From 8cbd70a8ed911741953d0bd67e3f893ce8308999 Mon Sep 17 00:00:00 2001
From: Simon Arlott <sa.me.uk>
Date: Sun, 24 Apr 2016 17:41:44 +0100
Subject: [PATCH] ircd: don't send ERR_NOTREGISTERED to servers

Sending messages after SERVER but before zlib is established breaks
outgoing connections. If the other server is misbehaving then ignore
its messages.
---
 ircd/parse.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ircd/parse.c b/ircd/parse.c
index 9af59791..d6f83b43 100644
--- a/ircd/parse.c
+++ b/ircd/parse.c
@@ -518,6 +518,9 @@ m_not_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *sour
 void
 m_unregistered(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 {
+	if(IsAnyServer(client_p))
+		return;
+
 	/* bit of a hack.
 	 * I don't =really= want to waste a bit in a flag
 	 * number_of_nick_changes is only really valid after the client