I am able to happily pull most images, except the following:

```
docker pull jwilder/nginx-proxy

```

The following is the error message:

> 
> Using default tag: latest
>  Pulling repository docker.io/jwilder/nginx-proxy
>  Network timed out while trying to connect to <https://index.docker.io/v1/repositories/jwilder/nginx-proxy/images>. You may want to check your internet connection or if you are behind a proxy.
> 
> 
>