Which subcommand overrides the default action to take upon a security violation?

4. (Optional) Use the switchport port-security violation {protect | restrict | shutdown} interface subcommand to override the default action to take upon a security violation (shutdown).

What is the default port security violation mode?

Switchport Violations These are described in more detail below: Shutdown – When a violation occurs in this mode, the switchport will be taken out of service and placed in the err-disabled state. The switchport will remain in this state until manually removed; this is the default switchport security violation mode.

What is the best NAC solution?

Top NAC solutions

  • Extreme Networks ExtremeControl.
  • Auconet BICS.
  • ForeScout CounterACT.
  • Pulse Policy Secure.
  • HPE Aruba ClearPass.
  • FortiNAC.
  • Cisco Identity Services Engine.
  • InfoExpress CyberGatekeeper.

What is port-based access control?

Port-based network access control regulates access to the network, guarding against transmission and reception by unidentified or unauthorized parties, and consequent network disruption, theft of service, or data loss. Data frames are transmitted and received using the MAC Service specified in IEEE Std 802.1AC.

What is CCAAgent?

The application listens for or sends data on open ports to a LAN or the Internet. CCAAgent.exe is able to monitor applications.

What is Cisco NAC?

Cisco Network Admission Control (NAC) is a set of technologies and solutions that uses the infrastructure of a computer network for network access control (NAC) and network protection. All access methods are monitored, including wireless devices, local area networks (LAN) and remote access wide area networks (WAN).

How do I check my port security violations?

Here is a useful command to check your port security configuration. Use show port-security interface to see the port security details per interface. You can see the violation mode is shutdown and that the last violation was caused by MAC address 0090.

How does Forescout CounterACT work?

CounterACT discovers and classifies devices without requiring agents. Based on its classification, CounterACT then assesses the device’s security posture and applies policies that enforce the specific behavior the device is allowed to have while connected to a network. See More.

Which action will bring an error disabled switch port back to an operational state?

Which action will bring an error-disabled switch port back to an operational state? Clear the MAC address table on the switch. Remove and reconfigure port security on the interface. Issue the switchport mode access command on the interface.

How do I give someone access to my network?

Network Administration: Granting Share Permissions

  1. Open Windows Explorer by pressing the Windows key and clicking Computer; then browse to the folder whose permissions you want to manage.
  2. Right-click the folder you want to manage and then choose Properties from the contextual menu.
  3. Click the Sharing tab; then click Advanced Sharing.
  4. Click Permissions.

Is Cisco ISE an appliance?

Cisco ISE comes preinstalled on a range of physical appliances with various performance characteristics. The Cisco Application Deployment Engine (ADE) and Cisco ISE software run on either a dedicated Cisco ISE 3300 Series appliance or on a VMware server (Cisco ISE VM).

What is port security on a switch?

Port security is a layer two traffic control feature on Cisco Catalyst switches. It enables an administrator configure individual switch ports to allow only a specified number of source MAC addresses ingressing the port.

What is a NAC solution?

Network Access Control (NAC) is a computer networking solution that uses a set of protocols to define and implement a policy that describes how to secure access to network nodes by devices when they initially attempt to access the network.

Why do we need a NAC solution?

NAC systems can play a vital role in automatically identifying devices as they connect to the network and providing access that does not potentially compromise security. For example, when a personal mobile device connects, it can be granted access only to the Internet and not to any corporate resources.

What is extreme NAC assessment agent?

Extreme Networks NAC provides agent-based or agent-less endpoint assessment capabilities to determine the security posture of connecting devices.

What are the three key activities performed by NAC nse2?

What are the three key activities performed by NAC? (Choose three.) Discover all devices on the network. Profile all devices to identify what access they should have. Provide appropriate network access to devices.

What is Forescout CounterACT?

ForeScout CounterACT® is an agentless security appliance that dynamically identifies and evaluates network endpoints and applications the instant they connect to your network.

Can ExtremeControl provide visibility and control on non extreme network devices?

ExtremeControl unifies the security of wired and wireless networks, providing visibility and control over users, devices and applications. It enables granular policy controls to help users comply with policies and compliance obligations in heterogeneous endpoint environments.

Is Eapol secure?

Digital certificates are an essential part of 802.1x authentication. Certificates are shared, checked, and verified before any device is allowed to connect to the network. A secure channel is used during the negotiations, so all credentials are safe from prying eyes.

What is Cisco NAC agent used for?

The Cisco NAC Web Agent provides temporal posture assessment for client machines. Users launch the Cisco NAC Web Agent executable, which installs the Web Agent files in a temporary directory on the client machine via ActiveX control or Java applet.