Remote-access Guide

cisco remote access vpns explained

by Mable Konopelski Published 2 years ago Updated 1 year ago
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A virtual private network (VPN) extends a company's network, allowing secure remote user access through encrypted connections over the Internet. This allows VPN traffic to remain private as it travels between devices and the network.

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.

What does Cisco AnyConnect VPN do?

Cisco AnyConnect Secure Mobility Client empowers remote workers with frictionless, highly secure access to the enterprise network from any device, at any time, in any location while protecting the organization.

Is Cisco AnyConnect a remote access VPN?

Anyconnect VPN offers full network access. The remote user will use the anyconnect client to connect to the ASA and will receive an IP address from a VPN pool, allowing full access to the network. Above we have the ASA firewall with two security zones: inside and outside.

What kind of VPN is Cisco AnyConnect?

Cisco AnyConnect VPNs utilize TLS to authenticate and configure routing, then DTLS to efficiently encrypt and transport the tunneled VPN traffic, and can fall back to TLS-based transport where firewalls block UDP-based traffic.

Does Cisco AnyConnect work anywhere?

Cisco AnyConnect Secure Mobility Client empowers employees to work from anywhere on company laptops or personal mobile devices. It also provides the visibility and control security teams need to identify who and which devices are accessing their infrastructure.

Is Cisco AnyConnect VPN free?

Cisco AnyConnect is a free, easy to use, and worthwhile VPN client for Microsoft Windows computers. It's secure and doesn't require a lot of maintenance.

How do I enable Cisco AnyConnect VPN through remote Desktop?

The steps would be:Log into the ASDM.Go to Configuration, Remote Access VPN, Anyconnect Client Profile.Click Add and create a new profile and choose the Group Policy it should apply to.Click OK, and then at the Profile screen click "Apply" at the bottom (important)More items...•

Where is Cisco VPN profile stored?

Resolution:Operating SystemLocationWindows 8%ProgramData%\Cisco\Cisco AnyConnect Secure Mobility Client\ProfileWindows 10%ProgramData%\Cisco\Cisco AnyConnect Secure Mobility Client\ProfileMac OS X/opt/cisco/anyconnect/profileLinux/opt/cisco/anyconnect/profile3 more rows•Apr 27, 2022

What is Cisco AnyConnect user interface?

The Cisco AnyConnect VPN Client is a cybersecurity application designed to provide the user with anonymity while surfing the Internet. Vpnui.exe runs the user interface for the Cisco AnyConnect VPN Client. Removing this process may disable AnyConnect VPN from functioning.

What are the three types of VPNs?

The Three Main Types of VPNs VPNs can be divided into three main categories – remote access, intranet-based site-to-site, and extranet-based site-to-site. Individual users are most likely to encounter remote access VPNs, whereas big businesses often implement site-to-site VPNs for corporate purposes.

What is the difference between Cisco AnyConnect and VPN client?

Cisco AnyConnect vs Cisco VPN Client At a high level, there are two major differences between the two clients: First, the AnyConnect client supports both SSL and IPsec VPN options (including support for IKE 2.0 and NSA Suite B IPsec), while the VPN client only supports IPsec.

What are four types of VPN?

Here are five common VPN protocols and their primary benefits. PPTP. Point-to-Point Tunneling Protocol is one of the oldest VPN protocols in existence. ... L2TP/IPSec. Layer 2 Tunnel Protocol is a replacement of the PPTP VPN protocol. ... OpenVPN. ... SSTP. ... IKEv2.

How much does Cisco AnyConnect cost?

OverviewAdditional DetailsPrice:$101.00MSRP:$150.53Mfr Part #:ASA-AC-E-5515=SHI Part #:254045704 more rows

How do I use Cisco AnyConnect client?

Connect to VPNConnect to the internet.Open Cisco AnyConnect Secure Mobility Client.Enter vpn.cmu.edu and click Connect.Click the Group drop-down and choose the VPN option that best suits your needs.Enter your Andrew userID and password.Authenticate with 2fa (DUO).Click OK.

How does VPN authentication work?

A virtual private network (VPN) gives you online privacy and anonymity to secure user authentication by creating a private network from a public internet connection. VPNs mask your IP (Internet Protocol) address and establish a secure and encrypted connection to provide greater privacy than even a secure Wi-Fi spot.

What is remote access VPN?

A remote-access VPN extends almost any data, voice, or video application to a remote device, also known as an "endpoint" or a host. Advanced VPN technology allows for security checks to be conducted on endpoints to make sure that they meet a certain posture before they can connect to the network.

Why do organizations use VPNs?

Organizations use site-to-site VPNs when distance makes it impractical to have direct network connections between these sites. Establishing and maintaining site-to-site VPN connections requires dedicated equipment.

What is a VPN topology?

A VPN topology specifies the peers and networks that are part of the VPN and how they connect to one another. Here is a quick overview of the three main types of topologies: Hub-and-spoke. In this VPN topology, multiple remote devices (spokes) communicate securely with a central device (hub).

What is SSL VPN?

Secure Sockets Layer (SSL) VPN and IP security (IPsec) are tunnels and authentication technologies. Businesses can use SSL VPN, IPsec, or both to deploy a remote-access VPN, depending on deployment requirements. SSL VPN and IPsec protect data traversing the VPN from unauthorized access.

Why is SSL VPN used?

SSL VPN uses SSL protocol and its successor, Transport Layer Security (TLS), to provide a secure connection between remote users and internal network resources. Because most web browsers now have SSL/TLS, users do not typically need to install client software to use SSL VPN. That's why SSL VPN is also known as "clientless VPN" or "web VPN."

What is IPsec policy?

An IPsec policy defines the characteristics of the site-to-site VPN, such as the security protocols and algorithms used to secure traffic in an IPsec tunnel. After an organization creates a VPN topology, it can configure the IPsec policies it applies to that topology, depending on the assigned IPsec technology.

What is VPN in business?

A virtual private network (VPN) extends a company's network, allowing secure remote user access through encrypted connections over the Internet. This allows VPN traffic to remain private as it travels between devices and the network. As a VPN user browses the web, their device contacts websites through the encrypted VPN connection.

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.

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!

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:

Does VPN work without transparent tunneling?

Connections through the VPN do not work as were connecting through PAT without Transparent Tunneling

Does NATed VPN need UDP?

Connections from the VPN Client work normally. Even though the Staticly NATed VPN Client host doesnt need the UDP encapsulation it still used if your VPN Client connection profile is configured to use it (In the Transport tab of the client software) Connections from the VPN Client work normally.

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:

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, ...

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.

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