--- a/core/portmanager.lua	Sun Jan 10 23:21:34 2016 +0100
+++ b/core/portmanager.lua	Sun Jan 10 23:25:00 2016 +0100
@@ -29,7 +29,7 @@
 	table.insert(default_local_interfaces, "::1");
 end
 
-local default_mode = config.get("*", "network_default_read_size") or 4096;
+local default_mode = config.get("*", "network_default_read_size") or "*a";
 
 --- Private state