fd_device: allow fd to be passed through a unix socket

[tinc] / doc / tinc.conf.5.in

diff --git a/doc/tinc.conf.5.in b/doc/tinc.conf.5.in
index a907e5f..acdce0f 100644 (file)
--- a/doc/tinc.conf.5.in
+++ b/doc/tinc.conf.5.in
@@ -235,7 +235,8 @@ Do NOT connect multiple
 daemons to the same multicast address, this will very likely cause routing loops.
 Also note that this can cause decrypted VPN packets to be sent out on a real network if misconfigured.
 .It fd
 daemons to the same multicast address, this will very likely cause routing loops.
 Also note that this can cause decrypted VPN packets to be sent out on a real network if misconfigured.
 .It fd

-Use a file descriptor.
+Use a file descriptor, given directly as an integer or passed through a unix domain socket.
+On Linux, an abstract socket address can be specified by using "@" as a prefix.

 All packets are read from this interface.
 Packets received for the local node are written to it.
 .It uml Pq not compiled in by default
 All packets are read from this interface.
 Packets received for the local node are written to it.
 .It uml Pq not compiled in by default