Fedora ssh服务，防火墙服务设置

Fedora26 ssh设置

ssh:connection to host 127,0.0.1 port22: Connection refused

1. 首先安装openssh-server     yum install openssh-server

2. systemctl start sshd.service

• 查看服务状态：systemctl status sshd.service

• 停止服务  systemctl start sshd.service  

• 设置开机自启–方式1

  systemctl enable sshd.service 

• 设置开机自启–方式2

  chkconfig --level 3 sshd on 
  

• 停止开机自启动

  systemctl disable sshd.service

防火墙设置firewalld

开启firewall: systemctl start firewalld

查看状态：systemctl status firewalld  

停止：    systemctl disable firewalld

禁用：    systemctl stop firewalld

iptables:

• 停止防火墙: service iptables stop
• 启动防火墙: service iptables start