the network and console tabs, these two console tab errors show up when i trigger the error. [3 screenshots] A user suggested that it’s caused by cloudflare..

Thank you for your help, it was indeed Cloudflare WAF.

Unwrapped code block prevents further edits

Product Support

Arkshine May 6, 2024, 12:52am 5

You may be right. Here is a similar topic:

Topic		Replies	Views
Error with code blocks: 403 Forbidden Product Support	2	567	October 2, 2023
Mini profiler causes 403 on attempt to safe draft when editing PM Product Support	3	146	July 31, 2026
Unable to post topic with code block Product Support	5	188	December 16, 2025
403 forbidden and other errors Product Support	4	1565	March 3, 2022
Whenever a post contains "substring" I get a 403 error Product Support	3	732	February 2, 2022

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