Chromium complains if we set Connection-length and Connection
Chromium complains if we set Connection-length and Connection

This should be unnecessary - the browser will deal with both of
these.

htem/CATMAID,htem/CATMAID,fzadow/CATMAID,htem/CATMAID,fzadow/CATMAID,fzadow/CATMAID,fzadow/CATMAID,htem/CATMAID