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<DIV>Hi, </DIV>
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<DIV>I made a simple firewall and I did not block some ports but some clients says my firewall blocked some ports. How do I know which ports are open and which are closed by my firewall?</DIV>
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<DIV>Thanks.</DIV>
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<DIV>Frank Peng. </DIV><!-- end of AOLMsgPart_0_99e9d008-50c2-4a62-a040-5a7710b87d0e --></DIV></DIV>
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