diff --git a/openssh-4.7p1-revert-wsize.patch b/openssh-4.7p1-revert-wsize.patch
new file mode 100644
index 0000000..3cd3b7b
--- /dev/null
+++ b/openssh-4.7p1-revert-wsize.patch
@@ -0,0 +1,18 @@
+Written-by: Jan Kratochvil <jkratoch@redhat.com>
+Reviewed-by: Tomas Mraz <tmraz@redhat.com>
+
+diff -up openssh-4.7p1/channels.h.revert-wsize openssh-4.7p1/channels.h
+--- openssh-4.7p1/channels.h.revert-wsize	2007-06-12 15:38:54.000000000 +0200
++++ openssh-4.7p1/channels.h	2007-09-17 23:21:32.000000000 +0200
+@@ -122,9 +122,9 @@ struct Channel {
+ 
+ /* default window/packet sizes for tcp/x11-fwd-channel */
+ #define CHAN_SES_PACKET_DEFAULT	(32*1024)
+-#define CHAN_SES_WINDOW_DEFAULT	(64*CHAN_SES_PACKET_DEFAULT)
++#define CHAN_SES_WINDOW_DEFAULT	(4*CHAN_SES_PACKET_DEFAULT)
+ #define CHAN_TCP_PACKET_DEFAULT	(32*1024)
+-#define CHAN_TCP_WINDOW_DEFAULT	(64*CHAN_TCP_PACKET_DEFAULT)
++#define CHAN_TCP_WINDOW_DEFAULT	(4*CHAN_TCP_PACKET_DEFAULT)
+ #define CHAN_X11_PACKET_DEFAULT	(16*1024)
+ #define CHAN_X11_WINDOW_DEFAULT	(4*CHAN_X11_PACKET_DEFAULT)
+ 
diff --git a/openssh.spec b/openssh.spec
index 7367829..ad82189 100644
--- a/openssh.spec
+++ b/openssh.spec
@@ -63,7 +63,7 @@
 Summary: The OpenSSH implementation of SSH protocol versions 1 and 2
 Name: openssh
 Version: 4.7p1
-Release: 1%{?dist}%{?rescue_rel}
+Release: 2%{?dist}%{?rescue_rel}
 URL: http://www.openssh.com/portable.html
 #Source0: ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-%{version}.tar.gz
 #Source1: ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-%{version}.tar.gz.asc
@@ -95,6 +95,7 @@ Patch44: openssh-4.3p2-allow-ip-opts.patch
 Patch49: openssh-4.3p2-gssapi-canohost.patch
 Patch51: openssh-4.7p1-nss-keys.patch
 Patch52: openssh-4.7p1-sftp-drain-acks.patch
+Patch53: openssh-4.7p1-revert-wsize.patch
 License: BSD
 Group: Applications/Internet
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -228,6 +229,7 @@ an X11 passphrase dialog for OpenSSH.
 %patch49 -p1 -b .canohost
 %patch51 -p1 -b .nss-keys
 %patch52 -p1 -b .drain-acks
+%patch53 -p1 -b .revert-wsize
 
 autoreconf
 
@@ -480,6 +482,9 @@ fi
 %endif
 
 %changelog
+* Mon Sep 17 2007 Tomas Mraz <tmraz@redhat.com> - 4.7p1-2
+- revert default window size adjustments (#286181)
+
 * Thu Sep  6 2007 Tomas Mraz <tmraz@redhat.com> - 4.7p1-1
 - upgrade to latest upstream
 - use libedit in sftp (#203009)