[ubuntu-in] proxyless internet connection sharing

[Pritam Baral]

Errata: 10.4.0.1:5124 should be 10.42.0.1:5124 on the second sudo iptables
 command

*Regards,*

*Chhatoi Pritam Baral*



On Wed, Jun 20, 2012 at 11:07 AM, Pritam Baral <pritam at pritambaral.co.cc>wrote:

> On similar lines, I have set-up transparent proxy so that devices
> connecting to my WiFi do not need to set-up proxy on their own (but will
> still work if they do.) Note however, that this is an Infrastructure
> Wireless network I created (much like what Connectify does on Windows.)
>
> I have used a modified set of iptables rules for sharing internet over
> Ad-Hoc WiFi network, but haven't updated it on the blog. However, here are
> the commands:
>
> sudo iptables -t nat -A PREROUTING -i wlan0 -p tcp -m tcp --dport 80 -j
> DNAT --to-destination 10.42.0.1:5123
> sudo iptables -t nat -A PREROUTING -i wlan0 -p tcp -m tcp --dport 443 -j
> DNAT --to-destination 10.4.0.1:5124
>
> *NB: 10.42.0.1 is the local Wireless interface address under Ad-Hoc as
> created by NetWorkManager. 192.168.0.1 is the address if you follow my
> previous blog posts on creating Infrastructure Wireless APs*
>
> please note that *iptables-restore* washes away previous rules, but the
> two commands above only add to iptables, not replace them (much like the
> difference between > and >> in bash redirection)
>
> http://pritambaral.com/2012/05/device-agnostic-transparent-proxy-on-wifi/
>
> *Regards,*
>
> *Chhatoi Pritam Baral*
>
>
>
> On Wed, Jun 20, 2012 at 10:55 AM, Alok Singh Mahor <alokmahor at gmail.com>wrote:
>
>> Hi all,
>> I used to access internet via proxy server. (no direct connection is
>> available for me)
>> when I share my internet connection to other laptop one need to set proxy
>> in that laptop too. (I share internet connection using network manager)
>>
>> I want to share my internet that can work without proxy (so there will be
>> no need to set proxy on the laptop which is accessing my internet
>> connection)
>> please suggest me some method
>> thank you
>>
>> --
>> Alok Singh Mahor
>> http://alokmahor.co.cc
>> Join the next generation of computing, Open Source and Linux/GNU!!
>>
>>
>> --
>> ubuntu-in mailing list
>> ubuntu-in at lists.ubuntu.com
>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-in
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/ubuntu-in/attachments/20120620/f7832f13/attachment.html>