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68 lines
2.1 KiB
Text
68 lines
2.1 KiB
Text
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firehol is an easy to use but powerfull iptables stateful firewall for
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humans.
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FireHOL uses an extremely simple but powerfull way to define firewall rules
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which it turns into complete stateful iptables firewalls. FireHOL is a
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generic firewall generator, meaning that you can design any kind of local
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or routing stateful packet filtering firewalls with ease.
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You can run FireHOL with the 'helpme' argument, to get a configuration file
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for the system run, which you can modify according to your needs.
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You can find example config files in /usr/doc/firehol-<ver>/examples. This
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directory contains examples from a simple client machine, to a lan-wan
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gateway or an office server.
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The default config file in the package contains only a note about where to
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find config file examples (/usr/doc/firehol-<ver>/examples), because it is
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empty it is not handled as a usual config file. If a user has a real one,
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this "example" is simply deleted.
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There is a get-iana.sh script to fetch reserved IPs from iana, It is
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renamed to firehol-get-iana, and placed to /usr/sbin. You have to run it at
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least once, to silence firehol startup warnings about missing files.
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There is an adblock.sh script to fetch the IPs of popular add servers,
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which can be blacklisted, see the file for the details. It is renamed to
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firehol-adblock and it is in /usr/sbin.
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In addition to the man pages there is a full html documentation in
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/usr/doc/firehol-<ver>/html
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---
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For example this is a sample firewall for simple home machine with samba
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and ssh:
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>version 5
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>
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>interface any world
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> policy reject
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>
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> server dns accept
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> server dhcp accept
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> server icmp accept
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> server ssh accept
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> server samba accept
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>
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> client all accept
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---
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This is a stripped down home server and router configuration (for a
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sophisticated version of this file see /usr/doc/firehol)
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>version 5
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>
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>interface eth0 home
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> server "dns ftp samba squid dhcp http ssh icmp" accept
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> client "samba icmp" accept
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>
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>interface ppp+ internet
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> server "smtp http ftp" accept
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> client allaccept
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>
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>router home2internet inface eth0 outface ppp+
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> route all accept
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