路由器有啥好的办法去阻止 Dos 攻击或者减少他的影响啊？

买了个 NetGear Orbi，前两个月很稳定，最近一个月总是晚上十点到十二点固定连不上英特网，开始以为是这时段人多，后来甚至路由器的 wifi 也连不上，但是能远程管理。终于在稳定下来后查看路由器日志，大概就是在连不上的时段有很多 Dos 攻击，一个 IP，来自乌克兰。 有啥好的办法减少攻击的影响啊？

[DoS Attack: RST Scan] from source: 2.57.254.196, port 22660, Friday, May 17, 2019 00:30:54 [DoS Attack: ACK Scan] from source: 2.57.254.196, port 22660, Friday, May 17, 2019 00:29:22 [DoS Attack: ACK Scan] from source: 2.57.254.196, port 22660, Friday, May 17, 2019 00:28:52 [admin login] from source 192.168.1.6, Friday, May 17, 2019 00:24:30 [admin login failure] from source 192.168.1.6, Friday, May 17, 2019 00:24:21 [admin login] from source 192.168.1.6, Friday, May 17, 2019 00:16:05 [DoS Attack: RST Scan] from source: 2.57.254.196, port 22660, Friday, May 17, 2019 00:11:20 [DoS Attack: RST Scan] from source: 140.143.49.144, port 80, Thursday, May 16, 2019 22:15:41 [DoS Attack: RST Scan] from source: 140.143.177.30, port 80, Thursday, May 16, 2019 22:15:41 [DoS Attack: ACK Scan] from source: 17.248.158.181, port 443, Thursday, May 16, 2019 22:04:20 [Time synchronized with NTP server] Thursday, May 16, 2019 21:55:07 [Internet connected] IP address: 100.102.164.236, Thursday, May 16, 2019 21:54:58 [admin login] from source 192.168.1.2, Thursday, May 16, 2019 21:52:37 [Initialized, firmware version: V2.3.1.58] Thursday, May 16, 2019 21:49:43