By Eric Vyncke,Christopher Paggen
LAN change safeguard: What Hackers find out about Your Switches - A sensible consultant to hardening Layer 2 units and preventing campus community attacks
Contrary to well known trust, Ethernet switches are usually not inherently safe. safeguard vulnerabilities in Ethernet switches are a number of: from the change implementation, to manage aircraft protocols (Spanning Tree Protocol [STP], Cisco® Discovery Protocol [CDP], etc) and knowledge aircraft protocols, resembling deal with Routing Protocol (ARP) or Dynamic Host Configuration Protocol (DHCP). LAN change defense explains the entire vulnerabilities in a community infrastructure regarding Ethernet switches. additional, this e-book exhibits you the way to configure a change to avoid or to mitigate assaults in line with these vulnerabilities. This booklet additionally encompasses a part on tips on how to use an Ethernet swap to extend the safety of a community and stop destiny attacks.
Divided into 4 elements, LAN change safeguard will give you steps you could take to make sure the integrity of either voice and information site visitors touring over Layer 2 units. half I covers vulnerabilities in Layer 2 protocols and the way to configure switches to avoid assaults opposed to these vulnerabilities. half II addresses denial-of-service (DoS) assaults on an Ethernet swap and indicates how these assaults should be mitigated. half III exhibits how a swap can truly increase the safety of a community throughout the usage of wirespeed entry keep watch over checklist (ACL) processing and IEEE 802.1x for person authentication and authorization. half IV examines destiny advancements from the LinkSec operating staff on the IEEE. For all components, lots of the content material is seller self sustaining and turns out to be useful for all community architects deploying Ethernet switches.
After analyzing this e-book, you've gotten an in-depth knowing of LAN safeguard and be ready to plug the safety holes that exist in a number of campus networks.
- Use port safety to guard opposed to CAM attacks
Prevent spanning-tree assaults
Isolate VLANs with right configuration techniques
Protect opposed to rogue DHCP servers
Block ARP snooping
Prevent IPv6 neighbor discovery and router solicitation exploitation
Identify strength over Ethernet vulnerabilities
Mitigate dangers from HSRP and VRPP
Stop info leaks with CDP, PaGP, VTP, CGMP and different Cisco ancillary protocols
Understand and stop DoS assaults opposed to switches
Enforce easy wirespeed safety guidelines with ACLs
Implement consumer authentication on a port base with IEEE 802.1x
Use new IEEE protocols to encrypt all Ethernet frames at wirespeed.
This defense booklet is a part of the Cisco Press® Networking expertise sequence. safety titles from Cisco Press aid networking pros safe severe info and assets, hinder and mitigate community assaults, and construct end-to-end self-defending networks.
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Extra resources for LAN Switch Security: What Hackers Know About Your Switches (Networking Technology: Security)
LAN Switch Security: What Hackers Know About Your Switches (Networking Technology: Security) by Eric Vyncke,Christopher Paggen