Fail2ban 默认安装就够保护 sshd 了吗 - V2EX
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Fail2ban 默认安装就够保护 sshd 了吗

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  •   UUZ 2020-12-31 11:00:30 +08:00 2704 次点击
    这是一个创建于 1797 天前的主题,其中的信息可能已经有所发展或是发生改变。

    apt install fail2ban -y 不做额外配置。(主要是懒

    3 条回复    2021-01-04 11:22:29 +08:00
    ungrown
        1
    ungrown  
       2020-12-31 12:06:31 +08:00
    应该是的,我在 ubuntu 下就是直接安装,没再动配置文件,但是打开来看过,也看过日志文件,确实在工作(话说公网上好多探针在用常见用户名密码挨家挨户地撞,我在安装 fail2ban 之前都不知道居然这么猖狂)
    black11black
        2
    black11black  
       2020-12-31 12:19:22 +08:00
    按照经验,够了,暴力攻击主要是和防显卡密集攻击,f2b 默认是 10 分钟尝试五次,即每天最大尝试 720 次。
    BYF
        3
    BYF  
       2021-01-04 11:22:29 +08:00 via Android
    直接改端口就好了
    /etc/ssh/sshd_config
    下有个#Port 22
    把#删了,22 改成其他端口号,然后放行或者关闭防火墙
    重启服务器或者 sshd.service
    万事大吉
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