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Old 09-13-2005, 07:09 PM   #1
LQ Newbie
Registered: Sep 2005
Location: bacolod city philippines
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"How to check and open ports in Linux"

Hi, Im new to Linux and would like to ask for tutorial on how to check active and open ports in LInux and also how to open thos who are blocked.

Old 09-13-2005, 08:03 PM   #2
Registered: Jul 2005
Location: West Coast South, USA
Distribution: debian 3.1
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Welcome to LQ.

I think your post will get moved to a more appropriate forum, but anyway:

use your help sources (info, man, google) to discover the following commands related
to your request:

Old 09-14-2005, 05:32 AM   #3
Ike M.
Registered: Aug 2005
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I think

that ALL of the ports were open by default in my Distro (Mandrake 10.1). In addition to the above references, it is probably a good idea to have a machine that is external to your linux box in question actually CHECKING these ports for various levels of availability just to make sure (if you have the equipment to do this, that is)

If you are fortunate enough to have the equipment and the know how to get started with this, you might check

<a HREF=""></a>

for some interesting developments along these lines (check the Audit Tools Project link)
Old 09-14-2005, 02:23 PM   #4
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Moved: This thread is more suitable in Linux-Networking and has been moved accordingly to help your thread/question get the exposure it deserves.
Old 09-14-2005, 04:56 PM   #5
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Thank you guys for your concern. I appreciate the reply and will check the resources you mentioned, i will be posting also any update on my problem. God bless.


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