Who can use the Cisco IOS SSL VPN?
In addition, enterprises with a large number of small or medium-sized branches can use the Cisco IOS SSL VPN to combine remote access gateway capabilities with branch routers, thereby providing load-distribution functionality and redundancy to central-site VPN gateways. Figure 2 illustrates an application example for Cisco IOS SSL VPN. Figure 2.
What is SSL VPN and how secure is it?
SSL VPN is compelling; the security is transparent to the end user and easy for IT to administer. With Cisco IOS SSL VPN, end users gain access securely from home or any Internet-enabled location such as wireless hotspots.
What is a remote access VPN?
Remote Access VPN. Remote Access virtual private network (VPN) allows individual users to connect to your network from a remote location using a computer or other supported iOS or Android device connected to the Internet.
What is the Cisco AnyConnect VPN client?
With the Cisco AnyConnect VPN Client (Table 1), Cisco delivers a lightweight, centrally configured, easy-to-support SSL VPN tunneling client that allows access to virtually any application.
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What is SSL VPN remote access?
A secure sockets layer VPN (SSL VPN) enables individual users to access an organization's network, client-server applications, and internal network utilities and directories without the need for specialized software.
Is Cisco AnyConnect an SSL VPN?
Cisco SSL AnyConnect VPN is a real trend these days – it allows remote users to access enterprise networks from anywhere on the Internet through an SSL VPN gateway using a web browser. During the establishment of the SSL VPN with the gateway, the client downloads and installs the AnyConnect VPN client from VPN gateway.
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 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 is SSL VPN Cisco?
“Cisco” is the brand name of the VPN appliance (hardware). The “SSL VPN” stands for Secure Sockets Layer Virtual Private Network. SSL VPN is a service that allows the user to connect securely to the internet via AnyConnect, Web Applications, Telnet/SSH server, Virtual Network Computing (VNC), and Terminal Servers.
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 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 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...•
How much does Cisco VPN cost?
OverviewAdditional DetailsPrice:$101.00MSRP:$150.53Mfr Part #:ASA-AC-E-5515=SHI Part #:254045704 more rows
How do I connect Cisco VPN to my laptop?
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 setup a VPN on my Cisco router?
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 add Cisco SSL VPN Relay extension to Chrome?
Installing the VPN Client (Only do once) Step 1) Click the “Launcher” icon on the Google Chromebook desktop. Step 2) Locate, then open the “Web Store.” Step 3) Using the search bar, search for Cisco AnyConnect. Step 4) Click the Add to Chrome button to install the Cisco AnyConnect client on your Chromebook.
How do I use 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.Tap Connect.
How do I get Cisco AnyConnect secure mobility client?
Open a web browser and navigate to the Cisco Software Downloads webpage.In the search bar, start typing 'Anyconnect' and the options will appear. ... Download the Cisco AnyConnect VPN Client. ... Double-click the installer.Click Continue.Go over the Supplemental End User License Agreement and then click Continue.More items...
What is Cisco ASA WebVPN?
Previous page. WebVPN is an evolving method to establish remote-access VPN tunnels without having to install the Cisco VPN Client. A VPN user establishes the secure connection to the Cisco ASA by using a web browser such as Internet Explorer, Netscape, or FireFox.
What is SSL VPN?
SSL VPN allows users from any Internet-enabled location to launch a web browser to establish remote-access VPN connections, thus promising productivity enhancements and improved availability, as well as further IT cost reduction for VPN client software and support. Additional VPN background information is widely available.
What is VPN security?
VPN security is only as strong as the methods used to authenticate the users (and the devices) at the remote end of the VPN connection.
Does SSL VPN require additional software?
If application access requirements are modest, SSL VPN does not require additional client software to be installed on the endpoint device. For broader application access, a dynamically downloadable tunneling client is typically delivered when needed to the client machine to support such full SSL VPN capabilities.
Is SSL VPN blocked?
In most environments, outbound Secure HTTP (HTTPS) traffic, which is also based on SSL, is not blocked. This means that even if a particular local environment does not permit outbound IPSec VPN sessions (such restriction is not unusual), SSL VPN is likely free of such restriction.
Is SSL VPN clientless?
As a result, SSL VPN is also known as “clientless VPN” or “ Web VPN.”. Another SSL VPN advantage over IPSec VPN is its ease of use for end users. Different IPSec VPN vendors may have different implementation and configuration requirements. SSL VPN, on the other hand, requires only a modern web browser.
Why is virtual private network important?
There are many reasons for such overwhelming adoption and business success; two major factors are total ownership cost savings and productivity enhancements. The total ownership cost can be considered as the initial deployment cost plus the cost of user training, support, and facility maintenance over time. Productivity enhancements can be measured in terms of tool effectiveness, user time savings, usability improvements, and user satisfaction.
Does SSL VPN require strong user authentication?
SSL VPN deployment and users of SSL VPN should comply with the remote access and VPN security policies in your organization. Strong user authentication is a top priority; several choices are available to achieve this purpose.
What is remote access VPN?
In remote access VPN, you might want users on the remote networks to access the Internet through your device. However, because the remote users are entering your device on the same interface that faces the Internet (the outside interface), you need to bounce Internet traffic right back out of the outside interface. This technique is sometimes called hair pinning.
How to complete a VPN connection?
To complete a VPN connection, your users must install the AnyConnect client software. You can use your existing software distribution methods to install the software directly. Or, you can have users install the AnyConnect client directly from the Firepower Threat Defense device.
How to view VPN configuration?
Click Device, then click View Configuration in the Site-to-Site VPN group.
How to use a VPN on a computer?
Step 1. Using a web browser, open https://ravpn-address , where ravpn-address is the IP address or hostname of the outside interface on which you are allowing VPN connections. You identify this interface when you configure the remote access VPN. The system prompts the user to log in. Step 2.
What is AnyConnect client profile?
AnyConnect client profiles are downloaded to clients along with the AnyConnect client software. These profiles define many client-related options, such as auto connect on startup and auto reconnect, and whether the end user is allowed to change the option from the AnyConnect client preferences and advanced settings.
How long is a VPN idle?
Idle Timeout —The length of time, in minutes, that the VPN connection can be idle before it is automatically closed, from 1-35791394. The default is 30 minutes. Browser Proxy During VPN Sessions —Whether proxies are used during a VPN session for Internet Explorer web browsers on Windows client devices.
Where does remote access VPN problem originate?
Remote access VPN connection issues can originate in the client or in the Firepower Threat Defense device configuration. The following topics cover the main troubleshooting problems you might encounter.
What is Cisco Secure Endpoint?
Cisco Secure Endpoint New packages fit for every organization Every Cisco Secure Endpoint (formerly AMP for Endpoints) package comes with Cisco SecureX built-in. It’s our cloud-native platform that integrates all your security solutions into one view wit... view more
How to browse to FQDN?
browse to the FQDN via https (or enter the device FQDN directly in AnyConnect VPN tile user interface)
Can I use a certificate on a VPN?
Yes, you are right. This process worked great for user certificate authentication. I enabled both AAA and certificate authentication on the FTD and was able to connect to the VPN after downloading a user certificate from my lab MS CA server.
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 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, ...
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.
Introduction
Advantages of SSL Vpn
- SSL VPN has some unique features when compared with other existing VPN technologies. Most noticeably, SSL VPN uses SSL protocol and its successor, Transport Layer Security (TLS), to provide a secure connection between remote users and internal network resources. Today, this SSL/TLS function exists ubiquitously in modern web browsers. Unlike traditi...
Security Risks
- While providing significant business benefits and cost savings, VPN technologies (SSL VPN included) come with their own security issues. These issues must be dealt with appropriately to ensure the confidentiality and integrity of data and information, as well as overall corporate network security. The following discussion first addresses the general security risks associated …
General Security Risks
- User-credential-related risks VPNs provide easy access from the Internet into a corporate network and its internal resources. VPN security is only as strong as the methods used to authenticate the users (and the devices) at the remote end of the VPN connection. Simple authentication methods based on static passwords are subject to password “cracking” attacks, eavesdropping, or even s…
SSL Vpn Risks
- Security risks more specific to SSL VPN are discussed below. Many of these risks are related to the fact that SSL VPN can be used on public machines. Lack of required host security software on public machines SSL VPN makes it easy and convenient to connect from anywhere on the Internet to a corporate internal network. However, public machines used for SSL VPN may not have the r…
Risk Mitigation
- While many vendors and products are available in the market today, they may not all provide sufficient risk mitigation mechanisms and capabilities. A thorough planning and comparison process can help you identify what is most appropriate and effective to protect your organization. Below is a detailed analysis of the security measures that should be applied when implementin…
Conclusion
- SSL VPN promises to provide more productivity enhancements, improved availability, and further IT cost savings. SSL VPN security offers yet additional information security challenges. Successful SSL VPN deployment and operations involve managing security risks while supporting business needs. The security risk analysis and risk mitigation mechanisms discussed in this pa…
Acknowledgements
- The author Steven Song is a Security Architect for Corporate Security Programs Organization at Cisco Systems Inc. and specializes in network security.
References
- Transport Layer Security (TLS): http://www.faqs.org/rfcs/rfc2246.html Trusted Platform Module (TPM): https://www.trustedcomputinggroup.org/downloads/specifications/tpm/tpm Security problems fixed in SSL version 3: http://www.eucybervote.org/Reports/MSI-WP2-D7V1-V1.0-02.htm This document is part of the Cisco Security portal. Cisco provides the official information contai…