Set network.proxy.allow_bypass to false

This is another 'bypass the proxy' flag added recently. I don't believe it's in ESR 91 but it wouldn't hurt to set it there to be safe...

assigned to @boklm

added Doing label

mentioned in merge request !224 (merged)

closed with merge request !224 (merged)

mentioned in issue #40913 (closed)

mentioned in merge request !290 (merged)

marked this issue as related to #40913 (closed)