Fix firewall reference to Wiki
@@ -44,7 +44,7 @@ iptables, DNS over TLS, ShadowSocks and Tinyproxy*
1. Requirements
- A VPN account with one of the service providers supported
- - If you have a host or router firewall, please refer [to the firewall documentation](https://github.com/qdm12/gluetun/blob/master/doc/firewall.md)
+ - If you have a host or router firewall, please refer [to the firewall documentation](https://github.com/qdm12/gluetun/wiki/External-firewall-requirements)
1. On some devices you may need to setup your tunnel kernel module on your host with `insmod /lib/modules/tun.ko` or `modprobe tun`
- *Synology users*: please read [this part of the Wiki](https://github.com/qdm12/gluetun/wiki/Common-issues#synology)
1. Launch the container with:
