LAN browsing: "The file or directory smb://192.168.0.55/ does not exist."

Nick Austin nick at digitalpipe.net
Wed Jul 24 01:54:19 BST 2002


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If you read RFC1918 which can be found here:
http://www.cis.ohio-state.edu/cgi-bin/rfc/rfc1918.html

You will see that it is impossible to connect to a private IP from the 
public Internet. The only way this information could be useful to a 
potential attacker is after the network was compromised, they may know 
what machines are what.

On Wed, 24 Jul 2002, Carsten Neumann wrote:

> On Mon, 22 Jul 2002, JW wrote:
> > On Monday 22 July 2002 09:26 am, Carsten Neumann wrote:
> > > On Mon, 22 Jul 2002, Terry Carlton wrote:
> > > > Don't you also have to include the name of the shared folder in that?
> > > > <ie> 192.168.0.55/users/tim/shared
> > > > BTW.   .  .not a good idea to show people any of your IP address's
> > >
> > > Why not?
> > >
> > > That's a private address!
> > > You're not very familiar with IP address assignment, Terry, are you? ;-)
> > 
> > You're not very familiar with security, Carsten, are you? ;-)
> > See your nearest bookstore.
> > 
> > Honestly people. At the very least, if you DON'T show your IP no one can use it to crack your internal LAN.
> > Just use xxx.xxx.xxx.xxx. Because if you do show it, it can potentially be used. 
> > Yes, this is a very very small thing in the realm of security. That doesn't mean you should wave it away, Podsnap :-)
> > BTW, the very fact that it is supposed to  be his 'private' IP is all the more reason not to show it.
> > 
> > 
> > May I see your iptables rules, complete with IPs please ;-)
> > 
> > 	JW
> 
> JW,
> 
> as I told: read RFC1597 (and related stuff)!
> Private addresses aren't routed at all (in the public internet).
> And if you don't want to show your IP addresses, you must not use any IP services!
> Every mail shows your IP address in the header.
> 
> If you don't have the slightest notion about the internet protocol, please shut up.
> (As I can see you cannot even distinguish between IP and IP addresses!)
> 
> Thank you
> 
> 	Carsten
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