[Dshield] NETBIOS ports

John Sage jsage at finchhaven.com
Sat Jun 1 03:52:26 GMT 2002

Check out "Linux Advanced Routing & Traffic Control" at:


and particularily the HOWTO:


It explains all the uses of the "ip" command family - which is
available in many distros in the 2.2.x kernel series, as well as 2.4.x

As to your question, I'd say that "ip" works on the kernel's routing
table, whereas "iptables" commands don't - although they may have the
same effect.

Having stuck my neck out, I'll now let someone who knows what they're
talking about whack my head off :-/

- John
"You are in a little maze of twisty passages, all different."

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On Fri, May 31, 2002 at 09:34:34AM -0700, Kenneth Porter wrote:
> On Fri, 2002-05-31 at 09:03, John Hardin wrote:
> > On Fri, 2002-05-31 at 06:54, Kenneth Porter wrote:
> > > I recently switched my Linux firewall from ipchains to iptables because
> > > I needed inbound NAT and the ipchains emulation module lacks that.
> > 
> > ipchains has nothing to do with that. Take a look at iproute2.
> > 
> >    ip route add nat {extaddr} via {intaddr}
> This is a 2.4 kernel. Does that command do the same thing to the kernel
> as "iptables -t nat -j DNAT" do?
> (I'm using fwbuilder (http://www.fwbuilder.org/) to create my iptables
> script, and it generates these kinds of statements for SNAT and DNAT.)

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