PPT-DNS, Web, TCP Sequence Numbers

EE122 Discussion 10192011 DNS Mapping between names eg wwwcnncom and addresses eg 15716625518 Hierarchy of DNS servers Root servers Toplevel domain TLD servers Authoritative DNS servers. Sylvia Ratnasamy. http://inst.eecs.berkeley.edu/~ee122. /. Material thanks to Ion . Stoica. , Scott . Shenker. , Jennifer Rexford, Nick . McKeown. , and many other colleagues. 2. TCP Header. Source port. CS144 Review Session 4. April 25, 2008. Ben Nham. Announcements. Upcoming dates. Wed, 4/30: Lab 3 due, Lab 4 out. Fri, 5/2: Midterm Review. Mon, 5/5: In-class midterm. Wed, 5/14: Lab 4 due. Lab 3 is more complex than Lab 1 or Lab 2, so start now. Swarun Kumar. With Slides From: Prof. Katabi, . Alizadeh. et al.. Congestion: A big problem. Sources in the Internet are compete for bandwidth and buffer space. S. 1. S. 2. R1. D. 10Mb/s. 2Mb/s. 100Mb/s. Mar 29, 2017. TCP. T. ransmission . C. ontrol . P. rotocol. Transport layer protocol. User Datagram Protocol (UDP) is another one. 2. TCP segment structure. Bit. 0. 1. 2. 3. 0. 1. 2. 3. 4. 5. 6. 7. 8. . some basic vulnerabilities. Dan Boneh. CS 155. Backbone. ISP. ISP. Internet Infrastructure. Local and . interdomain. routing. TCP/IP for . routing. . and messaging. BGP for routing announcements. How to Crack Sequence Number Under A Second. By. . INFERENCE ATTACK. . BY. . Zhiyun. Qian, . Z.Morley. , . . MaoYinglian. . Xie. . Presented By:. Yugendhar. Reddy . Sarabudla. Today’s AGENDA. Introduction. Background description. TCP Sequence Number Inference Attack. 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. 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 can’t!. DNS interception and rewriting is common these days. Start Here--- https://bit.ly/3BafKIB ---Get complete detail on TCP-BW exam guide to crack TIBCO Certified Professional - BusinessWorks (TCP-BW). You can collect all information on TCP-BW tutorial, practice test, books, study material, exam questions, and syllabus. Firm your knowledge on TIBCO Certified Professional - BusinessWorks (TCP-BW) and get ready to crack TCP-BW certification. Explore all information on TCP-BW exam with number of questions, passing percentage and time duration to complete test. Many thanks to past EE 122 GSIs. These are TCP Details!. These details . ARE NOT . representative of all sliding window protocols!. TCP Sequence Numbers. Initial sequence number not necessary 0. Sequence number refers to . Chief Scientist . APNIC Labs. Why pick on the DNS?. The DNS is very . easy . to. tap . and. tamper. DNS queries are open and unencrypted. DNS payloads are not secured and tampering cannot be detected. Ashkan Paya . 1. Based on. An argument for increasing TCP’s initial congestion window. Nandita Dukkipati, Tiziana Refice, Yuchung Cheng, Jerry Chu, Tom Herbert, Amit Agarwal, Arvind Jain and Natalia Sutin. Google Inc.. By: Dr. T V Gopal, Professor, DCSE, CEG Campus, Anna University, Chennai. e-mail: gopal@annauniv.edu; gopal.tadepalli@gmail.com. Based on my experience in teaching “Network Programming” . [with Focus on UNIX & JAVA] & Research in “Distributed Operating Systems”.