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Secure SSHD config
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| # | |
| # To use this on your own server, change the port and username to what you wish to use and deploy the public key for that user onto your SSH server. | |
| # Make sure to leave at least one SSH session open while you test this! | |
| # | |
| # Run on a custom port | |
| Port 54321 | |
| # Restrict user access to the minimum | |
| PermitRootLogin no | |
| AllowUsers username | |
| # Disable less secure protocols | |
| Protocol 2 | |
| IgnoreRhosts yes | |
| RhostsRSAAuthentication no | |
| HostbasedAuthentication no | |
| KexAlgorithms [email protected],diffie-hellman-group-exchange-sha256 | |
| Ciphers [email protected],[email protected],[email protected],aes256-ctr,aes192-ctr,aes128-ctr | |
| MACs [email protected],[email protected],[email protected],[email protected],hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,[email protected] | |
| # Kick out idle clients | |
| ClientAliveInterval 300 | |
| ClientAliveCountMax 0 | |
| LoginGraceTime 10 | |
| MaxAuthTries 1 | |
| MaxStartups 3 | |
| TCPKeepAlive yes | |
| # Restrict user settings | |
| PermitUserEnvironment no | |
| PermitUserRC no | |
| # Only allow clients with pubkey | |
| PermitEmptyPasswords no | |
| PasswordAuthentication no | |
| ChallengeResponseAuthentication no | |
| GSSAPIAuthentication no | |
| PubkeyAuthentication yes | |
| # Turn off unneeded features | |
| AllowTcpForwarding no | |
| AllowStreamLocalForwarding no | |
| X11Forwarding no | |
| AllowAgentForwarding no | |
| #UseRoaming no | |
| UsePrivilegeSeparation sandbox | |
| StrictModes yes |
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