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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Network
shareInternet-2.2.4.pet - Puppy as router - bugfix
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WB7ODYFred


Joined: 13 Dec 2008
Posts: 104
Location: Oregon & Washington

PostPosted: Sat 21 Jul 2012, 01:15    Post subject: testing connection for Internet Sharing? Ping your computr
Subject description: I also suggest running shareInternet twice more, Stop & Start
 

Ping your Computer to test connectivity between Computer Interfaces.
List the IPTABLES to see what goes where??
For purposes of notation:

Internet<===>WiFi ath5k----Desktop----E'netPort1<==crossover ethernet cable===>Server(2nd desktop)

Internet<===>WiFi 192.168.1.9----Desktop----E'net 10.0.0.4<==crossover ethernet cable===> 10.0.0.40 Server(2nd desktop)

HERE IS the CONNECTIONS here.
1.) Wifi Card and one Ethernet card in PuppyLinux Box
2.)cable to [HUB] cable to [Server static 10.0.0.40]
Quote:
192.168.1.9 (dhcp WIFI Ath5k card) <---> [PuppyLinux CoolPup Box] routing 10.0.0.4 (eht0) <----cable to switch/hub -----> [ switch/hub ]
<------- cable to server -----> [ 10.0.0.40 (eth0) Server set with static IP ] * router DHCP server is turned off (not needed)



This shareInternet app worked for me when I manually ran "AppNow"
I also used Rox-Filer to open diretory /root/my-roxapps/ and just clicked on the directory named shareInternet. It ran the script and placed a green dot over the shareInternet ICON. Now my internet was sharing/routing to the server at IP number 10.0.0.40

Code:
drwxr-xr-x 2 root root   180 2012-07-25 17:12 shareInternet


Here is a sequence of Shell Commands that work for me on PuppyLinux.


    ifconfig ( List wired interface configuration)
    iwconfig ( List wireless interface configuration)
    route -n (what is the present route setup?)
    ping -c 3 he.net (check that we can ping through Wifi to an internet address for Hurricane Electric in Fremont California. ie easy to type address)



    ifconfig eth0 10.0.0.4 netmask 255.255.255.0 up
    ping -c 3 10.0.0.40 (check if I can ping the server at 10.0.0.40 through eth0 from PuppyLinux Box

1. Start Sharing Internet
2. Stopped Sharing Internet (id Flushes out old rules from iptables which maybe causing your source of problems with NOT SHARING! )[/list]
Code:
/sbin/iptables -L -v -n –line-numbers

    3. Start Sharing Internet (initializes IPTABLES with the rules)

Code:
/sbin/iptables -L -v -n –line-numbers
echo 1 > /proc/sys/net/ipv4/ip_forward


4. From the Server Box, Ping the Puppy Linux box (check ethernet cable / hub is connected)
Quote:
ping -c 3 10.0.0.4 (check cable is connected to Puppy Linux box)
ping -c 3 216.218.168.2 (Check if can ping "he.net" website )
ping -c 3 he.net (check if internet connection sharing is working!)

This command exercises the DNS (Domain Naming Service) Look Up from servers outside the PuppyLinux box and the local server box.

Phil Chen has an example of using RAW iptable commands to perform the port forwarding.
http://www.philchen.com/2011/06/21/how-to-port-forward-using-netfilteriptables

Quote:
*Make sure the iptables service is started, then run the script

*Beware /sbin/iptables -F will flush your existing rules if you have any so make sure you run
/sbin/iptables -L -v -n –line-numbers and see. If you have any rules add them to the script.

*If you are using a different src and dst IP you will want to enable ip forwarding:
echo 1 > /proc/sys/net/ipv4/ip_forward


Google is your friend. Good Luck searching and reading.
Well Minded search of Puppy Linux Forums!! Really Good Tool
http://www.wellminded.com/puppy/pupsearch.html

I worked this out for me. Tell / Share with others what worked for you.
"shareInternet" app uses linux shell scripts so will work on most any PuppyLinux version. It is not a binary file tied to ONE version of Linux. It might also work on other Linux Distributions if the script files are edited to match the proper DIRECTORY names for that Linux Distribution. Download and unpack with command
Code:
tar xvf  shareInternet-2.2.4.pet
Then read and study the shell script files.
I ran "firstTime" script to install shareInternet.

The test_share_internet.sh script basically runs the comand to list the IPTables from puppylinux acting as a router. you can see the ethernet eth0 port forwarded to the wifi wlan0 port.
Fred
test_share_internet.tar.gz
Description  test_share_internet.sh bash shell script
test_share_intrnt_output.txt output from test script before and after running shareInternet
shareinternet_image.png Green Dot over shareInternet ICON
shareinternet_image_off.png NO Green Dot over shareInte
gz

 Download 
Filename  test_share_internet.tar.gz 
Filesize  34.41 KB 
Downloaded  643 Time(s) 
shareInternet_image.png
 Description   ShareInternet_image.png with the Green Dot
 Filesize   15.09 KB
 Viewed   2041 Time(s)

shareInternet_image.png


Last edited by WB7ODYFred on Wed 25 Jul 2012, 20:50; edited 3 times in total
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blindsound

Joined: 16 Jul 2012
Posts: 4

PostPosted: Tue 24 Jul 2012, 18:03    Post subject: Great!  

Thanks for the reply Fred !
I'm facing some issues with the computer holding Puppy, so my tests are suspended at the moment.
As soon as I solve it, I will follow you steps.
Thanks again!
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aarf

Joined: 30 Aug 2007
Posts: 3620
Location: around the bend

PostPosted: Mon 06 Aug 2012, 11:48    Post subject:  

havent read the thread through.
want to put these link here for cross reference and so i dont lose this thread when i finally get my new equipment. was worried about getting the right driver for the hostapd pet.
dont know if it is a driver problem with shareinternet.pet for wifi hotspot.

http://www.murga-linux.com/puppy/viewtopic.php?t=68127
http://www.murga-linux.com/puppy/viewtopic.php?t=68045

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gyro

Joined: 28 Oct 2008
Posts: 418
Location: Brisbane, Australia

PostPosted: Tue 21 Aug 2012, 09:18    Post subject:  

Useful things to know about shareInternet.

1) Do NOT use it in conjunction with any "firewall" software, including puppy's own.

Why is it so?

shareInternet does not need to be configured with the 2 network interfaces, it works them out itself,
including which one is the upstream interface and which is the downstream interface.

This is so it can be used just as easily to share a PPP connection over wired ethernet,
as to share a wired ethernet over wifi, or wifi over wired ethernet.

But, this requires the names of the appropriate connections to be reflected in the iptables rules used as the firewall.
So shareInternet generates it's own iptables rules, after it works out which interfaces to use.

2) The other most likely problem with running shareInternet, is configuring the downstream interface.

shareInternet can work it all out provided there are 2 and only 2 active interfaces,
one of which is correctly configured as an upstream interface and the other correctly configured as a downstream interface.

upstream requirements:
Normal client network interface, usually configured using dhcp.

downstream requirements:
Usually this interface is configured statically.
Define an IP address and subnet-mask, in a different subnet from the upstream interface.
i.e. if the upstream network is 192.168.1.0 then choose something like 192.168.2.1 as the IP address of the downstream interface.
Neither a Gateway nor DNS should be supplied for this interface.
The classical network wizard allowed you to do this. Some of the newer network configuration utilities will not.

3) shareInternet can not have driver problems. It is just a script that works out what needs to be done, then runs appropriately configured standard software, in an appropriate manner.

4) If I remember correctly, the pet contains a "dnsmasq" binary. If it does, it might be appropriate to replace it with a newer version.

gyro
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Atle

Joined: 19 Nov 2008
Posts: 283
Location: Oslo, Norway

PostPosted: Wed 05 Sep 2012, 06:55    Post subject:  

Gyro...

What is your opinion on level of difficulty to use ShareInternet and Hostapd, as for sharing a mobile internet connection by using your built in Wlan card(if supported by Hostapd)

I find ShareInternet one of the most inventive Pet's and must say its been REALLY useful and also is a great showcase for Puppy technologies.

Atle
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gyro

Joined: 28 Oct 2008
Posts: 418
Location: Brisbane, Australia

PostPosted: Mon 10 Sep 2012, 10:19    Post subject: hostpad?  

Atle,

Thanks for your kind words.

Sorry that I haven't replied earlier; I don't look in this forum very often these days.

As to Hostpad and ShareInternet, it should not be a problem so long as Hostpad always runs first.
Since ShareInternet's only requirements are 2 active interfaces with IP addresses, 1 of which must have a gateway defined. ShareInternet should not care if wifi interface is a normal client or an AccessPoint. Just remember that if wifi is the downstream interface then it should have a statically defined IP and no gateway defined (since it is the gateway for all downstream devices).

Gyro
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technosaurus


Joined: 18 May 2008
Posts: 4284

PostPosted: Fri 14 Dec 2012, 01:45    Post subject:  

I've been working on a "web accelerator" and ad blocker app (started out of frustration with webpage lockups on waiting for ajax.googleapis.com and kindof exploded as I considered the possibilities)
http://murga-linux.com/puppy/viewtopic.php?t=82639
I was wondering if modification of /etc/hosts or /etc/resolve.conf affected the internet sharing.

For instance, does Pup-advert-blocker block ads on the shared connections?

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gyro

Joined: 28 Oct 2008
Posts: 418
Location: Brisbane, Australia

PostPosted: Mon 07 Jan 2013, 08:51    Post subject:  

technosaurus wrote:
For instance, does Pup-advert-blocker block ads on the shared connections?
If the downstream computers use "dhcp" to configure their network, then "dnsmasq" on the sharing computer will be their dns server. So any changes on the sharing machine that get seen by dnsmasq will affect the dns results for downstream computers.
So, the real answer to your question is in the dnsmasq doco.

However if the downstream computers set their own dns server IP address, then the sharing computer can have no influence on their dns responses.

Once the downstream computers start sending packets to outside IP addresses, only the firewall rules can make a difference.

Gyro
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mpierrat25


Joined: 23 Aug 2007
Posts: 105
Location: France (25)

PostPosted: Wed 20 Feb 2013, 12:28    Post subject: tuto  

[Resolved] sorry forgot this post I just re read the thread and I got it!!

I'like to test and use this facility but failed , please help.

My config :

wrt54G feeding puppypc via Wifi (wlan0 slacko 5.4)
puppypc connected via ethernet (eth0) to android netbook

as soon as i run shareinternet I lost the Internet on wlan0

Please let me know how to setup interfaces.

regards
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Atle

Joined: 19 Nov 2008
Posts: 283
Location: Oslo, Norway

PostPosted: Thu 21 Feb 2013, 00:44    Post subject:  

Has anyone tried, have opinion or experience with replacing the Ethernet with a USB cable? I think my crossed ethernet cable is broken and also see that using USB might... thats a might... be just as good? Or?
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Agnishom

Joined: 19 Aug 2013
Posts: 24
Location: /dev/null

PostPosted: Sun 25 Aug 2013, 09:02    Post subject:  

I am using Lucid Puppy 528. I installed the dotpet but I cannot find an way to start the program.

What to do?
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Semme

Joined: 07 Aug 2011
Posts: 3586
Location: World_Hub

PostPosted: Sun 25 Aug 2013, 09:52    Post subject:  

Agnishom- is pups firewall enabled? You should have a few scripts in /usr/local/shareInternet..

Read on.. you might not need it.
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gyro

Joined: 28 Oct 2008
Posts: 418
Location: Brisbane, Australia

PostPosted: Mon 07 Oct 2013, 11:39    Post subject:  

Agnishom wrote:
I installed the dotpet but I cannot find an way to start the program.
If I remember correctly there is a ROX application somewhere in "/root". Could be in "/root/my-applications" or something like "/root/my-rox-applications".
When you find it, you can just drag it to the desktop.

gyro
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Atle

Joined: 19 Nov 2008
Posts: 283
Location: Oslo, Norway

PostPosted: Tue 22 Oct 2013, 00:52    Post subject:  

Gyro...

I might be out of luck here, but is there a way to share internet using USB cables or even a USB hub? Could that possibly work?

How about "one to one" PC connection as twisted Ehternet does?
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gyro

Joined: 28 Oct 2008
Posts: 418
Location: Brisbane, Australia

PostPosted: Fri 08 Nov 2013, 06:48    Post subject:  

Atle wrote:
I might be out of luck here, but is there a way to share internet using USB cables or even a USB hub? Could that possibly work?
Basically you are out of luck. USB is not usually part of networking.
Atle wrote:
How about "one to one" PC connection as twisted Ehternet does?
Yes, here you have a chance. First thing to watch is that you may need a "crossover" cable.
If you connect both PC's to an ethernet switch, this will be sorted automatically by the switch.

gyro
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