Re: extern IP

[John Summerfield <debian@ComputerDatasafe.com.au>]

Joost De Cock wrote:

> Quoting Jon <jonmd@optusnet.com.au>:
>  
>
> > On Fri, 16 Jul 2004, Joost De Cock wrote:
> >    
> >
> > > To find out it's address, just do a traceroute:
> > > traceroute debian.org
> > >
> > > First address is the dlink internal interface, second address is the one
> > >      
> > you
> >    
> >
> > > want. (the public address)
> > >      
> > When I do this I get:
> >
> > jon@bowser:~$ traceroute debian.org
> > traceroute to debian.org (192.25.206.10), 30 hops max, 38 byte packets
> > 1  * * *
> > 2  * * *
> > 3  * * *
> > 4  * * *
> > 5  * * *
> > 6  * * *
> > 7  * * *
> > 8  * * *
> > <snip>
> >
> >
> > How come? Blocked somewhere? I can't see my firewall blocking anything; do
> > I need to forward something from the router? I would prefer to use this
> > method than my links -dump parsing.
> >    
>
> Yes, looks like the icmp packets are dropped. Oh well, here's another way:
>  

traceroute uses UDP. Looks like a tight firewall:-)

--

Cheers
John

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