Remote login management for Linux

Test environment: Linux centos6.5

1. Restrict root remote login via SSH

# Vi/etc/ssh/sshd_config

#PermitRootLogin Yes//Find the code to change to

#PermitRootLogin no//attention, you need to remove the previous # number.

# service sshd Restart//restart SSHD server

2. Restrict remote logins to certain users

This account was currently not available.

Sometimes the same group of users, some can log in, some prohibit Telnet, use VIPW to view account information (/ETC/PASSWD), account information of the shell for the/sbin/nologin to prohibit remote logins, if you want to allow, then change to the shell can be logged in, such as/bin/bash.

Remote login management for Linux