I've start a new job today and I am trying to set up my machine to run through their Windows server.

I've managed to get a internet connection through the server now but now I can't run apt-get update as I get a "403 Forbidden" error.

This is for every repo under my source list, apart from translations(?).

I do have a proxy in apt.conf, if I don't have it I get a 407 Permission Denied error.

Here's my apt.conf file (I have omitted my username and password)

Acquire::http::proxy "http://username:[email protected]:8080/";

Here's my sources.list

#deb cdrom:[Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213)]/ dists/precise/main/binary-i386/



#deb cdrom:[Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213)]/ dists/precise/restricted/binary-i386/

#deb cdrom:[Ubuntu 12.04.2 LTS _Precise Pangolin_ - Release amd64 (20130213)]/ precise main restricted



# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to

# newer versions of the distribution.

deb http://gb.archive.ubuntu.com/ubuntu/ precise main restricted

deb-src http://gb.archive.ubuntu.com/ubuntu/ precise main restricted



## Major bug fix updates produced after the final release of the

## distribution.

deb http://gb.archive.ubuntu.com/ubuntu/ precise-updates main restricted

deb-src http://gb.archive.ubuntu.com/ubuntu/ precise-updates main restricted



## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu

## team. Also, please note that software in universe WILL NOT receive any

## review or updates from the Ubuntu security team.

deb http://gb.archive.ubuntu.com/ubuntu/ precise universe

deb-src http://gb.archive.ubuntu.com/ubuntu/ precise universe

deb http://gb.archive.ubuntu.com/ubuntu/ precise-updates universe

deb-src http://gb.archive.ubuntu.com/ubuntu/ precise-updates universe



## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 

## team, and may not be under a free licence. Please satisfy yourself as to 

## your rights to use the software. Also, please note that software in 

## multiverse WILL NOT receive any review or updates from the Ubuntu

## security team.

deb http://gb.archive.ubuntu.com/ubuntu/ precise multiverse

deb-src http://gb.archive.ubuntu.com/ubuntu/ precise multiverse

deb http://gb.archive.ubuntu.com/ubuntu/ precise-updates multiverse

deb-src http://gb.archive.ubuntu.com/ubuntu/ precise-updates multiverse



## N.B. software from this repository may not have been tested as

## extensively as that contained in the main release, although it includes

## newer versions of some applications which may provide useful features.

## Also, please note that software in backports WILL NOT receive any review

## or updates from the Ubuntu security team.

deb http://gb.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse

deb-src http://gb.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse



deb http://security.ubuntu.com/ubuntu precise-security main restricted

deb-src http://security.ubuntu.com/ubuntu precise-security main restricted

deb http://security.ubuntu.com/ubuntu precise-security universe

deb-src http://security.ubuntu.com/ubuntu precise-security universe

deb http://security.ubuntu.com/ubuntu precise-security multiverse

deb-src http://security.ubuntu.com/ubuntu precise-security multiverse



## Uncomment the following two lines to add software from Canonical's

## 'partner' repository.

## This software is not part of Ubuntu, but is offered by Canonical and the

## respective vendors as a service to Ubuntu users.

# deb http://archive.canonical.com/ubuntu precise partner

# deb-src http://archive.canonical.com/ubuntu precise partner



## This software is not part of Ubuntu, but is offered by third-party

## developers who want to ship their latest software.

deb http://extras.ubuntu.com/ubuntu precise main

deb-src http://extras.ubuntu.com/ubuntu precise main

I can sort-of fix this by changing all the http in sources.list to ftp but I still have issues with ppas