安全强化你的 Linux 服务器的七个步骤-白红宇

安全强化你的 Linux 服务器的七个步骤

阅读量：196 次

发布时间：2019-02-28

本文共 1528 字，大约阅读时间需要 5 分钟。

??????Linux???????

?????????????????????????????????????????Linux??????????

1. ????????????

???????????????????????????????????????????????????????????

? Ubuntu ? Debian ??
```
sudo apt update && sudo apt upgrade -y
```

? Fedora?CentOS ? RHEL ??
```
sudo dnf upgrade -y
```

2. ??????

??????????????root??????????????????????sudo???

??????
```
sudo adduser
```

??usermod????????sudo???
```
sudo usermod -a -G sudo
```

3. ??SSH??

??SSH?????????????ssh-copy-id?????????????????

???????????
```
ssh-copy-id @ip_address
```

????????????????????

4. ????SSH??

????????????????SSH?????????

??SSH?????
??/etc/ssh/sshd_config?????????
```
PasswordAuthentication no
```

??root?????
```
PermitRootLogin no
```

??IP?????
??AddressFamily?????SSH?????IPv4???
```
AddressFamily inet
```

??SSH???

? Ubuntu ??

sudo service sshd restart

? Fedora ? CentOS ??

sudo systemctl restart sshd

5. ?????

????????????????????????????Ubuntu??ufw????????????????

??UFW?
```
sudo apt install ufw -y
```

????????

sudo ufw allow sshsudo ufw allow httpsudo ufw allow https

??????
```
sudo ufw enable
```

????????
```
sudo ufw status
```

6. ??Fail2ban

Fail2ban??????????????????????????IP???

??Fail2ban?
```
sudo apt install fail2ban -y
```

???????

sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local

??Fail2ban???
```
sudo service fail2ban restart
```

?????
```
sudo fail2ban-client status ssh
```

7. ????????

??????????????????????????ss??????????????

??????????
```
sudo ss -atpu
```

?????????
? Debian/Ubuntu ??
```
sudo apt purge
```
? Red Hat/CentOS ??
```
sudo yum remove
```

??????????????Linux?????????????????????????????????????????????????????????????????????????????????????????????

转载地址：http://peti.baihongyu.com/

你可能感兴趣的文章

php数组函数分析--array_column

查看>>

php数组实现：哈希 +双向链表

查看>>

PHP数组排序函数array_multisort()函数详解（二）

php文本框输入制定文本,php – 当用户没有向文本框输入任何内容时...

查看>>

PHP时间戳和日期相互转换操作总结

查看>>

php时间戳知识点,php 时间戳函数总结与示例

php标签筛选,关于PHP CodeIgniter框架中通过<a>标签和url做多条件分类筛选

php检查注册,PHP检查注册的电子邮件地址是一个’school.edu’地址

php没有解析是怎么回事,linux下php文件没有被剖析怎么办？_后端开发

查看>>

php注册页面实现注册后跳转页面

查看>>