这些错误不会阻止服务器启动，但是会阻止服务器的正常运行。
These errors don't prevent the server from starting but do prevent proper functioning.
你的传输率有一些额外的阻碍，很可能会更阻止服务器的速度。
There are additional barriers to your transfer rate that will likely reduce your server's speed even more.
一些常见的场景包括，只允许来自信任源的连接、阻止连接到服务器未提供的服务，以及只允许连接到特定服务。
Some common scenarios include allowing connections from trusted sources only, blocking connections to services that are not provided by the server, and allowing connections only to specific services.
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