The output shows that the service is inactive and the time and date when the status last changed. Enable SSH to start automatically after each system reboot by using the systemctl command:. Properly configuring the sshd configuration file hardens server security. The most common settings to enhance security are changing the port number, disabling root logins, and limiting access to only certain users. Once you access the file by using a text editor in this example we used vim , you can disable root logins and edit the default port number:.
Note: We recommend you generate SSH keys for authentication, as a safer alternative to passwords. After successfully enabling SSH and configuring the sshd file, adjust the firewall settings to make sure there are no compatibility issues. Active 7 years, 10 months ago. Viewed k times. Improve this question. Gilles 'SO- stop being evil' k gold badges silver badges bronze badges.
Jidrick Jidrick 2 2 gold badges 2 2 silver badges 7 7 bronze badges. Add a comment. Active Oldest Votes. Don't log private authentication messages! Improve this answer. How does sshd know what the defaults are? Are the defaults stored at some place you can edit? The defaults are in the source code that was used to compile the sshd executable file.
This can be done by following the steps described below:. The output of this command will display all the login-related logs on your terminal, as shown in the image below:. This method should be used when you do not want to restrict the sshd logs to the login attempts; rather, you want to check all the sshd logs.
You have to follow the steps mentioned below to make use of this method:. However, if you have not logged in to the root user account, then running this command will render the following error on your Ubuntu After accessing the auth. Note that all logs stored on the local machine are suspect; the only logs you can realistically trust are forwarded to another machine that wasn't compromised.
Perhaps it would be worth investigating centralized log handling via rsyslog 8 or auditd 8 remote machine handling. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Asked 4 years, 6 months ago. Active 2 years, 1 month ago.
0コメント