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This article mainly explains "how to limit the number of pseudo-terminals under Centos". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how to limit the number of pseudo-terminals under Centos.

If we want to add (or limit) users who log in through ssh or telnet, we can modify kernel parameters to limit them. Here's how to limit the number of users.

Vim / etc/sysctl.conf

Increase

Kernel.pty.max = 3max / limit pseudo-terminals to 3

Execution

Sysctl-p

Ssh logs in to the remote system again, and a prompt appears when the fourth connection is opened

So as to achieve the purpose of our restriction.

At this point, I believe you have a deeper understanding of "how to limit the number of pseudo-terminals under Centos". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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