Packet Tuesday - Punycode Encoding DNS

Channel:
United States SANS Cyber Defense
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Published on ● Video Link: https://www.youtube.com/watch?v=4TIAE-S4cDA


Duration: 28:36
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103

In this episode of Packet Tuesday we analyze a DNS feature.

Each Tuesday Dr. Johannes Ullrich will cover a specific network feature by analyzing a packet to help you better understand networks and network traffic.

Notes:
SEC503 Network Monitoring and Threat Detection In-Depth: https://www.sans.org/u/1obN

Packets: https://packettuesday.com/packets/episode1

OpenSSL Vulnerablity: https://isc.sans.edu/diary/Critical%20OpenSSL%203.0%20Update%20Released.%20Patches%20CVE-2022-3786%2C%20CVE-2022-3602/29208
TCP/IP Cheatsheets (nice to have while watching): https://www.sans.org/posters/tcp-ip-and-tcpdump/

RFCs:
https://www.rfc-editor.org/rfc/rfc1034 Domain Name Concepts
https://www.rfc-editor.org/rfc/rfc1035 DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATIO
https://www.rfc-editor.org/rfc/rfc1101 DNS Encoding
https://www.rfc-editor.org/rfc/rfc3492 Punycode

Feedback:
https://isc.sans.edu/contact.html
jullrich@sans.edu



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Tags:
cyber defense
cyber defenders
johannes ullrich
sans sec503
network analysis
network traffic analysis
dns
dns analysis
intrusion detection
sec503
cyber defense analyst
cyber defense exercise
packet analysis
packet capture
cyber security
dns settings