From 32950beb5e0416cac9d7f6e0bd9b40ab81413d9e Mon Sep 17 00:00:00 2001 From: Mikaela Suomalainen Date: Wed, 19 Dec 2018 11:14:15 +0200 Subject: [PATCH] configuration.md: mention firewall for MulticastInterfaces --- configuration.md | 1 + 1 file changed, 1 insertion(+) diff --git a/configuration.md b/configuration.md index dd857cb..9b864d8 100644 --- a/configuration.md +++ b/configuration.md @@ -222,6 +222,7 @@ Note that any field not specified in the configuration will use its default valu - A list of regex strings for matching which interfaces to enable multicast peer discovery on. Interfaces that don't match any of the provided regexes are ignored. - The default value (`.*`) matches all interfaces. - This is also useful if you want to prevent accidental peering over a layer 2 VPN running on top of Yggdrasil. + - These interfaces will be listened on UDP port 9001 which needs to be opened in firewall. For example with UFW: `ufw allow from fe80::/10 to any port 9001 proto udp` - `IfName` - The name of the `tun` or `tap` network interface to create or use. Applications send packets over this interface to use the network. - On most platforms, an empty string or the default `"auto"` will create a new interface automatically.