# HG changeset patch # Parent d11948586a6da11e968278f55b48318b2263802b # enable trusted X11 forwarding by default in both sshd and sshsystem-wide # configuration # bnc#50836 (was suse #35836) Enable Trusted X11 forwarding by default, since the security benefits of having it disabled are negligible these days with XI2 being widely used. diff --git a/openssh-7.2p2/ssh_config b/openssh-7.2p2/ssh_config --- a/openssh-7.2p2/ssh_config +++ b/openssh-7.2p2/ssh_config @@ -12,19 +12,30 @@ # Any configuration value is only changed the first time it is set. # Thus, host-specific definitions should be at the beginning of the # configuration file, and defaults at the end. # Site-wide defaults for some commonly used options. For a comprehensive # list of available options, their meanings and defaults, please see the # ssh_config(5) man page. -# Host * +Host * # ForwardAgent no # ForwardX11 no + +# If you do not trust your remote host (or its administrator), you +# should not forward X11 connections to your local X11-display for +# security reasons: Someone stealing the authentification data on the +# remote side (the "spoofed" X-server by the remote sshd) can read your +# keystrokes as you type, just like any other X11 client could do. +# Set this to "no" here for global effect or in your own ~/.ssh/config +# file if you want to have the remote X11 authentification data to +# expire after twenty minutes after remote login. + ForwardX11Trusted yes + # RhostsRSAAuthentication no # RSAAuthentication yes # PasswordAuthentication yes # HostbasedAuthentication no # GSSAPIAuthentication no # GSSAPIDelegateCredentials no # BatchMode no # CheckHostIP yes diff --git a/openssh-7.2p2/sshd_config b/openssh-7.2p2/sshd_config --- a/openssh-7.2p2/sshd_config +++ b/openssh-7.2p2/sshd_config @@ -94,17 +94,17 @@ AuthorizedKeysFile .ssh/authorized_keys # If you just want the PAM account and session checks to run without # PAM authentication, then enable this but set PasswordAuthentication # and ChallengeResponseAuthentication to 'no'. #UsePAM no #AllowAgentForwarding yes #AllowTcpForwarding yes #GatewayPorts no -#X11Forwarding no +X11Forwarding yes #X11DisplayOffset 10 #X11UseLocalhost yes #PermitTTY yes #PrintMotd yes #PrintLastLog yes #TCPKeepAlive yes #UseLogin no #UsePrivilegeSeparation sandbox