Re: Software for WLAN Hotspot
Well, I'll consider Kourosh's suggestions at first.
But, actually, I've some ideas how I could solve the problem for me and
probably for some other, too.
Mainly, my idea is limited through my programming skill, but it should
Just tell me how you think about my considerations...
If we work with iptables, we have to authenticate the client in some
way. Though I think it is possible to extend iptables, this would exceed
my abilitys a lot.
So, I would use existing possibilitys, of which mac address filtering is
the safest for my purpose.
Now there are two possibilities:
1. Writing a web-based interface, for example with PHP, to log in.
Then a C/C++ based daemon adds some iptablesrules, which allow the
client to go online.
+: platform independent
-: one has to enter his MAC address, for I don't know any possibility to
determine ones ip through PHP (and I don't think this is possible?)
2. Daemon as above, but with clientsoftware which sends password and
MAC-address to server. (because they are one-time, they can be
+: See above
The daemon uses an SQL database to store information about the time left
The program can even be extended that way, that users can log out and
use the leftover later. (Then one should consider ebncrypted passwords)
What do you think about this concept? Problems? Complete rubish? A good
This would be the way, I, as a non professional, would solve it after
one day consideration....
Stefan Neufeind wrote:
thought about such a solution with open-source also already - as well
as searched and asked. But wasn't able to find a good and working
solution. Well it seems you need to hook up the proxy somehow with
variable rules that know if a certain user is currently logged on or
not, that auto-logoff the user after a certain inactivity etc.
But combined with that please keep in mind that you also need some
way to also allow pop3 etc. So you basically need to hook up firewall
rules (netfilter) in my eyes. This might be really brilliant solution
if you manage to get it running - but I suppose stable netfilter-
drivers are hard to write and don't exist in open-source-world yet.
So if you might think of opening a project or maybe find something
I'd be happy if you would let me know.
On 15 Aug 2003 at 17:35, Kay-Michael Voit wrote:
I'm considering to build up a public wlan hotspot. I need time-limited
authentification, mainly for identity logging purposes, not for
billing. I thougt about buying tickets (perhaps around 1 EUR/h) with
time-limited username and password on it.
Where should I put in the authentification? At the proxy? Which
software should I use? afaik I have to open the wlan, do I? How do
commercial solutions work?
I need only very basic answer, only something to search for. I don't
really know what to begin with....