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Ports

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Ports, Largest Port Number

zakary	21 Feb, 2008 - 10:26 AM Post #1
D.I.C Regular Joined: 15 Feb, 2005 Posts: 405 Thanked: 6 times Dream Kudos: 175 My Contributions	Can anyone tell me what the large port number can possible be (i.e... 99999) on a server or is there no limit to ports. I am writing a software application that uses ports and multi cast ip's.
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zakary	RE: Ports 21 Feb, 2008 - 10:43 AM Post #2
D.I.C Regular Joined: 15 Feb, 2005 Posts: 405 Thanked: 6 times Dream Kudos: 175 My Contributions	QUOTE(zakary @ 21 Feb, 2008 - 01:26 PM) Can anyone tell me what the large port number can possible be (i.e... 99999) on a server or is there no limit to ports. I am writing a software application that uses ports and multi cast ip's. Thanks I found the answer: The Well Known Ports are those from 0 through 1023. The Registered Ports are those from 1024 through 49151 The Dynamic and/or Private Ports are those from 49152 through 65535 so 65535 is the largest possible port
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RodgerB	RE: Ports 22 Feb, 2008 - 01:31 AM Post #3
D.I.C Lover Joined: 21 Sep, 2007 Posts: 2,131 Thanked: 16 times Dream Kudos: 2200 Expert In: Dot Net Technologies My Contributions	The largest possible port is because 65535 because it is the highest number an unsigned 16 bit binary value can handle .
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zakary	RE: Ports 22 Feb, 2008 - 07:11 AM Post #4
D.I.C Regular Joined: 15 Feb, 2005 Posts: 405 Thanked: 6 times Dream Kudos: 175 My Contributions	so u are saying that ports are only in 16 bit binary and never in 32 or 64 bit binary
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INHCNN	RE: Ports 22 Feb, 2008 - 01:15 PM Post #5
New D.I.C Head Joined: 26 Jan, 2008 Posts: 8 My Contributions	QUOTE(zakary @ 22 Feb, 2008 - 08:11 AM) so u are saying that ports are only in 16 bit binary and never in 32 or 64 bit binary Ha - Thought this was interesting... http://en.wikipedia.org/wiki/65535_%28number%29
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RodgerB	RE: Ports 24 Feb, 2008 - 11:17 PM Post #6
D.I.C Lover Joined: 21 Sep, 2007 Posts: 2,131 Thanked: 16 times Dream Kudos: 2200 Expert In: Dot Net Technologies My Contributions	QUOTE(zakary @ 23 Feb, 2008 - 02:11 AM) so u are saying that ports are only in 16 bit binary and never in 32 or 64 bit binary I'm saying ports can only be below 16 bits yes, more specifically < 65535.
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bhandari	RE: Ports 25 Feb, 2008 - 12:30 AM Post #7
D.I.C Addict Joined: 31 Jan, 2008 Posts: 747 Dream Kudos: 900 My Contributions	I think it depends upon the protocol you are using.
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zakary	RE: Ports 26 Feb, 2008 - 06:33 AM Post #8
D.I.C Regular Joined: 15 Feb, 2005 Posts: 405 Thanked: 6 times Dream Kudos: 175 My Contributions	Thanks Roger and INHCNN, as my second post on here I explain that the highest port is 65535, I just was not thinking of in in bits. Great Link INHCNN. Protocol should always be TCP/IP IEEE standard bhandari.
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