libs/web: fix "port" datatype to allow port 0

diff --git a/libs/web/luasrc/cbi/datatypes.lua b/libs/web/luasrc/cbi/datatypes.lua
index 58b54de6e6370b166b9c39421d35de8de923f82b..b543d9fe5ee7287ba62397260d5aacd5e1ed4e9b 100644 (file)
--- a/libs/web/luasrc/cbi/datatypes.lua
+++ b/libs/web/luasrc/cbi/datatypes.lua
@@ -94,7 +94,7 @@ end
 
 function port(val)
        val = tonumber(val)
-       return ( val and val >= 1 and val <= 65535 )
+       return ( val and val >= 0 and val <= 65535 )
 end
 
 function portrange(val)