cisco asa multiple context remote access vpn

How to use AnyConnect VPN with Asa?

The remote user will open a web browser, enters the IP address of the ASA and then it will automatically download the anyconnect VPN client and establishes the connection. Here’s the topology that we will use:

What's new in remote access VPN in multiple context mode?

Remote access VPN in multiple context mode now supports flash virtualization. Each context can have a private storage space and a shared storage place based on the total flash that is available. AnyConnect client profiles are supported in multi-context devices.

Can a single Asa appear as multiple ASAS to multiple users?

This allows a single ASA to appear as multiple ASAs to multiple independent users. The ASA family has supported virtual firewalls since its initial release; however, there was no virtualization support for Remote Access in the ASA. VPN LAN2LAN (L2L) support for multi-context was added for the 9.0 release.

What SSL VPN modes does the ASA offer?

When it comes to SSL, the ASA offers two SSL VPN modes: The clientless WebVPN method does not require a VPN client to be installed on the user’s computer.

Does Cisco ASA support VPN is multi-context mode if yes then which release onwards is the feature supported?

As of 9.2(1) there is still not support for remote access VPN in multi-context mode. (ASA 9.0(1) introduced support for IPsec site-to-site VPN in multi-context mode.) Please refer to the ASA release notes page for details on new features by release.

What is Cisco ASA multiple context mode?

Cisco ASA supports multiple firewall contexts, also called firewall multimode or multi-context mode. Multi-context mode divides a single ASA into multiple virtual devices, also known as security contexts. Each context operates a single device, independently from other security contexts.

How many context can be created in ASA?

In this example, the ASA can have up to five customer contexts.

How do you switch between contexts in Asa?

Use the changeto command to change to a context, and back to system. Optionally, a different context can be assigned as the admin context. Do this with the admin-context command. This will not create a new context.

How do you upgrade ASA in multiple context?

Upgrade an Active/Standby Failover Pair.Step 2 Copy the ASA software to the active unit flash memory: ... Step 3 Copy the software to the standby unit; be sure to specify the same path as for the active unit: ... Step 4 Copy the ASDM image to the active unit flash memory:More items...

What is active active failover ASA?

The benefit of Active/Active Failover on a Cisco ASA firewall is that it allows you to use your equipment more efficiently, since the alternative is one of your devices simply sitting passively waiting for the other to fail. If you want failover in your networks, it's going to require two.

What are types of contexts in Asa?

à Security Context is a way of dividing a physical firewall into one or more logical firewalls. à This is also known simply as any of the following; Virtual Firewall, Multitenant, or Partitioning firewall appliances.

How do you create a new context in Asa?

The configuration of a security context is broken down into seven steps:Enable multiple security contexts globally.Set up the system execution space.Specify a configuration URL.Allocate the interfaces.Configure an admin context.Configure a customer context.Manage the security contexts (optional).

Does Cisco FTD support multi context?

FTD 2130 can not do a multi tenancy (multi-context). only FTD 4100 and 9300 can do this.

What is ASA clustering?

The Cluster Control Link is a port channel. This is a unique port-channel on each ASA, connecting to Nexus switches by vPC. The port-channel is not given a name, and cannot be a management interface. The documentation says to configure the port-channel with mode on.

What is context firewall?

Context-based access control (CBAC) is a feature of firewall software, which intelligently filters TCP and UDP packets based on application layer protocol session information. It can be used for intranets, extranets and internets.

What is a security context?

A secure context is a Window or Worker for which certain minimum standards of authentication and confidentiality are met. Many Web APIs and features are accessible only in a secure context.

What is ASA transparent mode?

An ASA Firewall is capable of operating at Layer 2 when running in transparent mode. This allows it to be installed into the network with minimal distruption becaue no IP addressing changes are needed on the network.

What is security context?

The security context is the user account that the system uses to enforce security when a thread attempts to access a securable object. This data includes the user security identifier (SID), group memberships, and privileges. A user establishes a security context by presenting credentials for authentication.

What is order of preference of NAT types in Cisco ASA?

If i remember correctly, the order for object nat rules is:prefer static object nat rules over dynamic object nat rules. ... prefer "more specic objects" (objects containing less ip addresses) ... prefer "objects containing the lowest ip address" ... object nat rules in "alphabetical order of object names"

What is difference between Cisco ASA and Checkpoint firewall?

Context based mode is available in Cisco ASA Firewall whereas Checkpoint Firewall has a similar offering which is known as Security Gateway Virtual Edition (VE). Cisco ASA Firewall can have only 2 gateways in an active/active Cluster. On the contrary Checkpoint Cluster XL can support up to 5 Gateways in a cluster.

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.

When would you want to use multiple security contexts?

If you want to use the active/active failover feature. Keep in mind that with active/active failover, you should not use more than half of the available bandwidth.

When should you not use multiple security contexts?

If you need to provide VPN services such as remote access or site-to-site VPN tunnels.

Firewall management

It may seem that it would be easier to manage one firewall than several firewalls. This is true once you understand that there are some major differences between single-mode and multimode firewall configurations.

Prerequisites

• Requirements
  Cisco recommends that you have knowledge of these topics: 1. ASA AnyConnect SSL Configuration 2. ASA Multiple Context Configuration

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