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linux_wiki:configure_additional_options_described_in_documentation [2016/09/06 21:59] billdozor [Initial Setup] |
linux_wiki:configure_additional_options_described_in_documentation [2019/05/25 23:50] (current) |
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| Additional SSH options. | Additional SSH options. | ||
| + | |||
| + | ---- | ||
| + | |||
| + | ====== Lab Setup ====== | ||
| + | |||
| + | The following virtual machines will be used: | ||
| + | * server1.example.com (192.168.1.150) -> The SSH client | ||
| + | * server2.example.com (192.168.1.151) -> The SSH server | ||
| ---- | ---- | ||
| Line 33: | Line 41: | ||
| * SSH Daemon config file: / | * SSH Daemon config file: / | ||
| * Configure additional options here | * Configure additional options here | ||
| + | * See man sshd_config | ||
| + | |||
| + | Some useful options | ||
| + | * Port -> TCP listening port for sshd | ||
| + | * PermitRootLogin -> Allow/ | ||
| + | * MaxAuthTries -> Number of authentication tries. When 1/2 the number is reached, failures are logged. | ||
| + | * MaxSessions -> Max number of ssh sessions from one IP address | ||
| + | * AllowUsers -> Space-separated list of users allowed to connect | ||
| + | * DenyUsers -> Space-separated list of users to deny conections | ||
| + | * PasswordAuthentication -> Whether to allow password authentication or not. | ||
| + | * GSSAPIAuthentication -> Authentication through GSSAPI enabled or disabled. Used for kerberos | ||
| + | * ClientAliveInterval -> Interval in seconds packets are sent to the client to see if the client is still alive. | ||
| + | * ClientAliveCountMax -> Number of client alive packets to send. | ||
| + | * UseDNS -> Use DNS name lookup to match an incoming IP address to name. (if on) | ||
| ---- | ---- | ||