PPT-Some Technology Trends in the DNS

Geoff Huston October 2020 Three broad topics DNSSEC DNS Privacy Other Stuff 1 DNSSEC Why How can you believe what the DNS tells you You cant DNS interception and rewriting is common these days. EE122 Fall 2011. Scott Shenker. http://. inst.eecs.berkeley.edu. /~ee122/. Materials with thanks to Jennifer Rexford, Ion . Stoica. , Vern . Paxson. and other colleagues at Princeton and UC Berkeley. Theory. 1. How DNS works. Theory. 2. 3. How DNS Works - Theory. Domain names. Arranged in a tree. Cut into zones. Each served by a nameserver. 4. How DNS Works - Theory. Domain name space consists of a tree of domain names. Curtis Taylor. taylorcr@ornl.gov. Craig . Shue. cshue@. ornl.gov. Outline. Automated Attacking. Costs to Organizations. Some Observations. Our Approach. Lightweight Capabilities. Fast Flux Defense. Future Directions. Vijay Tinnanur & Jonathan Tuliani. Azure Networking. BRK3473. Agenda . Context. DNS . services in Azure. Introducing Azure DNS . Azure DNS Deep Dive. Demo . Context. Why DNS ?. Where is . www.contoso.com. What is DNS?. 1. Domain Name System. The . Domain Name System (DNS) is used to resolve human-readable . hostnames . into machine-readable IP . addresses.. How does DNS Works?. 2. How Does DNS Works?. Threats. Efficient IP Company Overview. Americas Headquarters - West Chester, Pennsylvania. European Headquarters - Paris, France. First Commercial . R. elease 1998. Branded EfficientIP In 2004 – Innovative DDI Software Company. . draft-savolainen-mif-dns-server-selection-04. Teemu Savolainen (Nokia). Jun-ya Kato (NTT). MIF WG meeting @ IETF#79. 11-Nov-2010. Related MIF milestone. 1) DNS server selection solution: a specification for describing a way for a network to communicate to nodes information required to perform advanced DNS server selection at name resolution request granularity in scenarios involving multiple namespaces. The specification shall describe the information to be delivered for nodes and the protocol to be used for delivery.. domainfest.asia. . 20 Sep 2016 Hong Kong richard.lamb@icann.org. What’s all this I hear about the Internet of Things?. (A recent visit to CES in Las Vegas). BS or Not BS?. Does it matter?. Where do “WE” fit in?. . Abhishek Madav(86378148). . Suhas Tikoo(22363556). . Urjit Khadilkar(24449837). Motivation. We plan to device . a heterogeneous service . that would monitor the resolution of the user’s . Data contributed from Rose Wilson, Rosalie J Wilson Business Development Services and Mary . P. eabody, UVM Extension. Macro . T. rends & Key Words. Healthy & . Natural. Functional Foods. “No . Port numbers for applications. MAC addresses for . hardware. IP . addresses for a way to send data in a smart, routable way. Addressing So Far. Problems with MACs/IPs/Ports. Humans . are . bad at. remembering strings of numbers. APNIC. https://. xkcd.com. /1361/. Why?. Because everything you do on the net starts with a call to the DNS. If we could see your stream of queries in real time we could assemble a detailed profile of you and interests and activities. Jun Ho Huh. Research Scientist. Cybersecurity Lab. . Saurabh Verma, . Ali Hamieh, Jun Huh Ho, Siva Raj Rajagopalan, Maciej Korczynski, Nina Fefferman.. . 1. Motivation . money talks!. . 2. It’s becoming very serious!. Applications. Updated 2-10-15. History. On ARPANet, host names were mapped to IP addresses in a . hosts.txt . file stored on a single master server. Other machines downloaded copies of . hosts.txt . periodically.