How to allow or deny ssh access

To block or permit remote access to any service in Linux, we can use "hosts.deny" and "hosts.allow"

To allow or deny specific IPs from ssh to the server:

–Edit “hosts.deny” File:

•sshd:all

–Edit “hosts.allow” File:

•sshd:192.168.0.102 (where 192.168.0.102 is the address that will be permitted to ssh to the server)

–You can also add a network to hosts.allow

sshd:192.168.0.0/255.255.255.0

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