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Cisco - ISE

Cisco Identity Services Engine:

Cisco ISE is a service through which you can easily identify, Contain, and remediates the threats faster. It is the Next Generation identity and access control policy platform that helps enterprises in following way:

  • Facilitates New Business Services
  • Enforce Secure Compliance
  • Streamline Service Operation
  • Enhanced Infrastructure Security on Wire, Wireless and VPN

In this Cisco ISE training you will be able to learn all advance concept of Cisco ISE along with get know how Cisco ISE is configured , Managed and used in Enterprise , Here you will also get all scenarios for labs.

Course Pedagogy:

  • AAA Fundamentals
  • Cisco ISE overview & Concepts
  • Designing ISE building blocks
  • ISE Deployment Options
  • ISE setup for POC
  • Configuring ISE Network Access Security Policy
  • Configuring Device Security Policy
  • Configuring ISE Accounting & Auditing Policy
  • Basic Profiling & Security
  • How to Bootstrap Network Access Devices
  • Learning Network Authorization Policy Elements
  • Authentication & Authorization Policy
  • Guest Lifecycle Management Introduction
  • BYOD: Self Service Onboarding & Registration
  • Remote Access VPN & ISE

 As we will go more and more in details we will see how ISE is very much beneficial for Securing Enterprise. But here are some high level benefits of Cisco ISE.

  • It learns who all are getting access to network
  • It control Network access securely, consistently & efficiently

Below are some technical capabilities of Cisco ISE:

  • Provides User identification along with user access control
  • It learns about Network, User and also about Device Context available on Network Devices
  • Provides Centralized Security Policy for Wired, Wireless and VPN user.
  • Provides Management of Guest user access
  • System-wide visibility that mean who, where and what is connected on network
  • Provides features like AAA, device profiling, device posture, Mobile device onboarding, guest services
  • BYOD onboarding & its Security policies and profiles
  • TACACS+ device on AAA
  • Implementing Cisco TrustSec policy Management and enforcement
  • Building Certificate Authority (CA) for Certificate based authentication
  • Ability to share information and context inside of ISE to another device like NGFW, Cisco Platform Exchange Grid.

Identity & Context Awareness Sources for ISE:

ISE provides security by obtaining Identity & Context information from following sources:

802.1X: It is IEEE standard for Layer 2 authentication or access control on wired or wireless network. 802.1X uses either user identity or machine identity or can also use both to offer permit and deny for accessing network.

Identity via Web-portal: Once user try to connect to network, he will be redirected to web-portal to provide information which will be further used by ISE for authentication and authorization.

Some of the other method by which ISE collects information are as given below:

  • Guess Access Method
  • VPN authentication method
  • MAC address authentication bypass

Now once identity information has been established, ISE will use contextual information from network, user and devices. Below are some method ISE use to collect it.

  • User identification from LDAP, AD, RADIUS
  • Device attributes from LDAP using Machine account lookup
  • Location information like physical, GPS location, Switch port location
  • Device Posture information like OS version , OS type , OS patches , Service Pack Level , Security Software , Application Inventory , registry keys , digital certificates etc.
  • Context Information from network & Security solutions like AMP, Cisco Stealthwatch, Cisco NGFW etc.

Now once these information are collected by ISE, these information are used to build ISE Security Policy Framework. ISE provides centralized view which can manage 500,000 endpoints regardless of wire, wireless and VPN.

Following are permission that ISE provides once policy matches, some of the options are:

  • Deny any Network access
  • Permit all Network access
  • Restrict network access by downloading ACL to access device
  • Change Assigned VLAN on switch port
  • Restrict client for Web-authentication
  • Auto-provision device 802.1X suppliant or Client
  • Assign Security Group Tag (SGT) to all data frames

Note: ( Refer before Purchase )

  • We don't offer Any Hands-On labs for practice in this course.
  • Lab discussed here contains different Scenarios, task & Its recorded Solutions. 
  • Content of each page is 30-40% visible for Customer verification about content.
  • Before any purchase , verify content then proceed,VLT is in progress,No refund Policy. 
  • For More Detail : Mail dclessons@dclessons.com , FAQ & TC page.

GENERAL FAQ

CWA is more flexible and can scale. It also enables you to make faster authorization changes, VLAN enforcement, and profiling or posturing of guest device capabilities not easily addressed by LWA. It can also be centrally managed, so that an admin does not have to set up each device.

LWA does a guest network login directly on network hardware, which is switches or controllers presented by them. Central Web Auth (CWA) moves these responsibilities onto ISE, giving a single place for web pages/policies and guest control.

NAD with Central WebAuth: This scenario applies to wireless and wired network access devices. In this scenario, the user is redirected to the Cisco ISE web service for authentication. The authentication is performed on Cisco ISE. Cisco ISE requests a change of authorization (CoA) from the NAD after authentication.

WLC with Local WebAuth: In this scenario, the user logs in and is directed to the WLC. The WLC then redirects the user to the Guest portal. The Guest portal prompts the user for a username and password and performs an optional acceptable use policy (AUP). When this process is complete, the user's browser is redirected back to the WLC to log in again. The WLC authenticates the user via RADIUS and then redirects the client browser to the original destination.

Wired NAD with Local WebAuth: In this scenario, the Guest User login portal redirects the guest user login request to the switch. The login request is in the form of an HTTPS URL that is posted to the switch and contains the user credentials. The switch receives the user login request and authenticates the user through a RADIUS server that points to Cisco ISE.

 

ISE features three primary types of guest portals:

·   Hotspot Portal: Clients are connected after AUP acceptance.

 

·   Sponsored Portal: The guest is given his login information by an authorized employee (sponsor).

·    Self-Registration Portal - Guests create their own accounts and request access.

Cisco ISE offers a wide range of portals. As part of session services, portals are websites that are hosted by the Cisco ISE packet-switched network (PSN) and provide many advanced features that require user interaction.

The Cisco ISE portals are as follows:

·       Guest portal

 

·       Sponsor portal

 

·       BYOD on-boarding portal

 

·       Client provisioning portal

 

·       My devices portal

 

The users are divided into categories of the access period. Short-term visitors are categorized as Daily or Weekly, and long-term visitors, like contractors, may be granted access for up to a year. These types enable administrators to automatically enforce the proper access controls.

Four ways to share access - Give access however you’d like: username and password (created by a sponsor or through self-registration), the same access code for a group, or a unique registration code generated when guests register on their own.

To create and manage guest accounts, employees or staff authorized to do so access the Sponsor Portal. Sponsors are authenticated via Active Directory or local ISE credentials and assigned guest types (employee, contractor, supplier) with access rights.

Before sponsors can provision any guest accounts, a system administrator must configure the sponsor portal. An entire guest account management operation cycle is available from the sponsor portal. By using the sponsor portal, sponsors can manage guest account details, send notifications to guests, or create a set of random accounts.


Comment

  • AT

    Very good and deep explanation. Keep it up for all other courses.

    • DC

      Thanks Anoop


  • VS

    The author has written the course from a very high-level perspective. I was expecting this course to thoroughly introduce the topic. Language seems inconsistent and hurried, more pictures and in-depth explanations should be included. I feel disappointed with the course.

    • DC

      Sure, we will try our best. thanks


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