[MLB-WIRELESS] MW Intranet DNS & Redirection

[Richard Van Orsouw]

Easy?

> >filter port 80 request for a particular subnet
> 
> 
> 
> ----------
> From: 	Ben Anderson
> Sent: 	Friday, 28 November 2003 11:34
> To: 	Richard Van Orsouw; Melbourne Wirless
> Subject: 	Re: [MLB-WIRELESS] MW Intranet DNS & Redirection
> 
> 
> The iptables rule is easy:
> iptables -t nat -A PREROUTING -p TCP --dport 80 -j REDIRECT 80
> 
> Don't forget to use something like mod_rewrite to convince apache to
> respond
> to every http request with it's own page!
> 
> Regards,
> Ben.
> 
> 
> > Excuse the late reply,
> > I'm running a similar setup to Dan ie AP, Omni, DHCP server.
> > But I am also having similar problems, whereby I get my DHCP server
> issuing
> > IP address's to hosts who never visit the router address in their web
> > browser (using webalizer stats). What we need is ipchains/iptables/ipfw
> to
> > filter port 80 request for a particular subnet to automatically take it
> to
> a
> > "Welcome to Melbourne Wireless, blah blah blah" site which details on
> how
> to
> > connect permanently. Once this node is permanently connected, that IP
> > address can be taken off the filter. I think that people are connecting
> to
> > my node thinking that they can get free internet, but I would like to
> > "educate" them by visiting this website. Could some help me out on the
> > iptables/ipchains rules?
> >
> > L8r.
> >
> > > ----------
> > > From: Dan Flett
> > > Sent: Thursday, 20 November 2003 15:05
> > > To: Melbourne Wirless
> > > Subject: [MLB-WIRELESS] MW Intranet DNS & Redirection
> > >
> > > Hi all,
> > >
> > > From looking through the Wiki it looks like DNS for the MW network has
> > > been discussed at length in the past, but I'm wondering has there been
> any
> > > recent discussion or developments?  I am Node GMR and personally, I
> can
> > > navigate quite well just typing 10.10.x.x numbers into my browser.
> I'm
> > > just concerned that not being able to type in human-readable names
> into
> a
> > > browser will make using the network less user-friendly for the
> less-geeky
> > > punters.
> > >
> > > On a related topic, I run an access point at my node with DHCP.  From
> > > looking at the leases log I see that I get the occasional visitor
> > > assocating with my AP.  I'm pretty sure that these visitors are either
> my
> > > neighbors' home computers associating by accident, or wardrivers
> looking
> > > for Internet and home networks to probe.  I'm thinking that once they
> > > associate, they probably think they have Internet access.  So when
> they're
> > > connected they're going to type something like " www.google.com" into
> > > their browsers.  And they're going to get a 404 error.
> > >
> > > Is there some way to redirect these requests to my local web page at
> > > 10.10.145.45 or any other web page of my choosing?  All these chance
> > > associations that people are having with my AP are a great chance to
> > > spread the word about Melbourne Wireless and the network.  But I don't
> > > think any of them are going to go to the trouble of looking at the
> default
> > > gateway that my DHCP gives them and then typing that address into
> their
> > > browser.  Instead of a 404 I want them to see a web page that explains
> why
> > > they're not seeing Google and tells them what the Melbourne Wireless
> > > Intranet is.
> > >
> > > Cheers,
> > >
> > > Dan
> > >
> >
> > To unsubscribe: send mail to majordomo at wireless.org.au
> > with "unsubscribe melbwireless" in the body of the message
> >
> >
> 
> 
> 

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