网络攻击

安徽淮北联通对我的VPS实施的攻击:

Last failed login: Sun Feb 11 00:37:45 UTC 2018 from 58.242.83.9 on ssh:notty

There were 192618 failed login attempts since the last successful login.

Last login: Wed Jan 31 14:03:20 2018 from 112.225.56.99

如何记录攻击的信息以及设置多次攻击失败后,暂时屏蔽这个ip?
我需要知道它是什么架构,能否反攻击?