which ports are utilized for networking?

which ports are utilized for networking for such things as file printer sharing, web and email. Whic udp and tcp ports should be open?

jonnydollarAsked:
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scampgbCommented:
It depends on how the printer is attached to the network.
If it's connected to a workgroup PC, then the NetBIOS range (135-139) will do.
Otherwise you may need 515, 631 or 9100

Take a look at http://www.chebucto.ns.ca/~rakerman/port-table.html#printing and http://members.cruzio.com/~jeffl/sco/lp/printservers.htm for more info.
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scampgbCommented:
Hi jonnydollar,

Which ports you need to use depends on exactly what you want to achieve.  The page http://www.chebucto.ns.ca/~rakerman/port-table.html contains some very useful information on which ports are used for what.
Can you explain a little more about your setup and what you're trying to do?

Thanks
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jonnydollarAuthor Commented:
im tring to use ip filtering in TCP/IP properties to filter out all other other thatn those i need to accomplish a MS workgroup and set up one machine as a web server for the network.
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scampgbCommented:
Take a look at table C.3 of  http://www.microsoft.com/resources/documentation/windows/2000/server/reskit/en-us/tcpip/part4/tcpappc.mspx
You'll need ports 135-139, 53,67 and 80.

You may need others if you wish to do more - such as printing or email access.
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jonnydollarAuthor Commented:
i would need both print sharing and email access via http and pop3. what ports would those reauire
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jacaucCommented:
you can also open the following file (assuming you have XP) with notepad

c:\windows\system32\drivers\etc\services

or... if you have unix/linux

/etc/services

This has a list of the most common ports for networking.

These ones are quite handy, because they are always "there" no need to go and lookup on the internet every time.
Hope this helps

J
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scampgbCommented:
jonnydollar,
HTTP is TCP port 80
POP3 is TCP port 110
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jonnydollarAuthor Commented:
any particular port for printing over the network at a share printer?
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scampgbCommented:
Glad I could help :-)
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