Author: gjb
Date: Fri Jul 28 18:27:30 2017
New Revision: 321659
URL: https://svnweb.freebsd.org/changeset/base/321659

Log:
  Turn off ChallengeResponseAuthentication for EC2 AMIs, one of EC2's
  requirements.
  
  MFC after:    3 days
  Sponsored by: The FreeBSD Foundation

Modified:
  head/release/tools/ec2.conf

Modified: head/release/tools/ec2.conf
==============================================================================
--- head/release/tools/ec2.conf Fri Jul 28 18:11:53 2017        (r321658)
+++ head/release/tools/ec2.conf Fri Jul 28 18:27:30 2017        (r321659)
@@ -81,6 +81,12 @@ vm_extra_pre_umount() {
        # Load the kernel module for the Amazon "Elastic Network Adapter"
        echo 'if_ena_load="YES"' >> ${DESTDIR}/boot/loader.conf
 
+       # Disable ChallengeResponseAuthentication according to EC2
+       # requirements.
+       sed -i '' -e \
+               's/^#ChallengeResponseAuthentication 
yes/ChallengeResponseAuthentication no/' \
+               ${DESTDIR}/etc/ssh/sshd_config
+
        # The first time the AMI boots, the installed "first boot" scripts
        # should be allowed to run:
        # * ec2_configinit (download and process EC2 user-data)
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