| 123456789101112131415161718192021222324252627282930313233343536373839 | 
							- LogLevel INFO
 
- #LogLevel DEBUG
 
- PidFile none
 
- Port 2200
 
- Protocol 2
 
- HostKey /etc/ssh/host_keys/rsa
 
- HostKey /etc/ssh/host_keys/ed25519
 
- # https://www.ssh-audit.com/hardening_guides.html#ubuntu_20_04_lts
 
- KexAlgorithms curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha256
 
- Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
 
- MACs hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,umac-128-etm@openssh.com
 
- HostKeyAlgorithms ssh-ed25519,ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256,rsa-sha2-512,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512-cert-v01@openssh.com
 
- UsePAM no
 
- PermitRootLogin no
 
- AllowUsers git
 
- PubkeyAuthentication yes
 
- # > RSA: The length of the modulus n shall be 2048 bits or more to meet the
 
- # > minimum security-strength requirement of 112 bits [...]
 
- # https://csrc.nist.gov/publications/detail/sp/800-131a/rev-2/final
 
- RequiredRSASize 2048
 
- PasswordAuthentication no
 
- ChallengeResponseAuthentication no
 
- StrictModes no
 
- DisableForwarding yes
 
- AllowAgentForwarding no
 
- AllowStreamLocalForwarding no
 
- AllowTcpForwarding no
 
- GatewayPorts no
 
- PermitTunnel no
 
- X11Forwarding no
 
- PermitUserEnvironment no
 
- PrintMotd no
 
- PermitTTY no
 
 
  |