Injury Surveillance in Scotland: Importance and Implementation Overview
Scotland's Public Health body, Public Health Scotland, leads efforts in injury surveillance to prolong healthy life, prevent disease, and promote health. Long-term investment in prevention involves various sectors. Injury surveillance is crucial as it helps manage and prevent injuries, with coded da
4 views • 24 slides
Collaboration for Efficient COVID-19 Surveillance: NNDSS Case Notifications
Center for Surveillance, Epidemiology, and Laboratory Services is working with Michele Hoover's team to streamline the COVID-19 National Notifiable Diseases Surveillance System (NNDSS) for jurisdictional efficiencies. The timeline showcases the progression from the first CDC-confirmed case to the de
2 views • 20 slides
Enhancing AFP Surveillance for Polio Eradication in East Africa
This presentation discusses the importance of Acute Flaccid Paralysis (AFP) surveillance in detecting poliomyelitis cases, with a focus on the National Stop Transmission of Polio Mission in Kasese District, Uganda. The goal is to eradicate poliovirus through strategies such as immunization campaigns
0 views • 12 slides
Roadmap for DNS Load Balancing Service at CERN - HEPiX Autumn 2020 Workshop
This roadmap presented by Kristian Kouros on behalf of the DNS Load Balancing Team at CERN outlines the introduction, implementation, and upgrades associated with the DNS Load Balancing Service. It covers topics such as system architecture, LBClient metrics, and the overall structure of the service.
3 views • 29 slides
Role of Rapid Diagnostic Test for Measles in Global Surveillance
Laboratory-based surveillance is crucial for monitoring and controlling measles outbreaks. The development of new tools like rapid diagnostic tests (RDTs) for measles diagnosis can revolutionize surveillance efforts. Challenges in introducing new diagnostics are discussed, along with the importance
0 views • 30 slides
Harnessing Syndromic Surveillance Systems for Climate-Related Outcomes
Utilizing syndromic surveillance systems can provide valuable insights into the impact of climate change on health outcomes. This document aims to guide users on identifying outcomes, creating case definitions, combining data sources, and engaging with partners for effective climate and health surve
1 views • 28 slides
Understanding Domain Name Service (DNS) in Linux Network Administration
Domain Name Service (DNS) is a crucial scheme for resolving hostnames in a network, eliminating the need to record all hostnames in a local file. The Berkeley Internet Name Domain service (BIND) is a prominent DNS implementation providing efficient hostname resolution. DNS organizes hostnames in a h
0 views • 35 slides
Understanding BIND DNS Security Vulnerabilities and Configuration
Dive into the world of BIND DNS with a focus on security vulnerabilities, zone transfer restrictions, rate limiting, and essential configuration options. Explore key topics such as ISC mailing lists, CVE announcements, and best practices for setting up BIND DNS servers.
1 views • 16 slides
Understanding DNS Replication with BIND9
Explore the intricacies of DNS replication using BIND9, including the role of authoritative name servers, the importance of serial numbers, and the process of data transfer between master and slave servers. Discover insights on maintaining consistency in zone data to ensure smooth DNS operations.
2 views • 39 slides
Automating DNS Maintenance with Catalog Zones: A New Approach
Explore a fresh method for automating maintenance in DNS servers through catalog zones, focusing on dynamic configuration data. Learn about generating includes for various DNS daemons and enhancing zone management efficiency. Discover how to streamline provisioning and loading processes with Python,
0 views • 12 slides
Understanding Domain Name System (DNS) and Content Distribution Networks (CDNs)
This lecture delves into the fundamentals of the Domain Name System (DNS), highlighting the differences between DNS hostname and IP address, the various uses of DNS, the original design challenges of DNS, its goals and non-goals, and the hierarchical structure of the DNS. It also covers the role of
0 views • 60 slides
DNS Forensics & Protection: Analyzing and Securing Network Traffic
DNS Forensics involves using DNS traffic to analyze network health, detect anomalous behavior, and combat malicious activities. By understanding DNS activity on systems and implementing defense strategies, users and network providers can enhance security and privacy.
0 views • 16 slides
Unveiling IBDNS: The Intentionally Broken DNS Server
Uncover the unique server, IBDNS, intentionally designed to simulate faulty DNS scenarios for testing. Explore its unconventional testing tools, coverage of RFCs, and architecture focusing on file zones and bit-flip examples. Delve into testing methodologies and response simulations tailored for dia
0 views • 17 slides
Understanding DNS Performance and Issues in Information-Centric Networks
DNS (Domain Name System) plays a crucial role in the Internet and web infrastructure, impacting scalability and content delivery. This content delves into DNS issues, comparing ISP DNS with Google DNS and OpenDNS in terms of latency, caching, and performance with CDNs. It explores how caching, third
0 views • 12 slides
Understanding DNS Flag Day and EDNS: A Comprehensive Overview
DNS Flag Day marks a coordinated effort to remove workarounds in DNS implementations, impacting domains in various ccTLDs like .CL, .CZ, .SE, .NU, and .NZ. Enhanced DNS (EDNS) provides a mechanism for supporting new options, but issues arise from poor DNS implementations causing delays and hindering
0 views • 20 slides
DNS Testing and Signatures Rollover Analysis
In this content, Geoff Huston from APNIC discusses DNS testing and transport considerations, focusing on the rolling roots process. The discussion includes insights on rolling root keys, KSK repositories in the US and Amsterdam, and a step-by-step guide on how to perform a Key Signing Key (KSK) roll
0 views • 39 slides
Improving DNS Security with KINDNS Best Practices
Best practices for improving DNS resilience and security are crucial for protecting billions of Internet users. Initiatives like KINDNS aim to establish global norms to enhance DNS security by codifying these practices. The KINDNS group focuses on practices for authoritative and recursive nameserver
0 views • 17 slides
Understanding Domain Names for Authoritative DNS Servers
Researchers need to accurately define the types of authoritative DNS servers they sample when measuring server properties. This study focuses on collecting domain names used for web servers to assess typical domain name characteristics, highlighting the importance of accurate data for research purpo
0 views • 7 slides
Understanding DNS Centrality: The Internet's Core Challenge
Delve into the critical issue of DNS centrality on the Internet, its impact on competition and innovation, and the consolidation trends shaping service provision. Explore the implications of a single entity controlling the DNS and its broader influence on the online ecosystem in just 20 minutes. Unc
0 views • 50 slides
Challenges of DNS Centrality in Internet Infrastructure
The presentation discusses the issue of centrality in the DNS and its impact on the Internet. It explores the implications of concentration of control, economic considerations, and the history of consolidation in DNS services. The importance of competition, innovation, and consumer benefits are high
0 views • 47 slides
Understanding Factors in Country Names and DNS Confusion
This content explores the intricacies of country names in the Domain Name System (DNS), covering long-form, short-form, colloquial/native names, and more. It delves into the case of Switzerland as an example, detailing its various official and colloquial names. Additionally, the text discusses facto
0 views • 4 slides
Understanding the Domain Name System (DNS) Structure
The Domain Name System (DNS) is a distributed data collection utilizing a delegation hierarchy to reflect the hierarchical structure of domain names. This system resolves DNS names by discovering information through iterative searches, starting from the root zone. The process involves querying serve
0 views • 25 slides
Proactive Network Protection Through DNS Security Insights
Exploring proactive network protection methods using DNS, security challenges, botnet threats, firewall management, malware controls, and DNS-based malware control. Discussions on DNS security vulnerabilities, DNSSEC, threat intelligence, machine learning, and best practices like RPZ for DNS protect
0 views • 29 slides
Understanding Network Security Fundamentals
Explore the critical components of network security focusing on DNS, BGP, and RPKI. Learn about the importance of trust on the Internet, potential attacks, and measures to secure DNS and BGP protocols. Delve into naming hierarchy, DNS structure, hierarchical administration, and DNS server functions.
0 views • 70 slides
Understanding DNS Security Mechanisms
Various DNS security mechanisms like DNSSEC, DNS Cookies, CAA, SPF, DMARC, and more are crucial in protecting against security threats targeting the DNS ecosystem. This analysis delves into the prevalence and effectiveness of these mechanisms in countering vulnerabilities such as cache poisoning, am
0 views • 29 slides
Understanding DNSSEC: Adding Digital Signatures to DNS Responses
DNSSEC (Domain Name System Security Extensions) allows for the addition of digital signatures to DNS responses, ensuring the authenticity, completeness, and currentness of the data received by a client. By validating the digital signature, clients can trust the response received is genuine and unalt
0 views • 27 slides
Understanding DNS Registration: Importance and Process Explained
DNS registration is crucial for establishing online presence. It involves registering domain names like web pages and email addresses. HEAnet delegates to hosting providers, like IEDR, who ensure quality service and support customers. Timing is key - think about DNS registration at the project's sta
0 views • 7 slides
Evolution of Domain Name System (DNS) Since 1983
Domain Name System (DNS) has played a crucial role in converting domain names to IP addresses since its inception in 1983. This system has revolutionized the way we navigate the internet, translating human-readable names into machine-readable IP addresses. The distributed and hierarchical nature of
0 views • 23 slides
Enhancing Influenza Surveillance in Texas: Strategies and Goals
Emilio Gonzales presents a comprehensive plan for advancing influenza surveillance in Texas, focusing on considerations, goals for the upcoming flu season, and strategies to increase participation in surveillance programs. The plan includes enhancing respiratory disease surveillance, expanding senti
0 views • 15 slides
Understanding DNS and Network Address Translation
DNS, or Domain Name System, is a vital component of the internet that translates domain names into IP addresses. This essential system allows users to easily navigate the web using familiar names instead of complex numbers. Explore the importance of DNS, its structure, and how it functions within co
0 views • 41 slides
Internet Society Armenia's Role in Managing and Enhancing Armenia's DNS Infrastructure
Internet Society Armenia (ISOC.AM) actively manages Armenia's country code top-level domain (ccTLD) and plays a crucial role in ensuring the stability, resilience, and security of the country's DNS servers. Through partnerships with organizations like ICANN and RIPE NCC, ISOC.AM oversees the operati
0 views • 23 slides
Enhancing Privacy in DNS Zone Exchanges
This work presents a privacy-aware schema for efficient distribution of Authoritative DNS Server zones to Recursive DNS Servers or scrubbing services. By utilizing probabilistic data structures like Cuckoo Filters, the system ensures efficient zone mapping, compatibility with existing DNS infrastruc
0 views • 17 slides
DNS Openness - Exploring the Impact of DNS Regulations on Information Access
DNS openness is essential for unrestricted access to information and services. However, varying regulatory requirements and ISP practices result in different DNS resolutions globally, impacting user experiences. Despite these challenges, threats like malware mitigation justify such deviations from a
0 views • 41 slides
DNS Query Behavior Analysis: Understanding Queries for Non-Existent Names
Exploring the unexpected high number of DNS queries for non-existent names and the factors contributing to this behavior, including Happy Eyeballs and client query patterns. Revealing insights into the complexities of DNS resolution processes.
0 views • 27 slides
Understanding Resolverless DNS and its Implications
Resolverless DNS, as discussed by Geoff Huston, delves into the architecture and issues of the DNS system. It explores the impact of resolver caches on speed and predictability of resolution, the potential for filtering DNS content, and the significance of metadata collection. The evolution of DNS s
0 views • 30 slides
Understanding the Risks of DNS Surveillance
DNS surveillance poses significant risks due to the ease of tapping, tampering, and profiling user activities. While complete prevention may be challenging, there are measures to make it harder to collect individual profiles. The combination of queried labels, responses, and metadata creates privacy
0 views • 41 slides
Understanding Domain Name System (DNS) Fundamentals
The Domain Name System (DNS) is a crucial component of the Internet, facilitating the conversion of human-readable domain names into IP addresses. This session covers the basics of DNS, the need for names in computing, challenges of the old HOSTS.TXT system, the distributed nature of DNS, its hierar
0 views • 29 slides
Understanding Domain Name System (DNS) Resolver Operation and Debugging
The session explores the operation of Domain Name System (DNS) resolvers, focusing on how resolvers work, caching, and querying authoritative nameservers. It delves into the process of resolving queries, locating authoritative nameservers, handling cache misses, and the hierarchical structure of DNS
0 views • 37 slides
Methods of Surveillance by Romanian Securitate in the Late 80s
Explore the various surveillance methods employed by the Romanian Securitate in the late 80s to monitor and control writers, including general and priority informational surveillance, individual surveillance files, and the dimensions of the secret archive. Learn about the measures taken by the Secur
0 views • 11 slides
Insights into DNS Flag Day 2020 Trends and Analysis
Delve into the DNS Flag Day 2020 observations and trends, including changes in buffer sizes, UDP fragmentation, and the selection of threshold points for DNS to switch to TCP. Explore the impact of varying buffer sizes on users and the DNS system, highlighting shifts in usage percentages and implica
0 views • 29 slides