Remote-access Guide

clientless vpn solution to handle 3000 remote access connections

by Prof. Gerson Daugherty Published 2 years ago Updated 2 years ago

How do I configure a clientless SSL VPN?

Under General Options change the Tunelling Protocols value to "Clientless SSL VPN". Configure the Connection Profile. In ASDM, choose Configuration > Remote Access VPN > Clientless SSL VPN Access > Connection Profiles.

How do plug-ins affect the clientless SSL VPN portal page?

Table 1. Effects of Plug-ins on the Clientless SSL VPN Portal Page When the user in a Clientless SSL VPN session clicks the associated menu option on the portal page, the portal page displays a window to the interface and displays a help pane.

How many port forwarding lists does clientless SSL VPN support?

The Clientless SSL VPN configuration of each ASA supports port forwarding lists, each of which specifies local and remote ports used by the applications for which to provide access. Because each group policy or username supports only one port forwarding list, you must group each set of ca supported into a list.

How does the ASA work with clientless SSL?

The ASA uses a master browser, WINS server, or DNS server, typically on the same network as the ASA or reachable from that network, to query the network for a list of servers when the remote user clicks Browse Networks in the menu of the portal page or on the toolbar displayed during the Clientless SSL VPN session.

What is a clientless VPN?

A clientless SSL VPN is a browser-based VPN that allows a remote user to securely access the corporate resources. They access the resources from any location using HTTP over an SSL connection. Once they authenticate, they'll see a portal page where they can access specific, predefined internal resources.

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.

How do I configure AnyConnect ASA?

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...•

What type 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.

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.

Does Cisco AnyConnect route all traffic?

With AnyConnect, the client passes traffic to all sites specified in the split tunneling policy you configured, and to all sites that fall within the same subnet as the IP address assigned by the ASA. For example, if the IP address assigned by the ASA is 10.1.

How does Cisco AnyConnect 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.

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...

How does Cisco AnyConnect 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.

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.

How do I use Cisco AnyConnect?

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.

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 is clientless SSL VPN?

Clientless SSL VPN serves remote users with HTTPS portal pages that interface with proxy CIFS and/or FTP clients running on the ASA. Using either CIFS or FTP, Clientless SSL VPN provides users with network access to the files on the network, to the extent that the users meet user authentication requirements and the file properties do not restrict access. The CIFS and FTP clients are transparent; the portal pages delivered by Clientless SSL VPN provide the appearance of direct access to the file systems.

What is ASA trustpool?

The ASA groups trusted certificates into trustpools. Trustpools can be thought of as a special case of Trustpoint representing multiple known CA certificates. The ASA includes a default bundle of certificates, similar to the bundle of certificates provided with web browsers. Those certificates are inactive until activated by the administrator by issuing the crypto ca import default command.

What port does ASA use?

From version 8.0 (2), the ASA supports both Clientless SSL VPN sessions and ASDM administrative sessions simultaneously on port 443 of the outside interface. You can configure these applications on different interfaces.

Does Remote Desktop Protocol support load balancing?

The remote desktop protocol plug-in does not support load balancing with a session broker. Because of the way the protocol handles the redirect from the session broker, the connection fails. If a session broker is not used, the plug-in works.

What is VPN solution?

What are Virtual Private Network (VPN) Solutions? A virtual private network (VPN) is a service that securely connects an end user directly to a remote private network and its assets. The VPN hides the end user's IP address providing anonymity and privacy.

How to compare VPNs?

When comparing different virtual private networks, consider these factors: 1 Reliability: Consider how reliable each VPN is, especially at scale. For example, will the VPN impact your traffic or connectivity? VPNs, if not properly deployed/managed, can interfere with permissions set in other systems. Some may also restrict bandwidth or throttle traffic speeds given the lagtime to encrypt/decrypt traffic within a VPN and resourcing to send data across the network itself. 2 Data Privacy: Some vendors retain the right to sell user data to third parties. For sensitive or personal data transmission, ensure that each vendor does not sell users’ data.

What is VPN software?

Virtual Private Network software’s core definition is a service that provides an encrypted tunnel between a main network and an “end user.” There are a variety of VPN setups and protocols, VPNs most commonly work in one of two ways:

How much does a VPN cost?

Standalone pricing is usually per device per month, with a floor around $5-10 per device.

Why is VPN important?

The main benefit to organizations is the ability to securely send data from endpoint to endpoint since the encrypted data can only be decrypted by the recipient on the VPN.

What is site to site VPN?

Site-to-Site VPN- also referred to as “branch office VPN”, this encrypted connection is between a main corporate network or headquarters and remote branch office networks. The VPN tunnel is established between two VPN network devices, such as VPN routers. This setup is most relevant for organizations that need to securely connect entire office ...

What is secure remote connection?

Secure remote connections to, or transfers of, data, communications, etc, such as remote workers using sensitive company data

Remote Access VPN Products

Remote access is integrated into every Check Point network firewall. Configure client-to-site VPN or set up an SSL VPN Portal to connect from any browser.

What is Remote Access VPN?

Remote Access VPN ensures that the connections between corporate networks and remote and mobile devices are secure and can be accessed virtually anywhere users are located. A secure remote access solution promotes collaboration by connecting global virtual teams at headquarters, branch offices, remote locations, or mobile users on the go.

Technical Resources

The place to discuss all of Check Point’s Remote Access VPN solutions, including Mobile Access Software Blade, Endpoint Remote Access VPN, SNX, Capsule Connect, and more!

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What is SSTP in VPN?

SSTP is a Microsoft proprietary SSL-based solution that can penetrate firewalls since most firewalls open the outbound TCP port that 443 SSL uses. OpenVPN. OpenVPN is a SSL-based solution that can penetrate firewalls since most firewalls open the outbound TCP port that 443 SSL uses. IKEv2 VPN.

Can a syslog be routed over a site to site connection?

No. It can only be routed over a Site-to-Site connection.

Does Radius support OpenVPN?

RADIUS authentication is supported for the OpenVPN protocol only through PowerShell.

Does Azure support P2S VPN?

Azure supports Windows, Mac, and Linux for P2S VPN.

Does VPN reestablish automatically?

By default, the client computer will not reestablish the VPN connection automatically.

Do you need a VPN for a resource manager?

Yes. For the Resource Manager deployment model , you must have a RouteBased VPN type for your gateway. For the classic deployment model, you need a dynamic gateway. We do not support Point-to-Site for static routing VPN gateways or PolicyBased VPN gateways.

Can a point to site client connect to a VNet?

Yes, Point-to-Site client connections to a virtual network gateway that is deployed in a VNet which is peered with other VNets may have access to other peered VNets. Point-to-Site clients will be able to connect to peered VNets as long as the peered VNets are using the UseRemoteGateway / AllowGatewayTransit features.

Introduction

Prerequisites

  • Requirements
    Ensure that you meet these requirements before you attempt this configuration: 1. SSL-enabled browser 2. ASA with Version 7.1 or higher 3. X.509 certificate issued to the ASA domain name 4. TCP port 443, which must not be blocked along the path from the client to the ASA The full list o…
  • Components Used
    The information in this document is based on these software and hardware versions: 1. ASA Version 9.4(1) 2. Adaptive Security Device Manager (ASDM) Version 7.4(2) 3. ASA 5515-X The information in this document was created from the devices in a specific lab environment. All th…
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Configure

  • This article describes the configuration process for both the ASDM and the CLI. You can choose to follow either of the tools in order to configure the WebVPN, but some of the configuration steps can only be achieved with the ASDM. Note: Use the Command Lookup Tool (registeredcustomers only) to obtain more information about the commands used in this section.
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Verify

  • Once the WebVPN has been configured, use the address https://<FQDN of the ASA> in the browser. After logging in you should be able to see the address bar used to navigate to websites and the bookmarks.
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Troubleshoot

  • Procedures Used to Troubleshoot
    Follow these instructions in order to troubleshoot your configuration. In ASDM, choose Monitoring > Logging > Real-time Log Viewer > View. When a client connects to the ASA, note the establishment of TLS session, selection of group policy, and successful authentication of the us…
  • Commands Used to Troubleshoot
    The Output Interpreter Tool (registered customers only) (OIT) supports certain show commands. Use the OIT to view an analysis of showcommand output. Note: Refer to Important Information on Debug Commands before you use debugcommands.
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Common Problems

  • User Cannot Log In
    Problem The message "Clientless (browser) SSL VPN access is not allowed." appears in the browser after an unsuccessful login attempt. The AnyConnect Premium license is not installed on the ASA or it is not in use as shown by "Premium AnyConnect license is not enabled on the ASA.…
  • Unable to Connect More Than Three WebVPN Users to the ASA
    Problem Only three WebVPN clients can connect to the ASA. The connection for the fourth client fails. Solution In most cases, this issue is related to a simultaneous login setting within the group policy. Use this illustration in order to configure the desired number of simultaneous logins. In th…
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Related Information

What Are Virtual Private Network (Vpn) Solutions?

Image
A virtual private network (VPN) is a service that securely connects an end user directly to a remote private network and its assets. The VPN hides the end user's IP address providing anonymity and privacy. Additionally, VPN connections are secured via encryption, preventing eavesdropping. Virtual private networks provid…
See more on trustradius.com

Types of Virtual Private Networks

  • Virtual Private Network software’s core definition is a service that provides an encrypted tunnel between a main network and an “end user.” There are a variety of VPN setups and protocols, VPNs most commonly work in one of two ways: 1. Remote Access VPN- a remote access VPN is an encrypted tunnel between an individual using a device, such as a laptop, smartphone, or work…
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Free VPNs

  • There are a number of theoretically “free” VPN products available. These are usually targeted towards small scale or personal use. However, these VPNs are able to sell the data that users send over the VPN. Free options will also offer less reliability and bandwidth, and they will likely have fewer global server options. B2B users, especially businesses with more than a few employ…
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Vpn Comparison

  • When comparing different virtual private networks, consider these factors: 1. Reliability:Consider how reliable each VPN is, especially at scale. For example, will the VPN impact your traffic or connectivity? VPNs, if not properly deployed/managed, can interfere with permissions set in other systems. Some may also restrict bandwidth or throttle traffic speeds given the lagtime to encryp…
See more on trustradius.com

Pricing Information

  • VPN pricing can vary depending on whether vendors offer it as a standalone product or part of a broader security package, like a firewall product. Standalone pricing is usually per device per month, with a floor around $5-10 per device. There are some free virtual private network products available for very small businesses. However, free VPNs are primarily designed for individual us…
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