bundlewrap/bundles/openssh/files/sshd_config

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Port 22
PermitRootLogin No
Protocol 2
AuthorizedKeysFile .ssh/authorized_keys
GSSAPIAuthentication no
KerberosAuthentication no
ChallengeResponseAuthentication no
PasswordAuthentication no
PubkeyAuthentication yes
UseDNS no
LogLevel INFO
X11Forwarding no
IgnoreRhosts yes
HostbasedAuthentication no
PermitEmptyPasswords no
PermitUserEnvironment no
Ciphers chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com
MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-256,hmac-sha2-512
KexAlgorithms curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group14-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,ecdh-sha2-nistp521,ecdh-sha2-nistp256,ecdh-sha2-nistp384,diffie-hellman-group-exchange-sha256
LoginGraceTime 60
AllowUsers ${' '.join(sorted(login_users))}
UsePAM yes
AllowTcpForwarding no
PrintMotd no
MaxSessions 512
MaxStartups 512:30:768
Subsystem sftp internal-sftp
Match Group sftp
ChrootDirectory %h
ForceCommand internal-sftp
PasswordAuthentication no
Match User ${','.join(sorted(admin_users))}
AllowTcpForwarding yes
% if enable_x_forwarding_for_admins:
X11Forwarding yes
% endif