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SECURE AND PROTECT DNS TRAFFIC WITH DNS OVER HTTPS ( DOH )
PREVENT INTERFERENCE AND PROVIDE PRIVACY FOR DNS QUERIES FOR OVERALL SECURITY
ecurity of the DNS
S infrastructure has never been more critical for service providers and for their enterprise customers . Many DDoS , ransomware and data theft attacks are carried out by targeting DNS . This is largely possible because the DNS query – the request between the DNS client and the local DNS server that provides the internet address – is transmitted in clear text , that is , unencrypted . Other sensitive user information such as passwords , credit card information , email addresses , etc . is usually transmitted over secure HTTPS protocol . This has not been the case for the DNS query . As a result , DNS queries are easily subject to spoofing , interception , hijacking and other issues .
To overcome this vulnerability , DoH has been proposed by the IETF , providing the DNS query the encryption protection of HTTPS . Several companies such as Microsoft , Google , Cloudflare , and Chromium and Mozilla offer or have announced it will support this capability . A10 Networks offers DoH natively in its Thunder CFW for those organizations , typically service providers , that want to offer this capability to their subscribers . �
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