TechRecipes

To to list the compiled-in modules for your Apache installation, use the following command

$ apache2 -l
Compiled in modules:
core.c
mod_log_config.c
mod_logio.c
prefork.c
http_core.c
mod_so.c

For older systems running apache 1.x, the command is as the following, and should produce the same output:

$ httpd -l
Compiled in modules:
core.c
mod_log_config.c
[...]

Apache normally looks for the index files (usually index.html, index.htm, or home.html) when a request is made to a directory path. If Apache cannot find any of the index files, it will return a directory listing.
While this can be useful sometimes, for some other times it might not be desirable. Disabling it is just a [...]

Scalp! is a web log analyzer for the Apache web server that look for security problems. It reads the Apache log and perform log analysis for possible attacks against rulesets provided by PHP-IDS project. It is available for download from it’s Google code page.
Scalp! is currently written in Python though the writer claims he’s now [...]