I can confirm that apt-cacher 1.6.4ubuntu1 in intrepid which includes the fix described in bug 156070 does indeed work properly as a proxy for update-manager when it's used via Acquire::http::proxy. Marking this bug as closed.
I can confirm that apt-cacher 1.6.4ubuntu1 in intrepid which includes the fix described in bug 156070 does indeed work properly as a proxy for update-manager when it's used via Acquire: :http:: proxy. Marking this bug as closed.