The background connection to Mozilla's standard snippet service (which serves tips and news on the blank tab page) was completely removed to stop unnecessary external pinging.
. Enabling this allows the browser to filter malicious websites at the network level. Import Data comodo icedragon 42.0.0.25
Comodo had to reapply its patches—hundreds of lines of low-level hooks—to each new Firefox release. By late 2016, Icedragon lagged Firefox (Firefox 51 vs Icedragon 48). Security fixes from Mozilla were not being merged quickly. comodo icedragon 42.0.0.25
Comodo implemented a :