Remote-access Guide

chapter 10 configure clientless remote access ssl vpn using asdm

by Miss Edyth Graham I Published 1 year ago Updated 1 year ago
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How do I set up an ASDM SSL VPN?

Step 1: Start the VPN wizard. Step 2: Configure the SSL VPN user interface. Step 3: Configure AAA user authentication. Step 4: Configure the VPN group policy. Step 5: Configure the bookmark list (clientless connections only). Step 7: Verify the ASDM SSL VPN connection profile.

How do I set up an ASA VPN?

Step 1: Clear the previous ASA configuration settings. Step 2: Bypass Setup mode. Step 3: Configure the ASA by using the CLI script. Step 4: Access ASDM. Step 1: Start the VPN wizard. Step 2: Configure the SSL VPN user interface. Step 3: Configure AAA user authentication. Step 4: Configure the VPN group policy.

How to configure the AnyConnect VPN Wizard in ASDM?

a. On the ASDM main menu, click Wizards > VPN Wizards > AnyConnect VPN Wizard. b. Review the on-screen text and topology diagram. Click Next to continue. Step 2: Configure the SSL VPN interface connection profile.

How to configure Group Policies for clientless SSL VPN access?

These settings may be modified after the wizard has been completed by navigating to the Configuration > Remote Access VPN > Clientless SSL VPN Access > Group Policies submenu. b. Click Next to continue. Step 5: Configure the bookmark list (clientless connections only).

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How to test HTTPS access to ASA?

a. Open a browser on PC-B and test the HTTPS access to the ASA by entering https://192.168.1.1. After entering the https://192.168.1.1 URL, you should see a security warning about the website security certificate. Click Continue to this website. Click Yesfor any other security warnings.

How to continue AnyConnect deployment?

On the AnyConnect Client Deployment screen, read the text describing the options, and then click Nextto continue.

What happens if you download AnyConnect?

If the AnyConnect client must be downloaded, a security warning will display on the remote host. The ASA will detect whether ActiveX is available on the host system. In order for ActiveX to operate properly with the Cisco ASA, it is important that the security appliance is added as a trusted network site.

What command to use to save RSA keys?

d. At the privileged EXEC mode prompt, issue the write mem(or copy run start) command to save the running configuration to the startup configuration and the RSA keys to non-volatile memory.

Can PC-C ping R1?

The ASA is the focal point for the network zones, and it has not yet been configured. Therefore, there will be no connectivity between devices that are connected to it. However, PC-C should be able to ping the R1 interface G0/0. From PC-C, ping the R1 G0/0 IP address (209.165.200.225). If these pings are unsuccessful, troubleshoot the basic device configurations before continuing.

Is erase startup-configIOS supported on ASA?

Note: The erase startup-configIOS command is not supported on the ASA. b. Use the reloadcommand to restart the ASA. This causes the ASA to display in CLI Setup mode. If you see the System config has been modified. Save? [Y]es/[N]o: message, type n, and press Enter.

What is client SSL version?

Client SSL Version —Specify the minimum SSL/TLS protocol version that the ASA uses when acting as a client from the drop-down list. (DTLS not available for SSL client role)

What is the order of priority for supported ciphers?

The ASA specifies the order of priority for supported ciphers as: Ciphers supported by TLSv1.2 only then ciphers not supported by TLSv1.1 or TLSv1.2

Which ciphers are the highest priority?

ECDSA and DHE ciphers are the highest priority.

Is TLSV1.2 more secure than DTLS?

Ensure the TLS session is as secure, or more secure than the DTLS session by using an equal or higher version of TLS than DTLS. Given this, TLSV1.2 is the only acceptable TLS version when choosing DTLSV1.2; and any TLS version can be used with DTLS1 since they are all equal to or greater than DTLS 1.

Does ASA support SSLv3?

For Version 9.4 (1), all SSLv 3 keywords have been removed from the ASA configuration, and SSLv3 support has been removed from the ASA. If you have SSLv3 enabled, a boot-time error will appear from the command with the SSLv3 option. The ASA will then revert to the default use of TLSv1.

Is SSLv3 deprecated?

For Release 9.3 (2), SSLv3 has been deprecated. The default is now tlsv1 instead of any. The any keyword has been deprecated. If you choose any, sslv3, or sslv3-only, the settings are accepted with a warning. Click OK to continue. In the next major ASA release, these keywords will be removed from the ASA.

What is clientless VPN?

The clientless SSL VPN deployment model enables corporations to have the additional flexibility of providing access to corporate resources even when the remote device is not corporately managed. It lets users establish a secure, remote-access VPN tunnel to the ASA using a web browser.

How to configure network object group in ASDM?

To configure a network object or a network object group in ASDM, click Configuration > Firewall > Objects > Network Objects/Groups. This opens the Network Object/Groups page. From this window, the administrator can add, edit, or delete a network object or a network object group.

How does dynamic NAT work in ASDM?

Dynamic NAT is configured in ASDM by creating two network objects: one that identifies the range of useable public IP addresses and another that binds the inside addresses to the outside addresses.

What is static NAT?

Static NAT enables an inside server to be accessed by outside hosts. It is configured in ASDM by creating a network object binding an inside address to an outside address.

Does Cisco AnyConnect require a client?

Client-based SSL VPN requires a client, such as the Cisco AnyConnect Secure Mobility Client to be pre-installed on the host. The AnyConnect client can be manually installed on the host, or downloaded on-demand from the ASA to a host via a browser.

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