string_item_to_iaddr: Actually set port if !CONFIG_IPV6

[secnet.git] / README

diff --git a/README b/README
index fd3d31f7135f1c051535a9c5b61fbe756e8d5596..414baee6caccaeb680e83617c455f176015660e6 100644 (file)
--- a/README
+++ b/README
@@ -194,8 +194,11 @@ Defines:
   udp (closure => comm closure)
 
 udp: dict argument
-  address (string list): IPv6 or IPv4 addresses to listen and send on
-  port (integer): UDP port to listen and send on
+  address (string list): IPv6 or IPv4 addresses to listen and send on;
+   default is all local addresses
+  port (integer): UDP port to listen and send on; optional if you
+   don't need to have a stable address for your peers to talk to
+   (in which case your site ought probably to have `local-mobile true').
   buffer (buffer closure): buffer for incoming packets
   authbind (string): optional, path to authbind-helper program