# line 1341 : add (define ACL for internal network)
.....
.....
acl localnet src 172.16.0.0/12          # RFC 1918 local private network (LAN)
acl localnet src 192.168.0.0/16         # RFC 1918 local private network (LAN)
acl localnet src fc00::/7               # RFC 4193 local private network range
acl localnet src fe80::/10              # RFC 4291 link-local (directly plugged)) machines
acl my_localnet src 10.0.0.0/24

# line 1541 : uncomment
http_access deny to_localhost

# line 1552 : comment out and add the line (apply ACL for internal network)
#http_access allow localnet
#http_access allow localhost
http_access allow my_localnet

# line 5943 : add
request_header_access Referer deny all
request_header_access X-Forwarded-For deny all
request_header_access Via deny all
request_header_access Cache-Control deny all

# line 8671 : add
# forwarded_for on
forwarded_for off