diff --git a/resources/sshd/sshd_config.phabricator.example b/resources/sshd/sshd_config.phabricator.example
--- a/resources/sshd/sshd_config.phabricator.example
+++ b/resources/sshd/sshd_config.phabricator.example
@@ -18,6 +18,7 @@
 PrintMotd no
 PrintLastLog no
 PasswordAuthentication no
+ChallengeResponseAuthentication no
 AuthorizedKeysFile none
 
 PidFile /var/run/sshd-phabricator.pid