求助 网件R7800 dos attack

feiy***

r7800使用两年一直很稳定，前段时间看见官网有新固件推送（1.0.2.63），随即下载固件包更新，结果变砖，于是网上找教程又刷回1.0.2.62，刷完后感觉不是很稳定隔三差五死机，然后再刷到1.02.60还是不行，最后到老美的官网上刷了1.0.2.68依旧如此。这两天闲着没事，查看了下日志，发现日志里都是以下内容： [DoS Attack: TCP/UDP Chargen] from source: 221.228.255.1, port 53, Tuesday, January 28, 2020 06:55:50 [DoS Attack: RST Scan] from source: 180.101.49.12, port 80, Tuesday, January 28, 2020 06:50:07 [DoS Attack: SYN/ACK Scan] from source: 185.71.66.40, port 50002, Tuesday, January 28, 2020 06:49:28 [DoS Attack: RST Scan] from source: 180.101.49.12, port 80, Tuesday, January 28, 2020 06:41:53 [DoS Attack: RST Scan] from source: 61.151.168.159, port 443, Tuesday, January 28, 2020 06:34:38 [DoS Attack: RST Scan] from source: 180.101.49.12, port 80, Tuesday, January 28, 2020 06:33:20 [DoS Attack: RST Scan] from source: 101.89.38.155, port 443, Tuesday, January 28, 2020 06:33:16 [DoS Attack: RST Scan] from source: 180.101.49.12, port 80, Tuesday, January 28, 2020 06:32:56 [DoS Attack: RST Scan] from source: 180.97.251.225, port 80, Tuesday, January 28, 2020 06:28:43 [DoS Attack: RST Scan] from source: 180.101.49.12, port 80, Tuesday, January 28, 2020 06:20:46 请各位大神施以援手，我该如何解决？

feiy***

自己顶上去。

feiy***

自己顶上去。

feiy***

跪求大神帮忙