Posts Tagged ‘filter’

Sadly it’s fairly typical for corporate web filters to block ‘unusual’ ports, which means that if you’re trying to access a service that’s using anything other than port 80 for HTTP and port 443 for HTTPS then you might be in trouble. I recently came across a situation where somebody was trying to access an […]


There has been a LOT of noise over the past week about David Cameron’s proposals to have default on web filters for UK ISPs (which seems to be happening despite it not being part of official government policy, and entirely outside of any legislative framework). Claire Perry (Conservative MP for Devizes) has been leading the […]


Almost a couple of years ago (shortly before taking a role that put me back under the yolk of corporate web filtering) I wrote the wrong sort of radio to describe how ridiculous and counter-productive such things are. It simply doesn’t make much sense to cut off the Internet at the desktop when everybody has it in […]


OpenVPN

22Nov11

For some time I’ve used SSH tunnels as a means to pretend that I’m somewhere else to avoid geography filters, or to otherwise sneak past content filters. This is fine for regular HTTP(S) traffic from a browser, where it is easy to define a proxy server, but doesn’t work so well for other applications – […]


This post is about the madness of corporate web filters in the age of ubiquitous consumer devices with Internet connectivity. I typically see three types of connectivity in any given corporate setting: The company network. Usually wired, but sometimes with a wireless adjunct, this network offers the same liberty as an oppressive Middle East regimes[1]. This […]