Netfilter for IP Masquerade

    Date 15 Feb 2001
    Category Firewalls
    5328
    Posted By Anthony Pell
    As of 2.4, ipchains is a thing of the past. The replacement for ipchains is Netfilter's iptables. What does this mean to the end user? Typically it means little beyond the fact that suddenly their ipmasq script doesn't work. So, for . . .
    As of 2.4, ipchains is a thing of the past. The replacement for ipchains is Netfilter's iptables. What does this mean to the end user? Typically it means little beyond the fact that suddenly their ipmasq script doesn't work. So, for starters let's get into setting up ipmasq under 2.4.x kernels. Connection tracking is a new feature of netfilter that allows you to accept or deny a packet based on the state of the connection rather than the strict allow/deny of ipchains. NAT of course stands for Network Address Translation, the key feature behind IP Masquerade. The other entries in this menu are optional, enable them as you please and recompile the kernel if needed.

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