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Network Protocols for Security Professionals

You're reading from  Network Protocols for Security Professionals

Product type Book
Published in Oct 2022
Publisher Packt
ISBN-13 9781789953480
Pages 580 pages
Edition 1st Edition
Languages
Concepts
Authors (2):
Yoram Orzach Yoram Orzach
Profile icon Yoram Orzach
LinkedIn
Yoram Orzach is a senior networks and networks security advisor, providing network design and network security consulting services to a range of clients. Having spent thirty years in network and information security, Yoram has worked as a network and security engineer across many verticals in roles ranging from a network engineer, security consultant, and instructor. Yoram has gained his B.Sc. from the Technion in Haifa, Israel. Yoram's experience is both with corporate networks; service providers and Internet service providers' networks. His customers are Motorola solutions, Elbit Systems, 888, Taboola, Bezeq, PHI Networks, Cellcom, Strauss group, and many other hi-tech companies.
See other products by Yoram Orzach
Deepanshu Khanna Deepanshu Khanna
Profile icon Deepanshu Khanna
LinkedIn
Deepanshu Khanna is a 29-year-old information security and cybercrime consultant and a pioneer in his country. The young and dynamic personality of Deepanshu has not only assisted him in handling information security and cybercrimes but also in creating awareness about these things. He's a hacker appreciated by the Indian government, including the Ministry of Home Affairs and Defence, police departments, and many other institutes, universities, globally renowned IT firms, magazines, and newspapers. He started his career by presenting a popular hack of GRUB at HATCon. He also conducted popular research in the fields of intruder detection software (IDS) and Advanced Intrusion Detection Environment (AIDE) and demonstrated MD5 collisions and buffer overflows, among other things. His work has been published in various magazines such as pentestmag, Hakin9, e-Forensics, SD Journal, and hacker5. He has been invited as a guest speaker to public conferences such as DEF CON, ToorCon, OWASP, HATCon, H1hackz, and many other universities and institutes.
See other products by Deepanshu Khanna
View More author details

Table of Contents (23) Chapters

Preface 1. Part 1: Protecting the Network – Technologies, Protocols, Vulnerabilities, and Tools
2. Chapter 1: Data Centers and the Enterprise Network Architecture and its Components 3. Chapter 2: Network Protocol Structures and Operations 4. Chapter 3: Security Protocols and Their Implementation 5. Chapter 4: Using Network Security Tools, Scripts, and Code 6. Chapter 5: Finding Protocol Vulnerabilities 7. Part 2: Network, Network Devices, and Traffic Analysis-Based Attacks
8. Chapter 6: Finding Network-Based Attacks 9. Chapter 7: Detecting Device-Based Attacks 10. Chapter 8: Network Traffic Analysis and Eavesdropping 11. Chapter 9: Using Behavior Analysis and Anomaly Detection 12. Part 3: Network Protocols – How to Attack and How to Protect
13. Chapter 10: Discovering LAN, IP, and TCP/UDP-Based Attacks 14. Chapter 11: Implementing Wireless Network Security 15. Chapter 12: Attacking Routing Protocols 16. Chapter 13: DNS Security 17. Chapter 14: Securing Web and Email Services 18. Chapter 15: Enterprise Applications Security – Databases and Filesystems 19. Chapter 16: IP Telephony and Collaboration Services Security 20. Assessments 21. Index 22. Other Books You May Enjoy

SSL/TLS and proxies

Secured Socket Layer (SSL) and its successor, Transport Layer Security (TLS), are protocols that are used for encrypting the upper layer. These protocols work over TCP or UDP port 443 to access web pages by secured HTTP (HTTPS) over TCP port 443, and to access Google Drive with UDP port 443 using QUIC/GQUIC.

Protocol basics

SSL was first introduced by Netscape in 1994, to be standardized as TLSv1 in RFC 2246 (IETF, January 1999), TLSv1.1 in RFC 4346 (IETF, April 2006), TLSv1.2 (IETF, August 2008), and the latest version TLSv1.3 in RFC 8446 (IETF, August 2018).

The common use for TLS is to provide secure communication between a client and a server (the peers) while providing the following services:

  • Authentication: The server side is always authenticated; the client side is optionally authenticated.
  • Confidentiality: The data that's sent over the communication channel is encrypted and only visible to the two peers.
  • Integrity: Data that...
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Authors (2)

Left arrow icon
Profile icon Yoram Orzach
LinkedIn
Yoram Orzach is a senior networks and networks security advisor, providing network design and network security consulting services to a range of clients. Having spent thirty years in network and information security, Yoram has worked as a network and security engineer across many verticals in roles ranging from a network engineer, security consultant, and instructor. Yoram has gained his B.Sc. from the Technion in Haifa, Israel. Yoram's experience is both with corporate networks; service providers and Internet service providers' networks. His customers are Motorola solutions, Elbit Systems, 888, Taboola, Bezeq, PHI Networks, Cellcom, Strauss group, and many other hi-tech companies.
Read more
See other products by Yoram Orzach
Profile icon Deepanshu Khanna
LinkedIn
Deepanshu Khanna is a 29-year-old information security and cybercrime consultant and a pioneer in his country. The young and dynamic personality of Deepanshu has not only assisted him in handling information security and cybercrimes but also in creating awareness about these things. He's a hacker appreciated by the Indian government, including the Ministry of Home Affairs and Defence, police departments, and many other institutes, universities, globally renowned IT firms, magazines, and newspapers. He started his career by presenting a popular hack of GRUB at HATCon. He also conducted popular research in the fields of intruder detection software (IDS) and Advanced Intrusion Detection Environment (AIDE) and demonstrated MD5 collisions and buffer overflows, among other things. His work has been published in various magazines such as pentestmag, Hakin9, e-Forensics, SD Journal, and hacker5. He has been invited as a guest speaker to public conferences such as DEF CON, ToorCon, OWASP, HATCon, H1hackz, and many other universities and institutes.
Read more
See other products by Deepanshu Khanna
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