Restrict access to a file (debug.log) on Apache webserver

.htaccess

# Restrict access to debug.log only to certain IPs
<Files "debug.log">
	<IfModule mod_authz_core.c>
		# Multiple IP (network) addresses need to be separated by space
		Require ip 127.0.0.1
	</IfModule>
	<IfModule !mod_authz_core.c>
		Order deny,allow
		Deny from all
		# Multiple IP (network) addresses need to be separated by space
		Allow from 127.0.0.1
	</IfModule>
</Files>