Re: Home wireless free hotspot

[ultrique () hotmail com]

John,

Any open wireless device is a bad idea (and normally a breach of the TOC by your ISP) so I advise securing it with at 
least a WPA Personal enabled access point/router and giving the connection details to your neighbour... also be aware 
that due to the way wireless works if you have 2 devices of the same type (802.11a,b-g,n) together you must choose 
seperate channels in the access point/router when setting them up otherwise you get conflicts and possibly loss of 
connectivity while they fight over the channel.

Unless you have some sort of mid tier router/firewall such as a cisco router your unlikely to be able to control 
traffic flow between your computers and the "other" devices on the network.  The only way I can imagine you doing this 
other than getting a uprated router (some new ones support isolated wireless for net access only) would be to place 
your network on 1 router with a DSL/Cable WAN port (normal network port) and plug this into another router connected to 
the internet and use this second router as your shared wireless network.  The reason I say this is a lot of lower tier 
routers only allow you to control access from external to internal.

In esence
Internet connected to -
Router1 (neighbours WPA wireless 802.11a) connected to -
Router2 (private LAN and wireless 802.11b-g,n)

This prevents your neighbours obtaining access to your home network while still allowing internet access.

An alternative would be to buy a good firewall (ebay has a lot of Cisco pix's etc) and set up the network as follows.

Router (your private lan, wireless, and internet )connected to -
Firewall - connect 1 port to your lan and one to the new wireless access port, restrict traffic to deny traffic to all 
IP's other than your routers IP on the internal subnet from the access point, so if your router IP is 192.168.0.1 and 
subnetmask 255.255.255.0 then on the firewall deny all traffic to 192.268.0.2-254.  Connected to -
Access Point set up for neighbours connected into another firewall port.

There are of course some possible issues with sharing your internet connection including you may become legally liable 
for all actions your neighbours perform online, potentially if you have internet limits imposed you may exceed them.

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