164 lines
4.5 KiB
Plaintext
Executable File
164 lines
4.5 KiB
Plaintext
Executable File
# Config file version. Don't change this. Will be used some day to
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# figure out if we need to alert the user that they need to redo their
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# config file.
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CONFIG_VERSION=0.9
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# This is for testing purposes.
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IPTABLES=/bin/true
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IP6TABLES=/bin/true
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# Uncomment below to actually activate firewall
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#IPTABLES=/sbin/iptables
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#IP6TABLES=/sbin/ip6tables
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#This is important for loading kernel modules
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MODPROBE=/sbin/modprobe
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# Don't forget to rename this file to 'options'!
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# I'm trying to make this config as simple as possible. Comment out
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# options you don't want to use, uncomment them to use them.
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# Do we want NAT/Conntrack/Forward features?
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#NAT=1
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#CONNTRACK=1
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#FORWARD=1
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# Blocking incoming connections by default?
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#BLOCKINCOMING=1
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# Clamp MSS, useful on DSL/VPN links
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# Space separated list of interfaces to apply this on
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#CLAMPMSS="ppp0 eth0"
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# Do we run a LAN DHCP server?
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#LANDHCPSERVER=1
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# Internal Interface
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#INTINF=ppp+
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# Port forwardings, requires NAT
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#PORTFW=$BASEDIR/port-forwards
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# Multiport support?
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# yes/no/auto (auto will try to detect if we support multiport or not,
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# may not always work but is recommended unless you have a reason otherwise)
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IPTABLES_MULTIPORT=auto
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# Multiport options - use to override defaults
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#NF_MULTIPORT="xt_multiport"
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#NF_MULTIPORT_MAX_PORTS="7"
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# TCP/UDP/Protocol to allow
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TCPPORTS="20 21 22 53 80 113 123 443"
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UDPPORTS="53"
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# common protocols to allow include ipsec, gre, and ipv6
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ALLOWEDPROTO="41 47 50 51"
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# IPs that are allowed to bypass firewall
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TRUSTEDIP="127.0.0.1"
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# Don't track these IPs, useful in some occasions. Don't
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# use otherwise.
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DONTTRACK="127.0.0.1"
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# IP range(s) to forward
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ROUTING=$BASEDIR/ipv4-routing
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# Mark ipv4 packets for advanced purposes
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IPv4_MARK=$BASEDIR/ipv4-marks
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# Hacks to either block specific kinds of attacks or fix problems
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#
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# NS-IN-DDOS - Block DNS DDoS using NS/IN spoof, see:
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# http://www.stupendous.net/archives/2009/01/24/dropping-spurious-nsin-recursive-queries/
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#
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# MULTI-NIC-ARP-LOCK - By default, in Linux, arp requests may be answered by interfaces that
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# do not actually have the IP in question. In some (alot in my case),
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# I have things going through specific wires for a reason. This fixes
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# that and makes it behave as expected.
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#
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HACK_IPV4="NS-IN-DDOS"
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#==============
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# Obsolete - DO NOT USE ANYMORE. Will be removed in 1.0
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# IP ranges(s) to NAT using SNAT.
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#NATRANGE="192.168.1.0/24"
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# External IP and interface for SNAT
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#NATEXTIP="172.16.1.1"
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#NATEXTIF="eth0"
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#==============
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# IP NAT Rules
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# SNAT:<INT IF>:<INT IP>:<EXT IF>:<EXT IP>
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# MASQ:<INT IF>:<INT IP>:<EXT IF>
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#NAT_RANGE=
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# IP Ranges to block all traffic incoming/outgoing
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BLOCKEDIP=$BASEDIR/blocked
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# Block outgoing traffic on these TCP/UDP ports
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#BLOCKTCPPORTS="6881"
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#BLOCKUDPPORTS="6881"
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# Strip ECN off of packets - helps with blackholes
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# Either individual IPs or 0.0.0.0/0
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STRIPECN="0.0.0.0/0"
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# Block private LAN traffic (RFC reserved space) going OUT on these interfaces
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# for security reasons. This has the potential to cause issues if your
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# provider uses private IP space for uplinks in PPPoE/PPPoA, so don't use it
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# and use BLOCK_INCOMING_RFC1981 instead.
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#BLOCK_OUTGOING_RFC1918="ppp0"
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# Block private LAN traffic (RFC reserved space) coming IN on these interfaces
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# for security reasons. This is a bit more safer to use if your provider uses
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# private IP space for the other end of PPP links.
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#BLOCK_INCOMING_RFC1918="ppp0"
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# RFC1918 Space override, don't change or uncomment this unless you absolutely need to
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#RFC1918_SPACE="192.168.0.0/16 172.16.0.0/12 10.0.0.0/8"
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# IPv6 related features. Commenting out IPV6 variable disables ALL
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# IPv6 related items
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IPV6=1
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# IPv6 Forwarding
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#IPV6FORWARD=1
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# Default block all incoming ipv6 connections?
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IPV6BLOCKINCOMING=1
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# Special case for routers that have ipv6 clients behind them.
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# Useful if clients do not have proper ipv6 firewalls.
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#IPV6ROUTEDCLIENTBLOCK=1
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# Clamp MSS, useful on DSL/VPN links
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# Space separated list of interfaces to apply this on
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# it may be used eventually.
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#CLAMPMSSIPV6="he-ipv6"
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# Interface IPv6 comes in on (either tunnel or real network interface)
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#IPV6INT=he-ipv6
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# LAN interface for IPv6
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#IPV6LAN=eth1
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# Trusted IPv6 ranges
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IPV6TRUSTED="::1"
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# Allowed incoming IPv6 ports (for now, use $TCPPORTS and $UDPPORTS to
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# have same for both ipv4 and ipv6)
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IPV6TCP=$TCPPORTS
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IPV6UDP=$UDPPORTS
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# IPv6 range to forward
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#IPV6FORWARDRANGE=""
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# Block outgoing IPv6 traffic on these TCP/UDP ports
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#BLOCKIPV6TCPPORTS=$BLOCKTCPPORTS
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#BLOCKIPV6UDPPORTS=$BLOCKUDPPORTS
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