By Jazib Frahim
Cisco community Admission Control
Volume II: NAC Framework Deployment and Troubleshooting
The self-defending community in action
Jazib Frahim, CCIE® No. 5459
David White, Jr., CCIE No. 12,021
When so much info safety pros take into consideration threats to their networks, they give thought to the specter of attackers from the surface. besides the fact that, in recent times the variety of desktop defense incidents happening from relied on clients inside of a firm has equaled these happening from exterior threats. the adaptation is, exterior threats are rather good understood and just about all businesses make the most of instruments and know-how to guard opposed to these threats. against this, the threats from inner relied on staff or companions are frequently ignored and masses tougher to guard opposed to.
Network Admission keep watch over (NAC) is designed to ban or limit entry to the secured inner community from units with a decreased safety posture until eventually they're patched or up to date to fulfill the minimal company safety standards. A basic component to the Cisco® Self-Defending community Initiative, NAC helps you to implement host patch regulations and to control community entry permissions for noncompliant, susceptible systems.
Cisco community Admission keep watch over, quantity II, is helping you know how to installation the NAC Framework answer and finally construct a self-defending community. The booklet makes a speciality of the foremost elements that make up the NAC Framework, displaying how one can effectively set up and troubleshoot every one part and the final answer. Emphasis is put on real-world deployment eventualities, and the ebook walks you step-by-step via person part configurations. alongside the best way, the authors name out most sensible practices and inform you which blunders to prevent. Component-level and solution-level troubleshooting thoughts also are provided. 3 full-deployment situations stroll you thru software of NAC in a small enterprise, medium-sized association, and massive enterprise.
“To effectively set up and troubleshoot the Cisco NAC answer calls for considerate builds and layout of NAC in department, campus, and firm topologies. It calls for a realistic and methodical view in the direction of construction layered safety and administration with troubleshooting, auditing, and tracking capabilities.”
–Jayshree V. Ullal, Senior vice chairman, Datacenter, Switching and safeguard know-how staff, Cisco Systems®
Jazib Frahim, CCIE® No. 5459, is a senior community safeguard engineer within the all over the world safeguard prone perform of the Cisco complex prone for community protection group. he's answerable for guiding clients within the layout and implementation in their networks with a spotlight on community security.
Omar Santos is a senior community protection engineer within the all over the world protection companies perform of the Cisco complicated providers for community protection group. He has greater than 12 years of expertise in safe info communications.
David White, Jr., CCIE No. 12,021, has greater than 10 years of networking adventure with a spotlight on community defense. he's presently an escalation engineer within the Cisco TAC, the place he has been for greater than six years.
- Effectively install the Cisco belief Agent
- Configure Layer 2 IP and Layer 2 802.1x NAC on community entry units
- Examine packet circulation in a Cisco IOS NAD whilst NAC is enabled, and configure Layer three NAC at the NAD
- Monitor distant entry VPN tunnels
- Configure and troubleshoot NAC at the Cisco ASA and images defense home equipment
- Install and configure Cisco safe entry keep an eye on Server (ACS) for NAC
- Install the Cisco safeguard Agent Manage-ment middle and create agent kits
- Add antivirus coverage servers to ACS for exterior antivirus posture validation
- Understand and follow audit servers in your NAC resolution
- Use remediation servers to instantly patch finish hosts to convey them in compliance together with your community rules
- Monitor the NAC resolution utilizing the Cisco defense tracking, research, and reaction approach (MARS)
This safety publication is a part of the Cisco Press® Networking expertise sequence. defense titles from Cisco Press support networking execs safe serious info and assets, hinder and mitigate community assaults, and construct end-to-end self-defending networks.
Category: Cisco Press–Security
Covers: community Admission Control
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Additional resources for Cisco Network Admission Control, Volume II: NAC Deployment and Troubleshooting
9. (Optional) Based on the posture credentials, Cisco Secure ACS can send a message to the end host to be displayed to the user or can redirect the browser to a remediation server. The remediation server can automatically push out patches and updates to the endpoint to bring it in compliance with the corporate security policy. 10. The host is now permitted (or denied) access to the network, based on its posture and the VLAN it is assigned to. Network Admission Control 11 Periodic Revalidation Periodic revalidations are built into the NAC-L3-IP and NAC-L2-IP solution.
CSA’s state change dynamically activates additional rules within CSA, thereby providing another level of protection to the host. Components That Make Up the NAC Framework Solution 15 Cisco Security Agent Management Center (CSA MC) provides a powerful, scalable application used to manage all agents. When an agent is installed on a host, it ﬁrst registers with CSA MC and downloads any updates to its rule set. Thereafter, the agent periodically polls CSA MC to check for any new software or rule updates.
1X Wired Client Custom Deployment Conﬁguration—Station Policy 38 Chapter 2: Cisco Trust Agent Step 4 In the User Credentials section, select one of the following options: — Use Single Sign-On for Password Credentials—This option uses the user’s Windows login credentials.
Cisco Network Admission Control, Volume II: NAC Deployment and Troubleshooting by Jazib Frahim