Author: cem
Date: Sat Jul 28 19:35:49 2018
New Revision: 336836
URL: https://svnweb.freebsd.org/changeset/base/336836
Log:
Remove insecure ciphers from GCE sshd configuration
They were added for unclear reasons in r277263. The current OpenSSH
defaults (7.5+) are reasonable, and do not include the insecure rc4 cipher:
chacha20-poly1...@openssh.com,
aes128-ctr,aes192-ctr,aes256-ctr,
aes128-...@openssh.com,aes256-...@openssh.com,
aes128-cbc,aes192-cbc,aes256-cbc
I think I recall there being a reason for a specific list of ciphers on GCE
at the time, but I do not recall what it was, and cannot find any
current GCE documentation of such a list.
So, just revert the explicit configuration and use sane openssh defaults.
PR: 230092
Submitted by: Gustavo Scalet <gustavo.scalet AT collabora.com>
MFC after: 3 days
Security: yes
Modified:
head/release/tools/gce.conf
Modified: head/release/tools/gce.conf
==============================================================================
--- head/release/tools/gce.conf Sat Jul 28 19:08:00 2018 (r336835)
+++ head/release/tools/gce.conf Sat Jul 28 19:35:49 2018 (r336836)
@@ -66,7 +66,6 @@ EOF
ChallengeResponseAuthentication no
X11Forwarding no
AcceptEnv LANG
-Ciphers
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc
AllowAgentForwarding no
ClientAliveInterval 420
EOF
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