Advanced Networking with CISCO (CCNA) > Infrastructure Security

Access Control List (ACL)

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An Access Control List or ACL is a set of permissions given to an individual or group, limiting their access to a system. These are mostly used in Unix-like operating systems to control file access.

For file systems, an access control list (ACL) provides an additional, more flexible authorization mechanism. Its purpose is to help with UNIX file permissions. ACL allows you to grant rights to any disc resource to any user or group.

ACLs are a type of access control list. They are used to control the permissions of users and groups. An ACL is a set of instructions that define which users or groups have access to a certain resource. Those instructions can be stored in three different formats: as an ACL, as an Extended ACL, or as a named local group policy object (GPO). The first two formats can be applied within Windows NT file systems and NTFS file system volumes only. The last one is more flexible and can also be applied to Active Directory objects like user and group accounts, domains, organizational units (OUs), and sites.

A network access control list (ACL) is a set of rules that either grant or refuse access to a computer system.

The primary goal of utilising an ACL is to secure your network. Without it, any traffic can enter or exit, leaving the area open to unwelcome and harmful traffic. You can use an ACL to improve security by denying specific routing modifications or controlling traffic flow.

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  2. Basics of Networking Cables
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  3. Types of Topology Part -1
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  4. Types of Topology Part -2
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  5. TCP/IP Suite
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  6. OSI Model
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  7. Network Devices
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  8. Network Protocols
    34m 38s
  9. Next-Generation Firewalls
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  10. Assignment : Introduction To Networking
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  1. IP Address
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  2. IP Address Classes
    29m 41s
  3. IP Subnetting
    26m 59s
  4. Class C Subnetting
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  5. Configuration of IP Address
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  6. IPv6 Addressing Part -1
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  7. IPv6 Addressing Part -2
    16m 52s
  8. Assignment : IP Address
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  1. Introduction to Cisco IOS
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  2. Router Memory
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  3. Modes in a Router
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  4. Cisco IOS Password Configuration
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  5. Practical: Router Configuration
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  6. Practical: Commands of Routing
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  7. Assignment : Working With Cisco Devices
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  1. Routing Fundamentals
    23m 16s
  2. Static Routing
    28m 43s
  3. Default Routing
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  4. Dynamic Routing
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  5. Packet Forwarding
    4m 51s
  6. Assignment : Basic Routing Technologies
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  1. Advanced Routing Technologies
    20m 59s
  2. RIPv1 & RIPv2 Configuration
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  3. OSPF Routing
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  4. Configuring OSPFv2
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  5. Configuring OSPFv3
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  6. Hybrid Routing Protocol
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  7. EIGRP Routing and Configuration
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  8. Assignment : Advanced Routing Technologies
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  1. LAN Switching Technologies
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  2. Introduction to Ethernet
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  3. Switching Techniques
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  4. Basic Switch Configuration
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  5. Assignment : Basic LAN Switching Technologies
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  1. Introduction to VLAN
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  2. Switch Mode Port
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  3. VLAN Routing
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  4. Router-on-Stick Configuration
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  5. VLAN Trunking Protocol
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  6. Spanning Tree Protocol
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  5. DHCP Configuration
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  6. Syslog
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  7. SNMP Protocol
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  8. Assignment : Infrastructure Services
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  2. WAN Device
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  3. VPN Configuration
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  4. Point-to-Point Protocol (PPP) Configuration
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  5. Assignment : WAN Technologies
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  1. Switching Password
    30m 44s
  2. SSH Configure
    28m 33s
  3. Port Security
    32m 11s
  4. Access Control List (ACL)
    16m 11s
  5. Configure Switch Port Security
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  6. Number of ACL
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  7. Name of ACL
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  8. Assignment : Infrastructure Security
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  1. Infrastructure Management
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  2. SNMP Versions
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  3. Assignment : Infrastructure Management
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  1. Basic Troubleshooting
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  2. Wiring Problems Troubleshooting
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  3. Troubleshooting IP Addressing and Host
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  4. Assignment : Basic Troubleshooting
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  1. Advanced Troubleshooting
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  2. Routing Failures & Troubleshooting
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  3. Assignment : Advanced Troubleshooting
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  1. Automation & Programmability
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  2. Wireless Security Protocols
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  3. Assignment : Automation and Programmability
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  1. Course Summary
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  1. Cisco Network Interview Questions Part 1
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  1. Career Guideline
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