Disable Network Prediction

An XCCDF Rule

Description

To disable the network prediction feature, set DnsPrefetchingEnabled to false in the Chromium policy file.

Rationale

This controls not only DNS prefetching but also TCP and SSL preconnection and prerendering of web pages.

ID: xccdf_org.ssgproject.content_rule_chromium_disable_network_prediction
Severity: Unknown
References: DTBC0025
Updated: about 1 year ago






if ! grep -q DnsPrefetchingEnabled /etc/chromium/policies/managed/chrome_stig_policy.json; then
   sed -i -e '/{/a \  "'DnsPrefetchingEnabled'": 'false',' /etc/chromium/policies/managed/chrome_stig_policy.json
else
   sed -i -e 's/\"'DnsPrefetchingEnabled'.*/\"'DnsPrefetchingEnabled'\": 'false',/g' /etc/chromium/policies/managed/chrome_stig_policy.json
fi