On 1/16/25 11:27, Marc wrote:
I have currently some abuse page that notifies the ip is blocked. I am generating this page with php because I want to display the ip adres on this page. Is there a more efficient way to generate a page with one line of text and the blocked ip address? Maybe directly in apache without using php-fpm?
You can do just about anything you like with mod_lua, including rate limiting, custom block messages, and more.
If you already know that an IP is supposed to be blocked, you can use the LuaQuickHandler[1] to serve up a message before any other processing happens in httpd (a quick handler fires as soon as a request is mapped to a virtual host, but before any file-system/rewrite/auth/whatever runs).
If you'd rather do it as a filter on responses, you can use the LuaOutputFilter[2] directive and set up a filter.
We make use of both of those at the ASF itself for rate- and bandwidth- limiting on select services, and it works well.
[1] https://httpd.apache.org/docs/trunk/mod/mod_lua.html#luaquickhandler [2] https://httpd.apache.org/docs/trunk/mod/mod_lua.html#luaoutputfilter
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