总结:WSL无法连接,是被火绒拦截了。
发现问题
下载JDK 8时一直提示失败。
分析问题
使用ping -c www.baidu.com 无法ping通。window是有网络的,那么只能是wsl无法联网。
shell
ping -c 4 www.baidu.com
PING www.a.shifen.com (36.152.44.93) 56(84) bytes of data.
From 172.20.130.45 icmp_seq=1 Destination Host Unreachable
From 172.20.130.45 icmp_seq=2 Destination Host Unreachable
From 172.20.130.45 icmp_seq=3 Destination Host Unreachable
From 172.20.130.45 icmp_seq=4 Destination Host Unreachable
--- www.a.shifen.com ping statistics ---
4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3127ms
pipe 4
尝试重置网关,ping不通。
重装wsl,ping不通。
解决问题
尝试使用手机热点,一开始是能ping通的,过了一会就ping不通了,期间火绒有个弹窗,提示拦截了一个ip。
尝试退出火绒,ping正常。
shell
ping -c 4 www.baidu.com
PING www.a.shifen.com (183.2.172.177) 56(84) bytes of data.
64 bytes from 183.2.172.177: icmp_seq=1 ttl=42 time=36.3 ms
64 bytes from 183.2.172.177: icmp_seq=2 ttl=42 time=36.9 ms
64 bytes from 183.2.172.177: icmp_seq=3 ttl=42 time=31.9 ms
64 bytes from 183.2.172.177: icmp_seq=4 ttl=42 time=44.0 ms
--- www.a.shifen.com ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3004ms
rtt min/avg/max/mdev = 31.917/37.268/44.022/4.342 ms
火绒的安全日志是空的,不确定是哪个功能拦截的。

逐个排查,发现是局域网APR拦截导致,关闭该功能即可。
