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CISCO IOS HARDENING Presented By :- Shweta Mehta Suneet Malik
Introduction ,[object Object],Internetwork Operating system Used on Cisco Routers and switches Package integrated with multitasking OS Characteristics CLI(Command Line Interface) ,[object Object],Process of securing a system by reducing vulnerabilities
Three Planes of a Network ,[object Object]
Control Plane
Data Plane
Each plane provide different functionality
MANAGEMENT PLANE
Management Plane Fortification ,[object Object]
Use strong password and secure them strongly.
Use the login password retry lockout feature.
Monitor the memory and CPU load of network devices.
Disable unneeded services ,[object Object]
Contd.. ,[object Object],Permit connections that are required for routing protocols and network management. Explicitly deny all other IP traffic to any network device. Permit all transit traffic that crosses the network and is not destined for infrastructure devices.
Contd.. ,[object Object]
Permit tcp host 192.168.1.2 eq 179 host 192.168.1.1
Permit tcp host 192.168.1.3 any eq 22
Deny ip any 192.168.1.0 0.255.255.255
Use Authentication ,Authorization and accounting (AAA).
Fortify SNMP.
Utilize logging best practices.
Utilize configuration management features of CISCO IOS Software.,[object Object]
CONTROL PLANE

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Cisco Ios Suneet

Editor's Notes

  1. Management plane is the plane that receives and send the traffic that is used to access, configure and manage a device as well as monitor its operation and network on which it is deployed .The management plane is made up of protocols that support operational need of the network .The management plane includes interactive access to network devices using secure shell(SSH) or Telnet statistics collection using SNMP.
  2. Control plane functions consist of protocols and processes Control Plane consist of Protocols.