Ability to use one udp port for multiple wg interfaces
damian.kaczkowski at gmail.com
Tue May 2 11:56:54 CEST 2017
On 2 May 2017 at 10:55, Jason A. Donenfeld <Jason at zx2c4.com> wrote:
> 3. You may have multiple peers on a single wireguard interface. This
> is the configuration that you probably should be using. "It is not
> very friendly to open additional udp ports in multiple peer scenario
> where firewall ACLs are desirable" This is 100% incorrect. With
> multiple peers on an interface and a sufficiently clamped allowed-ips
> entry for each, you'll have perfect firewall ACLs.
3. Well if one uses firewall to control flows between zones in environment
with mix protocols (eg. gre, ipsec, openvpn and so on) then using second
tool just to control only wireguard ACLs is not very convenient way from
administrative point of view. Also in case where peer is roaming and
changing its source IP (eg. road warrior) then maintaining wireguard ACLs
will be a huge PITA, if not impossible at large scale.
4. Does wireguard have some means so that iptables can easily
differentiate tunnels (peers) and put them in appropriate 'zone'? like eg.
iptables -m policy --help
iptables -m ah --help
iptables -m esp --help
Or something similar?
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