From bd426934cf6175b6ff2f51d3609f22210fdfac34 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 5 Jun 2016 14:16:36 +0100
Subject: Add patch from Pie-Man to stop flooding connecting servers with 451
 errors

---
 src/parse.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/parse.c b/src/parse.c
index bf94a92..447dcd2 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -310,6 +310,18 @@ handle_command(struct Message *mptr, struct Client *client_p,
 
   handler = mptr->handlers[client_p->handler];
 
+  /* New patch to avoid server flooding from unregistered connects
+     - Pie-Man 07/27/2000 -- while we have hybrid-7 -- rmk*/
+  if (!IsRegistered(client_p))
+  {
+    /* if its from a possible server connection
+     * ignore it.. more than likely its a header thats sneaked through
+     */
+    if ((IsHandshake(client_p) || IsConnecting(client_p) || IsServer(client_p)) &&
+        handler == m_unregistered)
+      return;
+  } 
+
   /* check right amount of params is passed... --is */
   if (i < mptr->args_min)
   {
-- 
cgit