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

首先安装openssh-server

yum install openssh-server

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