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@ -42,11 +42,21 @@ The Debian package installs the Yggdrasil service into systemd, therefore you ca
Yggdrasil only loads the configuration at startup. Restart the Yggdrasil process or service to load the new configuration.
### I'm running Yggdrasil on a machine that is reachable from the Internet. Does this mean anyone can peer with me?
### I'm running Yggdrasil on a machine that is directly reachable from the Internet. Does this mean anyone can peer with me?
Without any further configuration, yes. However, you can limit who can peer with you by modifying the `AllowedEncryptionPublicKeys` configuration option. When this list is empty, any remote node is allowed to peer with you.
Without any further configuration, yes.
To restrict incoming peerings to certain nodes, you should first ask the operators of those nodes for their `EncryptionPublicKey` and then add those public keys into your own `AllowedEncryptionPublicKeys` setting.
However, you can either limit incoming connections to your host using a firewall by limiting or denying connections to the port specified in your `Listen` configuration option. This is useful if you want to limit peerings from certain IP ranges or on certain interfaces.
Alternatively, you can limit who can peer with you by modifying the `AllowedEncryptionPublicKeys` option in your Yggdrasil configuration. When this list is empty, any remote node is allowed to peer with you.
To restrict incoming peerings to certain nodes, you should first ask the operators of those nodes for their `EncryptionPublicKey` and then add those public keys into your own `AllowedEncryptionPublicKeys` list. From that point forward, only nodes with those public keys will be allowed to peer with you.
### I am running Yggdrasil from behind a NAT. Will this affect my connectivity?
To accept incoming peerings, you will probably need to configure port forwarding on your router/gateway. Yggdrasil listens on the port number specified in the `Listen` setting, so forward this port to the machine that runs Yggdrasil.
To use outbound peerings, that is, static peers that have been configured in your `Peers` setting, you will likely not need to change anything.
### I've changed my `AdminListen` port and now `yggdrasilctl` doesn't work.