[Wolves] status page on firewall

[David Morley]

On 18/09/05, Simon Morris <mozrat at gmail.com> wrote:
> On 9/18/05, David Morley <davmor2 at gmail.com> wrote:
> > I'm just having a proper look through my firewall config, and on the
> > status page I'm a bit confused there are three sets of settings, now I
> > know it's probably obvious to some but I don't know what they are.
> >
> > 1) eth0 and eth1 I know are the physical card and there settings
> > 2) lo  which I think I'm right in thinking is a loopback setting?
> > 3) IPSEC0 to IPSEC4 this is the one I have no idea on.
> >
> > can any one help please with just confirming what I have right what
> > isn't right and what the third one is.  Also what is the loopback
> > thing?
> >
> 
> David,
> 
> The loopback interfaces is there as some services and applications
> require a network... even on machines without an ethernet card. So
> there is a virtual loopback interface there at all times which never
> goes down.
> 
> You can ping it on IP address 127.0.0.1
> 
> IPSEC0-4 are interfaces which deal with possible VPN (Virtual Private
> Network) interfaces? Certainly something to do with sending packets
> over the network which are encrypted to protect their privacy
> 
> Thanks
> 
> ~sm
> 
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Thanks.
-- 
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