Restricting internet sharing from wireless router

  Strawbie 14:02 09 Jan 08
Locked

Hi all,

My friend has Virgin Media broadband and has just bought a Linksys wireless router. He has set it up so that he has a cabled connection from his router to his desktop pc and he also uses the router to get wireless access with his Playstation 3, PSP and laptop.

The problem is his housemate keeps plugging a cable into the router and using the internet connection. We have set up the wireless security with a password but can't figure out how to stop him from just plugging in a cable to use the connection.

My friend has asked his housemate to stop doing it but he wont stop and we cant move the router to another location. Is there any way we can password protect access through the router?

  Technotiger 14:07 09 Jan 08

Your housemate is breaking the law - stealing another persons broadband is illegal, threaten him/her with the consequences.

  T0SH 14:11 09 Jan 08

Some routers support mac address filtering on both wireless and wired connections where only those with mac addresses entered can connect with that an password protected router setup access will stop all but the most determined , not sure of this on the Linksys though

Cheers HC

  bobbybowls 14:14 09 Jan 08

find the mac address or ip of his pc and block it, or set static ip addresses for your equipment and only allow them or there mac addresses. the mac address will be on the case of the machine usually bottom or back. specify make and model of router for more help.

  Strawbie 14:28 09 Jan 08

Thanks for the replies so far. The router is a Linksys WRT54GS wireless router. We tried setting a static IP address but it messed up the connection and Virgin Media's tech support couldn't help us, so we had to put it back.

I've had a look at the Linksys website but it appears that the MAC filtering is only for wireless devices but it would be great if anyone knows a way to do it for all connections as we can't get into the housemate's computer to find out his MAC address. He built the machine himself so it's not on the case, it's just a generic beige tower.

  Technotiger 14:46 09 Jan 08

I am assuming your thieving housemate only plugs his computer in to your setup when you are not there - can you not remove the router and put it away somewhere secure! Other-wise perhaps a 10lb lump-hammer-to-pc might do a better job!

  T0SH 14:00 10 Jan 08

To find your flatmates mac addy check your routers connection logs for a date you know he was connected, eliminate your own pc`s mac addy`s from the list the one left must be his?

Other way is to fit some sort of locked cover over the routers ethernet ports so you can only connect wirelessly then use the mac filter to exclude all other mac addys

Googled and found this so ethernet port security has been invented ? not exactly what you want but getting close

click here

Cheers HC

  T0SH 15:06 10 Jan 08

Here is the answer fit one to each of your wired connections, then fit them on plugs without cables connected in the spare ports

click here

Cheers HC

  Strawbie 11:56 11 Jan 08

Thanks Tosh, those look like a good solution.

The other thing we are looking at is the possibility of flashing an open-source firmware (such as DD-WRT) onto the router that might have more options to restrict access. There are quite a few available so we're going through each one trying to determine if it will do the job.

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