Question: How Do I Limit Ssh in Linux?
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Open the /etc/ssh/sshd_config file. Add an AllowUsers line at the bottom of the file with a space separated by list of usernames. For example, user tecmint and sheena both have access to remote ssh. Now restart ssh service.

How do I restrict SSH?

How to restrict SSH access only to specific IPs

  1. Now we will allow a list of known IPs who should be able to login to SSH. For that we need to add an entry to /etc/hosts. …
  2. Open up /etc/hosts.allow file using your favorite text editor vi /etc/hosts.deny. and add the following lines to deny all SSH connections to your public SSH port sshd: ALL.

How do I limit concurrent sessions in Linux?

In most Linux distributions, there is a file called limits. conf where you can define the maximum number of concurrent SSH sessions for an user or group of users.

Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.

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