要获得一个良好开端，请参阅附录b中的常用应用程序端口用途表。

For a good start on this, take a look at the table of common application port usage in Appendix b.

youdao

要获得一个良好开端，请参阅附录b中的常用应用程序端口用途表。

For a good start on this, take a look at the table of common application port usage in Appendix b.

youdao