--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_limits.wiki	Fri Jul 06 12:59:13 2012 +0000
@@ -0,0 +1,45 @@
+#summary Connection-level rate limiting
+#labels Stage-Beta
+
+= Introduction =
+
+On some servers, especially public ones, it is desired to make sure that everyone gets their fair share of system resources (and no more).
+
+mod_limits allows you to specify traffic bandwidth limits, preventing any single connection hogging the server's CPU, RAM and bandwidth.
+
+= Details =
+
+mod_limits detects when a connection has exceeded its traffic allowance and temporarily ignores a connection. Due to the way TCP and the OS's network API works no data is lost, only slowed.
+
+= Configuration =
+Currently mod_limits is configured per connection type. The possible connection types are:
+
+  * c2s
+  * s2sin
+  * s2sout
+  * component
+
+The limits are specified like so:
+
+{{{
+    limits = {
+        c2s = {
+            rate = "3kb/s";
+            burst = "2s";
+        };
+        s2sin = {
+            rate = "10kb/s";
+            burst = "5s";
+        };
+     }
+}}}
+
+All units are in terms of _bytes_, not _bits_, so that "kb/s" is interpreted as "kilobytes per second", where a kilobyte is 1000 bytes.
+
+= Compatibility =
+| 0.9 | Works |
+| 0.8 | Doesn't work(*) |
+
+(*) This module can be made to work in 0.8 if you do two things:
+  # Install [http://hg.prosody.im/0.9/raw-file/d46948d3018a/util/throttle.lua util.throttle] into your Prosody source's util/ directory.
+  # If you use libevent apply [http://prosody.im/patches/prosody08-mod-limits-fix.patch this patch] to net/server_event.lua.
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