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L4 Transporter

Hi friends,

How to block internet on our DB servers.

Regards

Satish

1 accepted solution

Accepted Solutions

L7 Applicator

You would create an address group that contains all of the db servers.

then create a deny policy from this group to your internet zone as a block.  Use log on session initiation to see what hits this  rule.

Steve Puluka BSEET - IP Architect - DQE Communications (Metro Ethernet/ISP)
ACE PanOS 6; ACE PanOS 7; ASE 3.0; PSE 7.0 Foundations & Associate in Platform; Cyber Security; Data Center

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4 REPLIES 4

L7 Applicator

You would create an address group that contains all of the db servers.

then create a deny policy from this group to your internet zone as a block.  Use log on session initiation to see what hits this  rule.

Steve Puluka BSEET - IP Architect - DQE Communications (Metro Ethernet/ISP)
ACE PanOS 6; ACE PanOS 7; ASE 3.0; PSE 7.0 Foundations & Associate in Platform; Cyber Security; Data Center

L7 Applicator

Another alternative is to open your Source NAT policy that broadly enables your network to gain internet access, and add the IP Addresses (or the Address Group as Steven Puluka suggested) to the Source Address group. You then check the box underneath that indicates "Negate". This will say: - "Do a Source NAT to enable internal network to gain internet access "except" if the source address is with these source addresses".

The Security Policy alternative mentioned by Steven is a better practice, and it will write access attempts to the traffic logs.

L6 Presenter

Hi satish,

By default In-coming Internet traffic is blocked for any Host behind the firewall. You may want to find out, why its allowed.

That would be a good first troubleshooting step.

Regards,

Hardik shah

Thanks Dud...

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