Apache/Hardening - Debian Wiki
https://wiki.debian.org/Apache/HardeningSubtract the value in the SHR column from the value in the RES column. Then divide the memory available for apache (leaving a bit of reserve) by this value. Use the result as value for Max Clients. Example: With RES=7000k, SHR=2500k and 400M available for Apache, the result is 400/ (7-2.5) = …
apache2 - Debian Package Tracker
https://tracker.debian.org/apache21 issue left for the package maintainer to handle: CVE-2021-33193 : (postponed; to be fixed through a stable update) A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.
Apache - Debian Wiki
https://wiki.debian.org/ApacheApache is available in Debian, among other WebServers. Installing Apache Install the apache2 package. Modules Debian has many modules for Apache, which package names are usually prefixed with libapache2-mod Once installed, modules can be enabled or disabled with the commands a2enmod and a2dismod.