You have been subscribed to a public bug:

Network Manager blocks port 68 so our device agent is not able to
complete DHCP Discovery

we have a component by name DCA-Enabler which does DHCP Discovery and expects 
response on port 68, this is generic DHCP behavior port number 68 is used by 
the client to receive (DHCP) server responses.
Refer https://en.wikipedia.org/wiki/Bootstrap_Protocol  

In older Ubuntu versions like 16.04, 18.04 etc. Network Manager does not blocks 
port 68 so DCA-E is able to read the responses.
In Ubuntu 20.04, As network manager has already occupied port 68 it gets the 
DHCP response but DCA-E does not gets access to the port and cannot read the 
response. 

So let us know what could be the solution for this, is there a way we can call 
network Manager API and read the DHCP Discovery response ?
Or can we have a call with Canonical and understand on this change in behavior ?

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
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Ubuntu 20.04 - Network Manager blocks port 68 so our device agent is not able 
to complete DHCP Discovery
https://bugs.launchpad.net/bugs/1902200
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seeded packages, which is subscribed to network-manager in Ubuntu.

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