Dit staat er in mijn /etc/natd.conf
dynamic yes
use_sockets yes
same_ports yes
#WinVNC port forward
redirect_port tcp 192.168.1.2:5900 5900
#ICQ Forward
redirect_port tcp 192.168.1.2:2000-2048 2000-2048
#D8 misschien dat udp nodig was voor Licq
redirect_port udp 192.168.1.2:2000-2048 2000-2048
Mijn /etc/rc.ipfw
# rc.ipfw - Firewall Rules
#
# This file is a modified version of /etc/rc.firewall.
#
# Maintained by: D. O'Connor
# Modified: 7/18/2000.
#
# Suck in the configuration variables.
if [ -r /etc/defaults/rc.conf ]; then
. /etc/defaults/rc.conf
source_rc_confs
elif [ -r /etc/rc.conf ]; then
. /etc/rc.conf
fi
if [ -n "${1}" ]; then
firewall_type="${1}"
fi
# Firewall program
fwcmd="/sbin/ipfw"
# Outside interface network and netmask and ip
oif="de0"
onet="1.1.1.1"
omask="255.255.248.0"
oip="1.1.1.1"
# Inside interface network and netmask and ip
iif="rl0"
inet="192.168.1.0"
imask="255.255.255.0"
iip="192.168.1.1"
# My ISP's DNS servers
dns1="1.1.1.1"
# dns2="98.76.54.123"
# Flush previous rules
${fwcmd} -f flush
# Allow loopbacks, deny imposters
${fwcmd} add 100 pass all from any to any via lo0
${fwcmd} add 200 deny all from any to 127.0.0.0/8
# If you're using 'options BRIDGE', uncomment the following line to pass ARP
#${fwcmd} add 300 pass udp from 0.0.0.0 2054 to 0.0.0.0
# Stop spoofing
${fwcmd} add deny all from ${inet}:${imask} to any in via ${oif}
${fwcmd} add deny all from ${onet}:${omask} to any in via ${iif}
# Stop RFC1918 nets on the outside interface
${fwcmd} add deny all from any to 10.0.0.0/8 via ${oif}
${fwcmd} add deny all from any to 172.16.0.0/12 via ${oif}
${fwcmd} add deny all from any to 192.168.0.0/16 via ${oif}
#Socks5 blokkering van buiten
${fwcmd} add 550 deny tcp from any to any 1080 in recv de0 setup
# Stop draft-manning-dsua-03.txt (1 May 2000) nets (includes RESERVED-1,
# DHCP auto-configuration, NET-TEST, MULTICAST (class D), and class E)
# on the outside interface
${fwcmd} add deny all from any to 0.0.0.0/8 via ${oif}
${fwcmd} add deny all from any to 169.254.0.0/16 via ${oif}
${fwcmd} add deny all from any to 192.0.2.0/24 via ${oif}
${fwcmd} add deny all from any to 224.0.0.0/4 via ${oif}
${fwcmd} add deny all from any to 240.0.0.0/4 via ${oif}
# Network Address Translation. This rule is placed here deliberately
# so that it does not interfere with the surrounding address-checking
# rules. If for example one of your internal LAN machines had its IP
# address set to 192.0.2.1 then an incoming packet for it after being
# translated by natd(
would match the `deny' rule above. Similarly
# an outgoing packet originated from it before being translated would
# match the `deny' rule below. ${fwcmd} add divert natd all from any to any via ${oif}
# Stop RFC1918 nets on the outside interface
${fwcmd} add deny all from 10.0.0.0/8 to any via ${oif}
${fwcmd} add deny all from 172.16.0.0/12 to any via ${oif}
${fwcmd} add deny all from 192.168.0.0/16 to any via ${oif}
# Stop draft-manning-dsua-03.txt (1 May 2000) nets (includes RESERVED-1,
# DHCP auto-configuration, NET-TEST, MULTICAST (class D), and class E)
# on the outside interface
${fwcmd} add deny all from 0.0.0.0/8 to any via ${oif}
${fwcmd} add deny all from 169.254.0.0/16 to any via ${oif}
${fwcmd} add deny all from 192.0.2.0/24 to any via ${oif}
${fwcmd} add deny all from 224.0.0.0/4 to any via ${oif}
${fwcmd} add deny all from 240.0.0.0/4 to any via ${oif}
# Allow established connections with minimal overhead
${fwcmd} add pass tcp from any to any established
# Allow IP fragments to pass through
${fwcmd} add pass all from any to any frag
### TCP RULES
# HTTP - Allow access to our web server
${fwcmd} add pass tcp from any to any 80 setup
# SMTP - Allow access to sendmail for incoming e-mail
${fwcmd} add pass tcp from any to any 25 setup
# FTP - Allow incoming data channel for outgoing connections,
# reject & log all incoming control connections
${fwcmd} add pass tcp from any 20 to any 1024-65535 setup
${fwcmd} add deny log tcp from any to any 21 in via ${oif} setup
#WinVNC
${fwcmd} add pass tcp from any to any 5900
#Proxy Server
${fwcmd} add pass tcp from any to any 2064
# ICQ poorten
${fwcmd} add pass tcp from any to any 2000-2400
${fwcmd} add pass udp from any to any 2000-2400
# SSH Login - Allow & Log all incoming
${fwcmd} add pass log tcp from any to any 22 in via ${oif} setup
# IDENT - Reset incoming connections
${fwcmd} add reset tcp from any to any 113 in via ${oif} setup
# Reject&Log all setup of incoming connections from the outside
${fwcmd} add deny log tcp from any to any in via ${oif} setup
# Allow setup of any other TCP connection
${fwcmd} add pass tcp from any to any setup
### UDP RULES
# DNS - Allow queries out in the world
${fwcmd} add pass udp from any to ${dns1} 53
${fwcmd} add pass udp from any to ${dns2} 53
${fwcmd} add pass udp from ${dns1} 53 to any
${fwcmd} add pass udp from ${dns2} 53 to any
# SMB - Allow local traffic
${fwcmd} add pass udp from any to any 137-139 via ${iif}
# SYSLOG - Allow machines on inside net to log to us.
${fwcmd} add pass log udp from any to any 514 via ${iif}
# NTP - Allow queries out in the world
${fwcmd} add pass udp from any 123 to any 123 via ${oif}
${fwcmd} add pass udp from any 123 to any via ${iif}
${fwcmd} add pass udp from any to any 123 via ${iif}
# TRACEROUTE - Allow outgoing
${fwcmd} add pass udp from any to any 33434-33523 out via ${oif}
### ICMP RULES
# ICMP packets
# Allow all ICMP packets on internal interface
${fwcmd} add pass icmp from any to any via ${iif}
# Allow outgoing pings
${fwcmd} add pass icmp from any to any icmptypes 8 out via ${oif}
${fwcmd} add pass icmp from any to any icmptypes 0 in via ${oif}
# Allow Destination Unreachable, Source Quench, Time Exceeded, and Bad Header
${fwcmd} add pass icmp from any to any icmptypes 3,4,11,12 via ${oif}
# Deny the rest of them
${fwcmd} add deny icmp from any to any
### MISCELLANEOUS REJECT RULES
# Reject broadcasts from outside interface
${fwcmd} add 63000 deny ip from any to 0.0.0.255:0.0.0.255 in via ${oif}
# Reject&Log SMB connections on outside interface
${fwcmd} add 64000 deny log udp from any to any 137-139 via ${oif}
# Reject&Log all other connections from outside interface
${fwcmd} add 65000 deny log ip from any to any via ${oif}
# Everything else is denied by default, unless the
# IPFIREWALL_DEFAULT_TO_ACCEPT option is set in your kernel
# config file.
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