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  1. Replies
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    [ubuntu] Re: how to route traffic through my pc?

    It sounds as though you're on the right track.

    I'm not convinced you will need masquerading considering your eth0 interface is on private address space. One would assume your upstream gateway will...
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    [ubuntu] Re: how to route traffic through my pc?

    sudo -i is fine, but you may want to check if this setting is still applied after a reboot.

    Yes, changing the default gateway is what you will need to do. It's unusual, but your router doesn't...
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    [other] Re: DNS Query question

    The checksum is located in either the IP or UDP headers, so it may not be a DNS specific issue. From some reading on how the IPv4 checksums are calculated, a 0x00 value definitely looks incorrect....
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    [ubuntu] Re: how to route traffic through my pc?

    Cool. The three things I wrote at the top will need to be done to complete this.

    The reason IP forwarding needs to be enabled on the laptop connected to the modem is because by default a computer...
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    [ubuntu] Re: how to route traffic through my pc?

    Hey, yeah I think we're on the same page.

    I have drawn a couple of diagrams (attached to this post) to try and represent it. Let me know if this is what you're after.
  6. [ubuntu] Re: multiple nics, connection from 'other' subnet does not respond

    Hi.

    If not already done so, you will need to enable IP forwarding (routing) on your server. This link will show you how:

    http://www.ducea.com/2006/08/01/how-to-enable-ip-forwarding-in-linux/
    ...
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    [ubuntu] Re: how to route traffic through my pc?

    You will need to do a few things:

    1. Enable IP forwarding, this will allow your PC to route traffic between interfaces. There are a few ways of doing this, but you will likely want to do this...
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    [ubuntu] Re: Iptables forwarding question

    Hi levicivita.

    Is this connection failing when initiated from inside or outside the LAN?

    If traffic is initiated inside your LAN the connection will fail, because the host initiating the...
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    [ubuntu] Re: Karmic: Changing default desktop-login sound

    Thanks, I looked around there, couldnt find anything, I searched for the file name of the sound clip but it didnt show anything.

    The sound played is called 'system-ready.ogg' in /usr somewhere....
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    [ubuntu] Re: Karmic: Changing default desktop-login sound

    This seems the same in the Netbook Remix of Karmic im using on my Dell Mini 9. Not only can I not change the sound clip, I also can't seem to disable it either.

    Under Pref > Sound I clicked 'No...
  11. [ubuntu] Re: Receiving/sending Packets but internet not working?

    From what ive seen you have to use ndiswrappers. Try following some of these links...

    http://ubuntuforums.org/showthread.php?t=529090

    http://ubuntuforums.org/showthread.php?p=2077497

    ...and...
  12. [ubuntu] Re: Receiving/sending Packets but internet not working?

    Hmmm... I was expecting to see decidedly more information, oh well. I think you're using a Trendware wireless card. Is this a laptop, with a builtin wireless card? or a Desktop with a PCI wireless...
  13. [ubuntu] Re: Receiving/sending Packets but internet not working?

    You might want to look at exactly which wireless card you have. I think you can find this from a 'sudo lshw -C network' and check you are using the right drivers. Post the output from that command on...
  14. [ubuntu] Re: Receiving/sending Packets but internet not working?

    You're not receiving a ping response from inside your gateway, but hey! thats not a problem. The good news is that you're seeing an arp reply.

    At first glance it would appear asthough you arent...
  15. [ubuntu] Re: Receiving/sending Packets but internet not working?

    Your arp table is saying you haven't received an arp response from your gateway (or it has timed out).

    Can you now post me the following ...


    ping 192.168.0.1 -c 5

    arp -n

    ping...
  16. [ubuntu] Re: Receiving/sending Packets but internet not working?

    Hi adamant715, Can you open a terminal and post the outputs from these commands while you are suffering from the problem?


    'iwconfig'

    'ifconfig -a'

    'arp -n'

    'cat /etc/resolv.conf'
  17. [SOLVED] Re: ICS - address dectection showing local address

    lytithwyn, is this rule needed for squid? (see below) It may very well be needed, I must admit I have never used squid. It just doesnt seem to make sense...


    iptables -t nat -A PREROUTING -i eth0...
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    [ubuntu] Re: Routing Traffic Through SOCKS5 Proxy

    Sorry....to also answer your question. The iptables rule was then changing all your web requests going out to the internet to have a DPORT of 8080 (which the majority of webservers dont reply on)
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    [ubuntu] Re: Routing Traffic Through SOCKS5 Proxy

    Ive tried using the socket after the REDIRECT action and it spits it out as a syntax mistake.

    Ive seen a lot of people using the DNAT instead of REDIRECT action. To me this doesnt make sense, but...
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    [ubuntu] Re: Redirect VPN connection though proxy

    mridang, firewalls can filter traffic at layer 7 (ie, the actual payload of the packet) but mostly they filter at layers 3/4. (IP address and Port number). SSH tunneling is a great way of getting...
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    [all variants] Re: Aggregate multiple ISPs

    Hi Ellixis, Having had a quick look at this, the biggest problem i can see is IP space from different ISP's. Aggregating those 3 VPNs into some bond0 interface will necessitate the use of a public...
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    [ubuntu] Re: Routing Traffic Through SOCKS5 Proxy

    Where is the SOCKS proxy? could you put together an ascii diagram?

    Something like this perhaps?


    iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
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    [all variants] Re: Can't get eth0 forwarded to ppp0

    There are lots of things wrong here, I can take a look at it, but I wont write it all out unless you are still having problems? Let me know and ill take a look :-)

    Whats the physical medium of the...
  24. [SOLVED] Re: ICS - address dectection showing local address

    The fact that checkip.dyndns.org displays that private IP address is very strange. Your ISP will drop any packets from private address space long before it makes it to checkip.dyndns.org. Perhaps it...
  25. [SOLVED] Re: Hardware needed to set up an old computer as a router?

    Has it got space for another PCI ethernet card? that is all you would need. How is your internet connection presented in your home? ...i,e DSL modem, Cable modem etc...
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