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Scheduled Service Change: Change to ensure SafeDNS for Firefox

Event:
2020-02-27 13:00:00
Expected Duration:
2020-02-27 13:15:00
Status:
Closed
Brief Description:
Change Campus DNS resolvers to mitigate Firefox DNS-over-HTTPS (DoH) behavior.
User Impact:
This change will not be noticed by customers as it changes automatic background behavior.
Services Affected:
Network
Subsites Affected:
DNS/DHCP
Full Description:
In response to Mozilla’s announcement and rollout of DNS-over-HTTPS (DoH), CIT will implement a DNS change to make the Firefox web browser continue to use the Cornell campus SafeDNS service while devices are connected to the Cornell campus network. This change will preserve the security features provided by SafeDNS. More information about the SafeDNS service can be found at: https://it.cornell.edu/wifi-wired-resnet/safedns-content-blocked.

CIT TDX ID:
CRQ000001037151



Timeline of Changes

Description Current Status Date Time
In response to Mozilla’s announcement and rollout of DNS-over-HTTPS (DoH), CIT will implement a DNS change to make the Firefox web browser continue to use the Cornell campus SafeDNS service while devices are connected to the Cornell campus network. This change will preserve the security features provided by SafeDNS. More information about the SafeDNS service can be found at: https://it.cornell.edu/wifi-wired-resnet/safedns-content-blocked. 2020-02-27 13:05:07