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GeezerVison is showing howdoesinternetwork.com — Security of networks – all Security

switch securityNetwork security is very important because all network attacks are evolving in their in their ability to evade detection and sophistication. Also, attacks are becoming more targeted and have greater financial consequences for their victims.

At first articles about Layer 2 Security. Layer 2 Security is probably the most neglected part of networking security so we offer all information about different attacks to network switches and methods to resolve and fight against those attacks. Commands that you need to setup network security is offered for Juniper and also for Cisco devices. In this introductory article we will inform you about best practices that you should follow to secure the switch.

Switch security – best way of configure the switch to protect him from outside and inside attacks.

Security articles from different categories:

General Networking Security:
Security articles: 
  • Reflexive Access List
  • Juniper Control Plane Protection
  • QKD – How Quantum Cryptography Key Distribution Works
  • Introduction to Quantum Cryptography
  • Cryptography
  • Control Plane Protection in Cisco IOS
  • How Encryption of Network Traffic Works?
  • Mitigate DoS Attack using TCP Intercept on Cisco Router
  • How to Enable Dot1x – more complex setup for wired network
  • How to Enable Dot1x authentication for wired clients
  • What is the difference between tunnel | transport mode in IPsec
  • IPv6 First-Hop Security
  • Source-based routing in IPv4 and IPv6 networks
  • RADIUS server Infrastructure
  • Find unknown static IP on device
  • Unidirectional communication filter between two VLANs
  • How to prevent or stop DoS attacks?
  • DoS Methods – PDoS, Permanent DoS attacks
  • DoS Methods – ICMP and SYN flood, Teardrop and Low-rate DoS attacks
  • DDoS – Distributed Denial of Service attack
  • DoS and DDoS – Denial of Service attacks
  • IPSec
  • Application Layer Firewalls
  • Transparent Firewalls
  • How does Firewall defend our Network?
  • Protecting a VoIP Network with Security Appliances
  • Implement Auxiliary VLANs to make VoIP Networks secure
  • Make voice Network more secure
  • Flame Virus
  • Vishing and Toll Fraud – VoIP Vulnerability
  • Attack on SIP protocol – VoIP Vulnerability
  • VoIP spam – VoIP Vulnerability
  • VoIP Security – Main Targets of VoIP Attacks
  • Firewall – Defending Networks
  • Secure the switch – best steps
  • VACL – VLAN Access Lists
  • Switch Security Attacks – Layer 2 Security
  • VPN – What is VPN and how it works?
  • Phishing – What is phishing?
Layer 2 Security – Switch security:
  • Configuring MACsec Encryption
  • MACSec – Media Access Control Security
  • SPAN – Switched Port Analyzer technology and configuration
  • VLAN hopping attack – Switch Spoofing and Double tagging
  • Mitigate VLAN hopping attack – Get rid of Layer 2 attacks
  • STP Layer 2 attack – Manipulating Spanning Tree Protocol settings
  • Protecting Against STP Layer 2 Attack
  • PVLAN – Private VLANs
  • MAC Address Flooding – MAC address table overflow attacks
  • Using Port Security to Mitigate Layer 2 Attacks
  • Spoofing Attacks – DHCP Server Spoofing
  • Prevent DHCP Server Spoofing by using DHCP snooping
  • Spoofing Attacks – ARP Spoofing
  • Switch Security Attacks – Layer 2 Security
  • Prevent ARP Spoofing using Dynamic ARP Inspection – DAI
  • Secure the switch – best steps
  • CDP Attacks – Cisco Discovery Protocol Attack
  • Telnet Attacks – Ways to compromise remote connection

Special articles: Layer 2 Attacks on the right, solutions on the left:

Layer 2 security attacks: Layer 2 attacks prevention:
  1. VLAN hopping attacks – Switch Spoofing and Double tagging
  2. STP – Spanning Tree Protocol attack
  3. Mac address flooding
  4. DHCP Server Spoofing
  5. ARP Spoofing
  6. CDP attack
  7. Telnet Attack
  1. Prevent VLAN hopping attacks attacks – Spoofing and Double tagging
  2. Prevent STP attack
  3. Prevent Mac address Flooding
  4. Prevent DHCP Server Spoofing
  5. Prevent ARP Spoofing
  6. Prevent CDP attack

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