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commit b480bc7360a8be4116a6849cf93e5bf4609e5b2c
parent e6d4be2a61e63182d91f7a7a2af515fd485dd8cd
Author: Chris Bracken <>
Date:   Wed, 22 Apr 2020 22:09:09 -0700

Disable ChallengeResponseAuthentication in sshd

In practice, this is basically just password authentication.

Diffstat: | 4++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ b/ @@ -256,8 +256,8 @@ forward root's mail to a local user. To do so: find your public key in `~/.ssh/` on the existing host you want to connect from. 1. Edit `/etc/ssh/sshd_config` to disable password-based authentication, and - allow only key-based authentication by commenting out the - `PasswordAuthentication yes` line. + allow only key-based authentication by setting `PasswordAuthentication` and + `ChallengeResponseAuthentication` to `no`. 1. Restart the sshd server to pick up the config change. ``` sudo service sshd restart