Remote-access Guide

cisco asa 9.1 remote access vpn

by Prof. Aisha Doyle II Published 2 years ago Updated 1 year ago
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How many sessions of IPsec remote access VPN can I use?

IPsec remote access VPN using IKEv2 (use one of the following): Base license and Security Plus license: 2 sessions. Optional permanent or time-based licenses: 10 or 25 sessions. : 25 sessions. IPsec remote access VPN using IKEv1 and IPsec site-to-site VPN using IKEv1 or IKEv2: – Base license: 10 sessions. – Security Plus license: 25 sessions.

Why is my Cisco VPN client failing to authenticate a peer?

If a Cisco VPN Client with a different preshared key size tries to connect, the client logs an error message indicating it failed to authenticate the peer. Note Configure AAA authentication for IKEv2 using certificates in the tunnel group webvpn-attributes.

Is IPSec VPN supported in multiple context mode?

Supported only in single context mode. Does not support multiple context mode. Supported only in routed firewall mode. Transparent mode is not supported. IPsec VPN sessions are replicated in Active/Standby failover configurations only.

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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...•

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.

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.

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 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 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 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.

How do I setup remote access to VPN?

Configure Remote Access as a VPN ServerOn the VPN server, in Server Manager, select the Notifications flag.In the Tasks menu, select Open the Getting Started Wizard. ... Select Deploy VPN only. ... Right-click the VPN server, then select Configure and Enable Routing and Remote Access.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...•

What are the four types of VPN?

Virtual Private Network (VPN) services fall into four main types: personal VPNs, remote access VPNs, mobile VPNs, and site-to-site VPNs....How Personal VPNs WorkInstall software from your VPN service provider onto your device. ... Connect to a server in your VPN provider's network.More items...•

What are 3 types of VPN tunnels?

We'll look at three of the most common: IPsec tunnels, Dynamic multi point VPNs, and MPLS-based L3VPNs.IPsec Tunnels. In principle, a network-based VPN tunnel is no different from a client-based IPsec tunnel. ... Dynamic Multi point VPN (DMVPN) ... MPLS-based L3VPN.

What are the two types of VPN connections?

Types of VPNsSite-to-Site VPN: A site-to-site VPN is designed to securely connect two geographically-distributed sites. ... Remote Access VPN: A remote access VPN is designed to link remote users securely to a corporate network.More items...

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.

Is IPv6 supported for SSL?

Assigning an IPv6 address to the client is supported for the SSL protocol. This feature is not supported for the IKEv2/IPsec protocol.

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.

Can ASA assign IPv4 and IPv6?

You can configure the ASA to assign an IPv4 address, an IPv6 address, or both an IPv4 and an IPv6 address to an AnyConnect client by creating internal pools of addresses on the ASA or by assigning a dedicated address to a local user on the ASA.

Requiring Usernames and Passwords

Depending on your network, during a remote session users may have to log on to any or all of the following: the computer itself, an Internet service provider, Clientless SSL VPN, mail or file servers, or corporate applications.

Communicating Security Tips

Advise users always to log out from the session. To log out of Clientless SSL VPN, click the logout icon on the Clientless SSL VPN toolbar or close the browser.

Configuring Remote Systems to Use Clientless SSL VPN Features

Table 18-2 includes the following information about setting up remote systems to use Clientless SSL VPN:

Capturing Clientless SSL VPN Data

The CLI capture command lets you log information about websites that do not display properly over a Clientless SSL VPN connection. This data can help your Cisco customer support engineer troubleshoot problems. The following sections describe how to use the capture command:

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