Adding ipnat to FreeBSD 3.* See also IP Filter – an alternative firewall and NAT to ipfw/natd. If you are planning on doing Network Address Translation (NAT) or IP Masquerade (the Linux term for it), then under FreeBSD 3.*, you can easily use ipnat. This is a great little tool provided by Darren Reed as part of […]
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IP Filter won’t load – what I did when IP Filter didn’t load When you are upgrading your system to a newer version of FreeBSD, you need to recompile IP Filter. This section describes the problem I encountered when upgrading to FreeBSD 3.1-RELEASE from FreeBSD 2.2.8-STABLE and how I fixed it. The symptoms I
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NAT rules – for IP Filter NAT, or Network Address Translation, is also referred to as IP Aliasing and IP Masquerading. NAT is a method for translating internal intranet (private) address to external (public) Internet addresses. In order for NAT to work, your box needs to be set up as a gateway. This allows your
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IP Filter – second time around This article is now outdated. For FreeBSD 3.* and ipf 3.3.3, see Installing IP Filter 3.3.3 This diary note describes how I installed IP Filter for the second time. I strongly suggest you follow the instructions within INST.FreeBSD-2.2 in conjunction with my detailed steps from my original IP
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Firewalls – converting from IP filter to natd/ipfw In a previous diary note, I wrote about IP Filter (an alternative firewall and NAT to ipfw/natd). I wrote about how to install IP Filter, how to configure it, and how to add rules. This article will be about removing IP Filter and replacing it with natd/ipfw.
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Firewalls – an overview A firewall is a fireproof wall to prevent spread of fire. Some examples of firewalls most people know about are: between the engine and passenger compartments of a vehicle between the walls of two attached buildings between a house and an attached garage In computing terms, a firewall protects a computer
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IP Filter – an alternative firewall and NAT to ipfw/natd This article is now outdated. For FreeBSD 3.* and ipf 3.3.3, see Installing IP Filter 3.3.3 See also IP Filter – second time around and Adding ipnat to FreeBSD 3.*. You may have seen the problems I was having with natd and ipfw. It was
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Firewall rules – some more work see also Firewalls / ipfw – protect your subnet I think I still have more work to do on my firewall rules. Here are the areas which need work: $fwcmd add deny all from any to 192.168.0.0:255.255.0.0 via ${oif} IRC setup – the existing rule set doesn’t allow new
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