Question.
Is it possible to set up a router to act as a proxy?
What I want to do is access my house router from work and use it to view websites (egg facebook or Utopia-game) that are normally blocked by an internal filter using my house adsl connection.
I can use my mobile in the office, but some rigs have blocks on 'games' websites offshore. Utopia lasts 3 months per game and needs daily access.

Is such a thing possible?

You could VPN in to your home network and providing "split tunneling" is disabled on the vpn client all traffic would go out through your home connection.

The options depend on what hardware you're able to leave switched on, and what hardware you are using. Are you going to be accessing it via your own laptop?

Some routers have VPN capabilities. What router do you have?

If not the router, then you can set up a VPN end point on a PC and set the router to port-forward.

Do you have a static IP at home? If not, you'll want to use a dynamic DNS service. Most routers support one, or you can run the client on the PC.

If you want to use a proxy rather than a VPN, it gets a little more complicated. If you have OpenWRT or any Linux based router, then something like Polipo might run on it. There's also a Windows build of it. I have no experience of it though; there may well be better options.

You could also just use something like Logmein, but it's a painful experience on a slow web connection.

Is be using my own laptop.
My router is a netgear N300 ADSL2+ dgn 2200 v3.

I'm not fussed how it works, as long add it works.

test. for some reason I get an error 406 replying. Trying it a line at a time...
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I don't think the N300 has VPN (the older Netgears did) so the easiest thing is to set it up on your PC and remember to leave it turned on.

Assuming Windows XP or newer, in networking click "change adaptor settings". From the File menu, select "New Incoming Connection".

Select

a user or set up a new one - make sure the password is secure. Then it's pretty much next next next.

On the router, under "services" set up a new service called PPTP with port 1723. Add the service under "Firewall", pointing to the IP of your PC.

On your laptop, under networking click "set up a new connection or network", "Connect to a workplace", "Use my internet", then add your public IP address and give it a name like "Home VPN". Put in the username and password you chose earlier.

You most likely won't be able to test it from home because it won't wrap back on itself.

On the rig, in networking just "connect to network" and choose the VPN. You might need to check that "use default gateway on remote computer" is ticked. If all is well, as long as it's connected you'll have encrypted internet access.

LMFA it thinks "select a usur" is the start of an SQL injection or something.

That would be kind of hard. I take my laptop offshore with me. I don't have a desktop to leave on in the house.

Can't you just use TOR? Or is access to The Onion Router also blocked?

That's why I first asked what hardware you'd be willing to leave on...

You can always rent a VPN. They're only a few pounds a month.

For example, this one just popped up on an advert: https://www.privateinternetaccess.com/

I have a friend who uses one to get around Virgin's throttling policies, and it works well. They don't throttle any VPN traffic. Let me know if you're interested and I'll ask which one he uses.

If you want to just test the theory, I'll set one up here you can test.