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how to secure an intranet network from internet intrusion?


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#1 mahlajm

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Posted 12 June 2015 - 06:55 AM

Hey guys, first of all please excuse my poor english. I am a programmer with little knowledge of computer networking in need of a solution ASAP.
I want to have connections to two networks in one system. one connection for internet and another to an intranet. but there is a security problem. the intranet network has sensitive information on it and only users with specific IP address can use it. people in intranet network believe that having both internet and their intranet connection in one system, exposes the intranet to the hackers. how can i secure the intranet when system is connected to the internet. because of the limited resources i prefer software solutions. please show me the right direction.
thanks a lot


Edited by hamluis, 12 June 2015 - 08:30 AM.
Moved from Networking to Gen Security - Hamluis.


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#2 mremski

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Posted 12 June 2015 - 08:35 AM

Start with a default deny on both interfaces, then add allow rules for the traffic (source IP, dest port, inbound interface) that you want.


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#3 technonymous

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Posted 16 June 2015 - 08:19 PM

Hey guys, first of all please excuse my poor english. I am a programmer with little knowledge of computer networking in need of a solution ASAP.
I want to have connections to two networks in one system. one connection for internet and another to an intranet. but there is a security problem. the intranet network has sensitive information on it and only users with specific IP address can use it. people in intranet network believe that having both internet and their intranet connection in one system, exposes the intranet to the hackers. how can i secure the intranet when system is connected to the internet. because of the limited resources i prefer software solutions. please show me the right direction.
thanks a lot

 

I suggest that you hire and consult with a network professional.






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