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--- linux_wiki:configure_additional_options_described_in_documentation [2016/10/06 21:42]
billdozor [SSHD Config File]
+++ linux_wiki:configure_additional_options_described_in_documentation [2019/05/25 23:50]
@@ Line 1: / Line 1: @@
-====== Configure Additional Options Described In Documentation ======
-**General Information**
-Additional SSH options.
-----
-====== Initial Setup ======
-Install package and generates system keys (should almost always be installed)
-<code bash>
-yum install openssh-server
-</code>
-  * openssl is a dependency
-\\
-Enable and start sshd
-<code bash>
-systemctl enable sshd
-systemctl start sshd
-</code>
-\\
-Allow through firewall
-<code bash>
-firewall-cmd --permanent --add-service=ssh
-firewall-cmd --reload
-</code>
-====== SSHD Config File ======
-  * SSH Daemon config file: /etc/ssh/sshd_config
-    * Configure additional options here
-    * See man sshd_config
-Some useful options
-  * Port -> TCP listening port for sshd
-  * PermitRootLogin -> Allow/disallow root login
-  * 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
-  * 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)
-----