I have been learning as much as possible about Linux and networking. There
is a huge amount of
information available, and I have done extensive searches of www.google.com,
Linux HOWTOs, and
several textbooks. I do have a couple of questions which I can't seem to
find a direct answer to:
What is the distinction between IPCHAINS, IPTables, IP-Masquerade,
IPFWADM and NETFILTER?
Am I correct in saying that the evolution of the Linux firewall was:
IPFWADM ---> IPCHAINS ---> IPTables?
Where does IP-Masquerade fit into this mix? Under IPCHAINS I have
rules that I can MASQ
packets leaving my internet network. Is this the same thing, or is
IP-Masquerade a separate
program?
What about netfilter?
Sorry about the stupid question, I really have tried to find the answer, but
I want to understand this
clearly before moving on. A strong foundation means a more secure network.
I have been up until
now a Checkpoint Firewall-1 user on NT, but would like to switch all to
Linux eventually.
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