[Plug] fun with ipchains

[Darxus <darxus@op.net>]

ipchains is much fun :)

I really shoulda played with this thing a long time ago.

I'm setting it up to block everything by default, and then specifically
allow on a port/host/domain basis (like with tcp wrappers, but at a lower
level).  It rocks.

But what I need to know is... what is the range of valid ports used for
return connections ?

Like... 

I currently have an outgoing ssh connection to a remote host, that looks
like this:

Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 209.152.194.126:2508    209.152.193.3:22 ESTABLISHED

The remote end of the connection is, of course, connected to the ssh port
(22).  The local end is connected to port 2508.  So what's the range (not
specifically for ssh... I believe this is universal?)

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PGP fingerprint = 03 5B 9B A0 16 33 91 2F  A5 77 BC EE 43 71 98 D4
            darxus@op.net / http://www.op.net/~darxus
                         Far Beyond Reason


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