HTTP proxys WHY disconnecting msn or timing out?

[cm_uk]

hi i have setup a gprs http proxy on xp sp2 with my e700 etc.it works fine but cuts out gaim or msn etc after 5-10minutes of use.same with loading websites... why is this.and is there a way to stop it or a alternative method to connect via gprs... i have tesco mobile with is via o2-uk...
cheers

[Dav0s]

are you using UPnP on a router? that usually causes disconnects with things like this.

[cm_uk]

are you using UPnP on a router? that usually causes disconnects with things like this.

i purely connect via data cable and e700 to usb... is HTTP proxy usually stable then???