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7. (Optional) Making Internal Services Accessible from the Internet
As a business owner, you might have internal network services, such as a web or FTP server, that need to be available to an outside
user. You can place these services on a separate network behind the adaptive security appliance, called a demilitarized zone (DMZ).
The adaptive security appliance allows limited access to the DMZ and only includes public servers. An attack there does not affect the
Inside network.
The Public Servers pane displays a list of public servers, internal and external addresses, the interfaces that the internal or external
addresses apply to, and the service that is exposed.
To set up public server access:
Step 1 In the main ASDM window, choose Configuration > Firewall > Public Servers. The Public Server pane appears.
Step 2 Click Add, then enter the public server settings in the dialog box. (For information about any field, click Help in the dialog box.)
Step 3 Click OK. The server appears in the list.
Step 4 Click Apply to submit the configuration to the adaptive security appliance.
9. (Optional) Running the SSL VPN Wizard in ASDM
The SSL VPN Wizard enables you to configure an SSL VPN policy on your adaptive security appliance.
Clientless, browser-based SSL VPN lets users establish a secure, remote-access VPN tunnel to the security appliance using a web
browser. After authentication, users access a portal page and can access specific, supported internal resources. The network
administrator provides access to resources by users on a group basis. Users have no direct access to resources on the Inside network.
The Cisco AnyConnect VPN client provides secure SSL connections to the adaptive security appliance for remote users with full VPN
tunneling to corporate resources. The adaptive security appliance downloads the AnyConnect Client to remote users.
To run the IPSec VPN Wizard:
Step 1 In the main ASDM window, choose Wizards > SSL VPN Wizard.
Step 2 Select the SSL VPN connection type (Clientless, Cisco SSL, or both), and then follow the wizard instructions. (For information
about any wizard field, click Help in the window.)
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8. (Optional) Running the IPsec VPN Wizard in ASDM
The IPSec VPN Wizard helps you to configure basic site-to-site (or LAN-to-LAN) and remote access VPN connections.
To run the IPSec VPN Wizard:
Step 1 In the main ASDM window, choose Wizards > IPSec VPN Wizard.
Step 2 Click a tunnel type, Site-to-Site or Remote Access, then follow the wizard instructions. (For information about any wizard field,
click Help in the window.)
10. (Optional) Configuring the SSC in ASDM
If your adaptive security appliance came installed with a Security Services Card (SSC), you can use ASDM to set up the SSC and
configure the Intrusion Prevention System (IPS) application to run on the SSC. An SSC does not have any external interfaces.
To set up the SSC and IPS:
Step 1 In the main ASDM window, choose Configuration > Device Setup > SSC Setup. The SSC pane appears.
Step 2 Complete the SSC setup fields and click Apply. (For information about any field, click Help in the dialog box.)
Step 3 To configure the IPS module on the SSC, click the Configure the IPS SSC module link. The Startup Wizard appears. Click Launch
Startup Wizard. (Alternatively, you can choose Configure > IPS > Sensor Setup > Startup Wizard to access the wizard.)
Q
S
UICK
TART
Cisco ASA 5505 Adaptive
Security Appliance, Version 8.3
Tunnel Type and VPN Tunnel Interface
Site-to-Site
Remote Access
Remote Site Peer
Remote Access Client
(Authentication,
Tunnel group)
VPN Client
(Authentication, Tunnel group)
IKE Policy
Client Authentication
IPSec Rule
User Accounts
Hosts and Networks
(for IPSec tunnel)
Address Pool
Attributes Pushed to VPN Client
IKE Policy
IPSec Settings
(NAT exceptions)
G
UIDE