Home » Kerio User Forums » Kerio Control » Maximum Nat Ports

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I have a setup where there is a pc configured as kerio control with only 1 Lan Card.
It is connected via a l2 managed switch.
The Lan port is on untagged vlan1.
There are 2 incoming internet line which are on vlan 10 and vlan 20.

The whole setup works fine but it is gives out of free nat ports after some time.
What is the limit for nat ports ?
What is the solution to overcome this issue.

Ruchir Sabuwala
aquddus (kerio)

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Limit is 100 by default which can be changed.

Go to => Configuration
==> Security Settings
==> Miscellaneous
==> Connection Limit
Under the connection Limit you would be able to find the limit for single host and all peers.

I wouldn't recommend changing the values because the default limit of 100 is a normal behaviour.

[Updated on: Fri, 25 September 2015 03:37]

Petr Dobry (Kerio)

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Connection limit (per host) is different than "out of free NAT ports" error message.

What error message exactly you get ? What's in logs ?

[Updated on: Fri, 25 September 2015 17:30]

Petr Dobry
Product Development Manager | Kerio
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