From 801ea22dcac551b33b8f3c3007431bc0c896b939 Mon Sep 17 00:00:00 2001 From: Patrick Spek Date: Tue, 30 Aug 2022 04:11:27 +0200 Subject: Update SSH config Credits to https://www.monotux.tech/posts/2021/11/maximize-ssh-audit-score/ --- playbooks.d/ssh/share/sshd_config | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'playbooks.d/ssh/share') diff --git a/playbooks.d/ssh/share/sshd_config b/playbooks.d/ssh/share/sshd_config index 97bea2e..b7eae70 100644 --- a/playbooks.d/ssh/share/sshd_config +++ b/playbooks.d/ssh/share/sshd_config @@ -12,11 +12,17 @@ Subsystem sftp ${sftp} # Authentication AuthorizedKeysFile /etc/ssh/authorized_keys .ssh/authorized_keys -PermitRootLogin no -PasswordAuthentication no ChallengeResponseAuthentication no +PasswordAuthentication no +PermitRootLogin no PubkeyAuthentication no +# Security +Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr +HostKeyAlgorithms rsa-sha2-512,rsa-sha2-256,ssh-ed25519 +KexAlgorithms curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha256 +MACs hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,umac-128-etm@openssh.com + # Allow tyil Match User tyil PubkeyAuthentication yes -- cgit v1.1