SUMO is down

Cheng Wang


Because of network issues, a number of Mozilla web properties are down, including Our IT and networking teams are working around the clock to try to restore service. We’re sorry for the inconvenience.

If you want to hang out with your SUMO friends, IRC is still up: connect your IRC client to: and join channel #sumo.

Thanks for your patience.

Update: We seem to be back up and running.  You can check the status of SUMO on our status page