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duytruongnguyen

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Kerio Control in log have warning:

[17/Aug/2015 13:26:03] Connection limit of 600 outbound connections reached for host 192.168.1.2.
[17/Aug/2015 13:28:52] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:29:03] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:29:14] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:29:17] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:29:25] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:29:28] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:29:36] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:29:37] Connection limit of 600 outbound connections reached for host 192.168.1.41.
[17/Aug/2015 13:29:47] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:29:50] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:29:58] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:30:02] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:30:09] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:30:13] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:30:20] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:30:26] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:30:31] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:30:42] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:30:51] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:30:53] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:31:04] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:31:15] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:31:16] Connection limit of 600 outbound connections reached for host 192.168.1.54.
[17/Aug/2015 13:31:26] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:31:37] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:31:48] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:31:59] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:32:11] Connection limit of 600 outbound connections reached for host 192.168.1.22.
[17/Aug/2015 13:32:17] Connection limit of 600 outbound connections reached for host 192.168.1.54.
....
What is this error? How fix this error? You know this error please guide me..
Thanks
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ICT and Me

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Hi Duy,

Do those systems use Skype by any chance?
Or find out what is making those connections. My experience most of the time Skype.
If so you must disable outbound connections or reconfigure.
Check Security Settings > TAB Miscellaneous > Connection Limit.

ICT and Me
Carlo Turk
The Netherlands
www.ictandme.nl
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duytruongnguyen

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All Users use Skype for chatting but Domain Control Server was also warned on Kerio Control "Connection limit of 600 outbound connections reached for host 192.168.1.2."

[Updated on: Mon, 17 August 2015 10:59]

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ICT and Me

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Maybe your DC makes lot of DNS forwarding requests.
Check your Active Hosts where your DC is talking to.

ICT and Me
Carlo Turk
The Netherlands
www.ictandme.nl
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duytruongnguyen

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I checked Active Host of DC on connection:
Traffic Rule---------Service-----Source----Destination------Load Balancing
Internet access(NAT) DNS dcserver 8.8.8.8 External
Internet access(NAT) DNS dcserver 8.8.8.8 External
Internet access(NAT) DNS dcserver 8.8.8.8 External
Internet access(NAT) DNS dcserver 203.162.4.191 External
Internet access(NAT) DNS dcserver 203.162.4.191 External
Internet access(NAT) DNS dcserver 203.162.4.191 External
......

[Updated on: Mon, 17 August 2015 11:39]

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ICT and Me

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okay. nothing else?
hmmm


ICT and Me
Carlo Turk
The Netherlands
www.ictandme.nl
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duytruongnguyen

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