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dholiday9

join:2003-01-30
New Orleans, LA

[Kerio 2.x] UDP Incoming from 172.20.0.11 Port 67 to Port 68 No

Should this be allowed? The traffic is nearly continuous. The site is registered to IANA.
Thanks for any insight.


BlitzenZeus
Burnt Out Cynic
Premium
join:2000-01-13
kudos:2
Reviews:
·Frontier FiOS

Re: [Kerio 2.x] UDP Incoming from 172.20.0.11 Port 67 to Port 68

So the local port to you would be 68, and if your not running any kind of internet connection sharing through your pc then you can keep blocking it. That is DHCP which you can see in the FAQ, and DHCP works on broadcasts so every computer on the local subnet sees this kind of traffic when a computer is requesting a lease, however most of the time this range is not used. Many requests might even appear to come from 0.0.0.0 however those packets still contain their mac address so the dhcp server knows where to send the packet, in this case it appears to be requesting a dhcp lease renewal.
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