Basil may have some input, but this is a Raspbian/Chromium issue. The
images are a courtesy, and not a NW Digital Radio product. However, you
could probably use iptables to build a DROP for the interfaces.

On Thu, May 28, 2020 at 2:56 PM Mike B <kf5dey@gmail.com> wrote:

So I run Pat for winlink capability...

...I started having a lot of timeout problems so I was monitoring
axlisten...

There I noticed a problem with Chromium.
...Chromium is apparently broadcasting Upnp info over the udr0:
port...triggering the radio to transmit...and or interrupting other packet
comm and completely screwing up the data transmission.

Is there something in the Draws config that can stop that...or are the IP
address ports for udr0 and udr1 enabling it

I know that Pat is not part of Draws...but Chromium comes installed...and
whenever Chromium is running it attempts to send packets over udr0:

Anywhere I can look for info?

udr0: fm KF5xxx-10 to QST ctl UI pid=CC(IP) len 195 13:13:34IP: len 195
192.168.255.2->239.255.255.250 ihl 20 ttl 1 DF prot UDPUDP: len 175
58661->1900 Data 167M-SEARCH * HTTP/1.1HOST: 239.255.255.250:1900MAN:
"ssdp:discover"MX: 1ST: urn:dial-multiscreen-org:service:dial:1USER-AGENT:
Chromium/78.0.3904.108 Linux