Remote-access Guide

cisco asa remote access vpn configuration example 8.4

by Alexandra Parisian Published 2 years ago Updated 1 year ago
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How to setup a Cisco VPN?

How To Setup Vpn Cisco Rv340? February 18, 2022 by Cathie. Select Settings, VPN, and then add a VPN connection. Enter the public WAN IP address provided by your ISP, select a VPN type as PPTP, and enter the user name and password in the section below. The newly created PPTP VPN network adapter must now be connected.

Can the Cisco ASA be used as a router?

The ASA is NOT a router, though and while you can do things on the ASA that can make it act something like a router it is important to understand the differences between true routing and what the ASA actually does.

How to configure port forwarding on Cisco ASA?

Port Redirection (Forwarding) with Static

  • Choose Configuration > Firewall > NAT Rules. Click Add and then choose Network Object in order to configure a static NAT rule.
  • Configure the Host for which port forwarding is required.
  • Expand NAT. ...
  • In the Source Interface and Destination Interface drop-down lists, choose the appropriate interfaces. ...
  • Click Apply for the changes to take effect.

What are the Cisco ASA failover types?

Cisco security, Security. no comment. The Cisco ASA supports two types of failover. Regular failover. Stateful failover. Regular failover. The instant a failover happens , all active connections are dropped . Clients will need to reestablish connections when the new. active device takes over.

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How do I set up AnyConnect on ASA?

Configure AnyConnect ConnectionsConfigure the ASA to Web-Deploy the Client.Enable Permanent Client Installation.Configure DTLS.Prompt Remote Users.Enable AnyConnect Client Profile Downloads.Enable AnyConnect Client Deferred Upgrade.Enable DSCP Preservation.Enable Additional AnyConnect Client Features.More items...•

How do I access my Cisco ASA remotely?

There are eight basic steps in setting up remote access for users with the Cisco ASA.Configure an Identity Certificate.Upload the SSL VPN Client Image to the ASA.Enable AnyConnect VPN Access.Create a Group Policy.Configure Access List Bypass.Create a Connection Profile and Tunnel Group.Configure NAT Exemption.More items...•

How do I enable VPN on ASA?

Set up VPN on a Cisco ASA deviceOpen ASDM.Go to Wizards VPN Wizards. IPsec (IKEv1) Remote Access VPN Wizard.Bypass the interface access lists: ... Click Next.Choose Microsoft Windows client using L2TP over IPsec and check the box for MS-CHAP-V2.Click Next.Authenticate the machine: ... Click Next.More items...

Can Cisco ASA do route based VPN?

ASA supports route-based VPN with the use of Virtual Tunnel Interfaces (VTIs) in version 9.8 and later.

How does remote access VPN Work?

A remote access VPN works by creating a virtual tunnel between an employee's device and the company's network. This tunnel goes through the public internet but the data sent back and forth through it is protected by encryption and security protocols to help keep it private and secure.

What is remote access VPN Cisco?

Remote access VPNs allow users to connect to a central site through a secure connection over a TCP/IP network such as the Internet. Remote access VPNs for IPsec IKEv2. 8.4(1) Added IPsec IKEv2 support for the AnyConnect Secure Mobility Client.

How is Cisco VPN configured?

Steps for setting up a VPNStep 1: Line up key VPN components. ... Step 2: Prep devices. ... Step 3: Download and install VPN clients. ... Step 4: Find a setup tutorial. ... Step 5: Log in to the VPN. ... Step 6: Choose VPN protocols. ... Step 7: Troubleshoot. ... Step 8: Fine-tune the connection.

How do I setup a Cisco VPN?

InstallUninstall any previous versions of Cisco AnyConnect.Install Cisco AnyConnect app from the Apple App Store or Google Play Store.Open the Cisco AnyConnect app.Select Add VPN Connection.Enter a Description, for example, CMU VPN and the Server Address vpn.cmu.edu.If prompted, allow the changes.Click Save.

How do I configure IPSec on ASA firewall?

To configure the IPSec VPN tunnel on Cisco ASA 55xx:Configure IKE. Establish a policy for the supported ISAKMP encryption, authentication Diffie-Hellman, lifetime, and key parameters. ... Create the Access Control List (ACL) ... Configure IPSec. ... Configure the Port Filter. ... Configure Network Address Translation (NAT)

What is difference between policy-based and route-based VPN?

In a policy-based VPN configuration, the action must be permit and must include a tunnel. Route-based VPNs support the exchange of dynamic routing information through VPN tunnels. You can enable an instance of a dynamic routing protocol, such as OSPF, on an st0 interface that is bound to a VPN tunnel.

What VPN types are supported by ASA?

For VPN Services, the ASA 5500 Series provides a complete remote-access VPN solution that supports numerous connectivity options, including Cisco VPN Client for IP Security (IPSec), Cisco Clientless SSL VPN, network-aware site-to-site VPN connectivity, and Cisco AnyConnect VPN client.

What is route-based VPN?

A route-based VPN is a configuration in which an IPsec VPN tunnel created between two end points is referenced by a route that determines which traffic is sent through the tunnel based on a destination IP address.

Does FTD support route based VPN?

In November 2020 Cisco released the Firepower Threat Defence (FTD) and Firepower Management Centre (FMC) version 6.7. Supported from this version is the long-awaited Virtual Tunnel Interface (VTI) for route-based site-to-site VPNs.

Does Palo Alto support policy based VPN?

Palo Alto Network firewalls do not support policy-based VPNs. The policy-based VPNs have specific security rules/policies or access-lists (source addresses, destination addresses and ports) configured for permitting the interesting traffic through IPSec tunnels.

What is FMC in Cisco?

The Cisco Secure Firewall Management Center (FMC) is your administrative nerve center for managing critical Cisco network security solutions. It provides complete and unified management over firewalls, application control, intrusion prevention, URL filtering, and advanced malware protection.

What is IKEv2 PRF?

PRF: For IKEv2, a separate pseudo-random function (PRF) used as the algorithm to derive keying material and hashing operations required for the IKEv2 tunnel encryption. The options are the same as those used for the hash algorithm; Thank you.

How many interfaces does an ASA have?

An ASA has at least two interfaces, referred to here as outside and inside. Typically, the outside interface is connected to the public Internet, while the inside interface is connected to a private network and is protected from public access.

What is the default LAN to LAN tunnel group?

There are two default tunnel groups in the ASA system: DefaultRAGroup, which is the default remote-access tunnel group, and DefaultL2Lgroup, which is the default LAN-to-LAN tunnel group. You can change them but not delete them. The ASA uses these groups to configure default tunnel parameters for remote access and LAN-to-LAN tunnel groups when there is no specific tunnel group identified during tunnel negotiation.

What is the first phase of ISAKMP?

Phase 1 creates the first tunnel to protect later ISAKMP negotiation messages. Phase 2 creates the tunnel that protects data travelling across the secure connection.

Do you need a mask for a VPN?

The address mask is optional. However, You must supply the mask value when the IP addresses assigned to VPN clients belong to a non-standard network and the data could be routed incorrectly if you use the default mask. A typical example is when the IP local pool contains 10.10.10.0/255.255.255.0 addresses, since this is a Class A network by default. This could cause routing issues when the VPN client needs to access different subnets within the 10 network over different interfaces.

How many interfaces does an ASA have?

The ASA has two interfaces: inside and outside. Imagine the outside interface is connected to the Internet where a remote user wants to connect to the ASA. On the inside we find R1, I will only use this router so the remote user has something to connect to on the inside network. Let’s look at the configuration!

What is VPN_POLICY?

The group policy is called VPN_POLICY and it’s an internal group policy which means it is created locally on the ASA. You can also specify an external group policy on a RADIUS server. I added some attributes, for example a DNS server and an idle timeout (15 minutes). Split tunneling is optional but I added it to show you how to use it, it refers to the access-list we created earlier.

Does Cisco VPN require ASA?

The remote user requires the Cisco VP N client software on his/her computer, once the connection is established the user will receive a private IP address from the ASA and has access to the network .

Can remote VPN users access certain networks?

If you want to configure an access-list so the remote VPN users can only reach certain networks , IP addresses or ports then you can apply this under the group policy.

Can you use VPN on remote network?

If you don’t want this then you can enable split tunneling. With split tunneling enabled, we will use the VPN only for access to the remote network. Here’s how to enable it:

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