Limiting access per SSH to specific accounts to LAN/specifc IPs?
136568
Restrict SSH Access to Specific IP for User
90465
Permissions on private key in .ssh folder?
133629
block all but a few ips with firewalld
14011
Block network access of a process?
118100
Whitelist source IP addresses in CentOS 7
74317
How can i restrict /admin login page to a particular IP only?
74807
How can I avoid SSH's host verification for known hosts?
10108
Best way to restrict access by IP address?
97481
How do I disable remote SSH login as root from a server?
34996
How to make a machine accessible from the LAN using its hostname
126410
Allowing FTP access to a local user without allowing SSH/command line access
120000
Disable password access through SSH?
106519
How to use takeown and icacls to deny access to other users?
75893
How to limit 1 connection per 5 seconds? (IPTABLES)
41297
Limit connection rights on SQL Server
60998
Samba+Windows: Allow multiple connections by different users?
80561
Can someone explain these rules for a specific user and a VPN in iptables?