Regarding DNS issues

[reeckman]

在提出问题前请先自行排除服务器端问题，同时也请通过搜索确认是否有人提出过相同问题。

预期行为

Packet capture reveals that this software consistently sends DNS requests to the carrier, rather than to the domestic DNS server that has been configured.

实际行为

Packet capture reveals that the domain name used for node selection is continuously initiating DNS requests; this poses a risk, as network operators could collect these recurring requests to infer user behavior.

复现方法

1.Configure the software to use the user's DNS.
2.Configure a packet capture tool to capture network traffic.
3.Packet-capture tools reveal that, every few seconds, requests are sent to the ISP’s DNS to resolve "optimized" domain names into their corresponding IP addresses; doing so effectively alerts the ISP and the authorities that proxy activity is taking place.