[outages] DHCP being dropped by Lumen?

Chris Woodfield rekoil at semihuman.com
Wed Jun 8 11:34:29 EDT 2022


DHCP broadcasts should not be forwarded, but a unicasted DHCP request/reply should be passed no differently from any other IP packet. 

-C

> On Jun 8, 2022, at 8:30 AM, Simon Lockhart via Outages <outages at outages.org> wrote:
> 
> On Wed Jun 08, 2022 at 11:25:59am -0400, Jay Ashworth via Outages wrote:
>> Is there any just cause for a wide area carrier like Lumen to pass a network
>> level protocol like DHCP? Cause I can't think of one...
> 
> Centralised DHCP server in conjunction with DHCP relay at remote sites.
> 
> If I were buying an Internet service, I wouldn't expect my service provider
> to arbitarily block some ports (unless it's to protect against an ongoing 
> network attack, and it was communicated to customers).
> 
> Simon
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