Add a note about IAX2 to UPGRADE.txt.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@216080 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/UPGRADE.txt b/UPGRADE.txt
index bb93234a5a2ccd8d496ea2754580332dfec6fd6f..c08ac09bf9af19adab5f9b3e4bdf0c3ee3a9716c 100644 (file)
--- a/UPGRADE.txt
+++ b/UPGRADE.txt
@@ -1,6 +1,14 @@
 Information for Upgrading From Previous Asterisk Releases
 =========================================================
 
+IAX2:
+
+* There have been some changed to the IAX2 protocol to address the security
+  concerns documented in the security advisory AST-2009-006.  Please see the
+  IAX2 security document, doc/IAX2-security.pdf, for information regarding
+  backwards compatibility with versions of Asterisk that do not contain these
+  changes to IAX2.
+
 Compiling:
 
 * The Asterisk 1.2 source code now uses C language features