[CentOS] how to open a tcp port?

2010/3/3 hadi motamedi <motamedi24 at gmail.com>:
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>> All ports are open, but you really need some service to listen that port.
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>> --
>> Eero
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> Thank you . So why 'telnet 172.16.17.132 4965' cannot get through ?

.. you just can not connect to empty ports. You need some
service/daemon/program to listen that port first.

--
Eero