Filtering out Proxy-State in COA to fix broken Cisco NAS

Fraser McGlinn fraser at
Thu Aug 9 03:19:39 CEST 2018

Hi Guys,

Trying to get COA proxying working with a Cisco NAS. Unfortunately they 
have a broken implementation where if Proxy-State is in the request it 
drops it.
I dug and found this old thread 
implying that we can filter out Proxy-State in attr_filter, however i've 
had some issues getting this working. Although this was relevant to 
freeradius 2x, i'm running 3.0.16.

Any other ways to achieve this? Hoping someone can point me in the right 

Thank heaps!

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