cisco asa 9.1 remote access vpn configuration example

by Filomena White Published 2 years ago Updated 2 years ago

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.

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 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 does Cisco remote access VPN Work?

Remote and mobile users use the Cisco AnyConnect Secure VPN client to establish VPN sessions with the adaptive security appliance. The adaptive security appliance sends web traffic to the Web Security appliance along with information identifying the user by IP address and user name.

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 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 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...

Does Cisco AnyConnect use SSL or IPsec?

Anyconnect is the replacement for the old Cisco VPN client and supports SSL and IKEv2 IPsec. When it comes to SSL, the ASA offers two SSL VPN modes: Clientless WebVPN.

How do I setup a VPN server?

Android:Tap the Settings icon.Tap Network & internet.Tap Advanced.Tap VPN.Tap Add.Enter the information including Name, Type, Server Address, Username, and Password.Tap Save.Again, tap the Settings icon.More items...•

Is Cisco AnyConnect a VPN?

Cisco AnyConnect Client helps us to make secure , safe and reliable VPN connection to our organization's private network with multiple security services to safe and protect company's data. It gives freedom to employees to get connected from anywhere anytime, thus making life easier for remote workers.

What is the difference between route-based and policy-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.

How do I configure AnyConnect on ASA 5505?

Quick guide: AnyConnect Client VPN on Cisco ASA 5505Click on Configuration at the top and then select Remote Access VPN.Click on Certificate Management and then click on Identity Certificates.Click Add and then Add a new identity certificate.Click New and enter a name for your new key pair (ex: VPN)More items...•

How do I connect to AnyConnect VPN?

ConnectOpen the Cisco AnyConnect app.Select the connection you added, then turn on or enable the VPN.Select a Group drop-down and choose the VPN option that best suits your needs.Enter your Andrew userID and password.Authenticate with 2fa (DUO).Tap Connect.

How do I use Cisco AnyConnect on Windows 10?

Cisco AnyConnect VPN Installation for Windows 10Locate and open the downloaded install package.Click Next on the “welcome” screen.Agree to the Software License Agreement and click Next.Click Install to begin installation.You must have elevated privileges to install Cisco AnyConnect Secure Mobility Client.More items...

Is AnyConnect a VPN?

What is AnyConnect VPN?

Anyconnect is the replacement for the old Cisco VPN client and supports SSL and IKEv2 IPsec. When it comes to SSL, the ASA offers two SSL VPN modes: Clientless WebVPN. AnyConnect VPN. The clientless WebVPN method does not require a VPN client to be installed on the user’s computer. You just open your web browser, ...

When remote users connect to our WebVPN, do they have to use HTTPS?

The following option is not required but useful, whenever someone accesses the ASA through HTTP then they will be redirected to HTTPS:

What happens when a VPN user terminates a session?

Normally when the remote VPN user terminates the session, the anyconnect installer will be uninstalled. The anyconnect keep-installer installed command leaves it installed on the user’s computer.

What happens when you have an inbound access list?

When you have an inbound access-list on the outside interface then all your decrypted traffic from the SSL WebVPN has to match the inbound access-list. You can either create some permit statements for the decrypted traffic or you can just tell the ASA to let this traffic bypass the access-list:

Why does my client tries to download AnyConnect?

The client tries to download the Anyconnect automatically, this is because of the anyconnect ask none default anyconnect command that we used. Since we are using a self-signed certificate you will get the following error message:

What is the IP address of AnyConnect?

You can see that we received IP address 192.168.10.100 (the first IP address from the VPN pool). Anyconnect creates an additional interface, just like the legacy Cisco VPN client does.

What is an ayconnECT_policy?

The group policy is called “ANYCONNECT_POLICY” and it’s an internal group policy which means that we configure it locally on the ASA. An external group policy could be on a RADIUS server.

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:

How to manage ASA?

To list the things you need to do to manage the ASA through the VPN connection you have to atleast do these things. Configure the VPN Client connection. Confirm that the interface IP address to which you want to connect to is included in the VPN so the users traffic to that IP gets forwarded to the VPN connection.

What is management access?

This command should not affect any existing management connection/configuration you have on the ASA already. The "management- access" command can be active only for a single interface at a time.

Can you create a VPN pool?

You can create the VPN Pool to be pretty much any subnet you want. Typically its some private IP address range. It should be something different from the LAN subnet atleast that you have behind the ASA. The ASA configured with a VPN Pool will give the VPN Client user the IP address from that pool.

Can I use SSH and ASDM to manage an ASA?

And I would like to point out that you can use both SSH and ASDM (HTTPS/SSL) to manage the ASA from the external network without using any form of VPN for this. You can connect to the external interface IP address of the ASA directly. In those cases you could simply add the "http" and "ssh" statements on the ASA to allow the management connections from specific hosts/subnets. Naturally if you dont manage the ASA externally from a specific IP address always then this might not be an option if you want to keep the ASA as secure as possible with regards to management connection options.

Can ASA use VPN?

Any ASA can be configured to use IPsec VPN Client as each unit has support for this. This however uses the older Cisco VPN Client which I guess is not really supported/updated by Cisco anymore. The current way of doing VPN Client connections would be to use the AnyConnect VPN Client.

Can you manage ASA through VPN?

But after you have configured the VPN there are still some configurations you would need to add to be able to manage the ASA through the VPN connections. These settings are not done through any Wizard on the ASDM. (Atleast to my understanding)

Can I use VPN on ASA 5545?

Yes it would be the first time i will be configuring VPN on my ASA 5545 9.1.

Overview

This is a configuration example of an AnyConnect SSL VPN on a Cisco ASA. This example uses ASA version 9.12 (3)12 and AnyConnect version 4.7.04056. You will need the AnyConnect packages for your OS on the ASA.

Configuration

Create the ip local pool to use for the SSL VPN. This is the subnet that users will get an IP address on when they connect to the SSL VPN. In this example, the users on the SSL VPN will get an IP address between 172.16.254.2 and 172.16.254.254.

Verification

In a web browser, navigate to the "group-url" that was configured for the SSL VPN. In this example, we'd navigate to https://1.1.1.1/ssl and login with the user we created. After logging in, the ASA would ask us to download the AnyConnect package for our OS. Once installed, we can login with the user we created and join the SSL VPN.