Apache
mod_deflate & mod_headers for gzip compressions
suexec
php-suexec (custom patch)
	NOT apxs (standalone!)
	force-cgi-redirect
	discard-path
	ftp
	memory-limit
	imap=/usr/local/lib
	pgsql=/usr/local/pgsql
	mysql

SSL
##mod_throttle or similar bandwidth quotas: per-user, must traverse virtual hosts
mod_cband (throttling)