Cisco ISA550 Administration Manual

Text of Cisco ISA550 User Guide:

• Cisco ISA550, Configuration Wizards Using the Setup Wizard for the Initial Configuration Cisco ISA500 Series Integrated Security Appliances Administration Guide 44 2 - DHCP Server: Allows the security appliance to act as a DHCP server and assigns IP addresses to all devices that are connected to the LAN. Any new DHCP client joining the LAN is assigned an IP address of the DHCP pool. - DHCP Relay: Allows the security appliance to use a DHCP Relay. If you choose DHCP Relay, enter the IP address of the remote DHCP server in the Relay IP field. STEP 27

• User Management Configuring User Authentication Settings Cisco ISA500 Series Integrated Security Appliances Administration Guide 350 9 • User Tree for Login to Server: If you choose Give Login Name or Location in Tree as the login method in the Settings tab, specify the user tree that is used to log into the LDAP server. • Trees Containing Users: Specify the user trees in the

• Cisco ISA550, VPN Configuring a Site-to-Site VPN Cisco ISA500 Series Integrated Security Appliances Administration Guide 297 8 Figure 4 Networking Example that Simulates Two Merging Companies with the Same IP Addressing Scheme In this example, when the host 172.16.1.2 at Site A accesses the same IP-addressed host at Site B, it connects to a 172.19.1.2 address rather than to the actual 172.16.1.2 address. When the host at Site B to access Site A, it connects to a 172.18.1.2 address. NAT on Router A translates any 172.16.x.x address to look like the matching 172.18.x.x host entry. NAT on the ISA500 changes 172.16.x.x to look

• Cisco ISA550, Networking Configuring Quality of Service Cisco ISA500 Series Integrated Security Appliances Administration Guide 156 4 Configuring WAN Queue Settings Use the Queue Settings page to determine how traffic in queues is handled for each WAN port. The security appliance supports six queues for the WAN ports, Q1 to Q6. There are three ways of determining how traffic in queues is handled: STEP 1 Click Networking > QoS > WAN QoS > Queue Settings. STEP 2 Specify the way of determining how traffic in queues is handle

• Cisco ISA550, Status Network Status <edit TITLE> 96 3 Port Role The role assigned to this port • Root port: The port with the lowest path cost to the root bridge. • Designated port: The port with the lowest path cost on a LAN segment. The LAN segment will use the designated port to reach the root bridge. • Blocked port: The port that is neither a root port nor a designated port. Path Cost The cost of the path to root bridge through this port. Priority Priority of the port. Port State The state of the port: • Disabled: This port is disabled. It will not transmit or receive any traffic. • Blocking: This port is enabled but blocked by STP. It will

• Wireless (for ISA550W and ISA570W only) Configuring SSID Profiles Cisco ISA500 Series Integrated Security Appliances Administration Guide 190 5 • Key Renewal Timeout: Enter a value to set the interval at which the key is refreshed for clients associated to this SSID. The valid range is 0 to 4194303 seconds. A value of zero (0) indicates that the key is not refreshed. The

• Cisco ISA550, Firewall Configuring Content Filtering to Control Internet Access Cisco ISA500 Series Integrated Security Appliances Administration Guide 233 6 Configuring Content Filtering to Control Internet Access Content Filtering blocks or allows HTTP access to websites containing specific keywords or domains. It controls access to certain Internet sites based on analysis of its content (domain or URL keyword), rather than its source or other criteria. It is most widely used on the Internet to filter web access. Refer to the following topics: • Configuring Content Filtering P

• Cisco ISA550, Getting Started Getting Started with the Configuration Utility Cisco ISA500 Series Integrated Security Appliances Administration Guide 25 1 Getting Started with the Configuration Utility The ISA500 Series Configuration Utility is a web-based device manager that is used to provision the security appliance. To use this utility, you must be able to connect to the security appliance from a PC or laptop. You can access the Configuration Utility by using the following web browsers: • Microsoft Internet Explorer 8 and 9 • Mozilla Firefox 3.6.x, 5, and 6 NOTE The minimum recommended display resolution for the PC running the Web browser used to access

• Configuration Wizards Using the Site-to-Site VPN Wizard to Configure Site-to-Site VPN Cisco ISA500 Series Integrated Security Appliances Administration Guide 67 2 Starting the Site-to-Site VPN Wizard STEP 1 Click Configuration Wizards > Site-to-Site VPN Wizard. STEP 2 Click Next. Configuring VPN Peer Settings STEP 3 Use the VPN Peer Settings page to configure an IPsec VPN policy for

• Cisco ISA550, Firewall Configuring NAT Rules to Securely Access a Remote Network Cisco ISA500 Series Integrated Security Appliances Administration Guide 218 6 STEP 5 Click Save to apply your settings. Configuring Port Forwarding Rules Port forwarding forwards a TCP/IP packet traversing a Network Address Translation (NAT) gateway to a pre-determined network port on a host within a NAT-masqueraded network, typically private network based on the port number on which it was received at the gateway from the originating host. Use the Port Forwarding page to assign a port number to a service that is associated with the application

• Cisco ISA550, Getting Started Performing Basic Configuration Tasks Cisco ISA500 Series Integrated Security Appliances Administration Guide 32 1 green. Release the button and wait for the unit to reboot. The POWER/SYS light will flash green when the system is rebooting. • Or launch the Configuration Utility and login. Click Device Management > Reboot/Reset in the left hand navigation pane. In the Reset Device area, click Reset to Factory Defaults. After a restore to factory defaults, the following settings apply: Performing Basic Configuration

• Cisco ISA550, Security Services Configuring Application Control Cisco ISA500 Series Integrated Security Appliances Administration Guide 265 7 • Logging: Choose Enable to log the event when an application is blocked, or choose Disable to disable the logging feature. If the logging settings vary among the applications in a category, you must first choose the keep application-level settings option, and then configure the logging settings for each application in the category. See Permitting or Blocking Traffic for an Application, page 265. To log application blocking events, you must enable the logging se

• Cisco ISA550, Networking Service Management Cisco ISA500 Series Integrated Security Appliances Administration Guide 176 4 Other options: To edit an entry, click the Edit (pencil) icon. To delete an entry, click the Delete (x) icon. To delete multiple entries, check them and click Delete. The default services cannot be deleted. Only the port range for the default services can be modified. The Service Object - Add/Edit window opens. STEP 3 Enter the following information: • Name: Enter the name for the service. • Protocol: Specify the protocol and port range

• Cisco ISA550, Configuration Wizards Using the Remote Access VPN Wizard Cisco ISA500 Series Integrated Security Appliances Administration Guide 56 2 NOTE: You must have valid CA certificates imported on your security appliance before you use the digital certificates to authenticate. Go to the Device Management > Certificate Management page to import the CA certificates. See Managing Certificates for Authentication, page 368. STEP 5 After you are finished, click Next. Configuring WAN Settings STEP 6 Use the WAN

• Cisco ISA550, Device Management Administration Cisco ISA500 Series Integrated Security Appliances Administration Guide 364 10 NOTE: If a global email address for receiving all alert emails is configured in the To Email Address field, it will be displayed in the Send to Email Address field for all categories. STEP 5 Click Save to apply your settings. IPS Alert Sends an alert email every 30 minutes to the specified email address if an attack is detected by the IPS service or if an application is blocked by the Application Control service. • Send to Email Address: Enter the email address to receive the alert emails. To enable the IPS Alert feature, you must complete

• Networking Configuring DMZ Cisco ISA500 Series Integrated Security Appliances Administration Guide 140 4 Configuring DMZ Use the Networking > DMZ page to configure a Demarcation Zone or Demilitarized Zone (DMZ). A DMZ is a sub-network that is behind the firewall but that is open to the public. By placing your public services on a DMZ, you can add an additional layer

• Cisco ISA550, Device Management Managing Security License Cisco ISA500 Series Integrated Security Appliances Administration Guide 391 10 and configure the email server settings. See Configuring Email Alert Settings, page 358. Installing or Renewing Security License This section describes how to install the security license or renew the security license before it expires. A valid security license is required to activate security services and to support SSLVPN with mobile devices such as smart phones and tablets. NOTE You can also validate the security license by using the Setup Wizard. See Validating Security License, page 39. STEP 1 Contact your Cisco reseller to purch

• Cisco ISA550, VPN Configuring a Site-to-Site VPN Cisco ISA500 Series Integrated Security Appliances Administration Guide 294 8 • Authentication Method: Choose one of the following authentication methods: - Pre-shared Key: Uses a simple, password-based key to authenticate. If you choose this option, enter the desired value that the peer device must provide to establish a connection in the Key field. The pre-shared key must be entered exactly the same here and on the remote peer. - Certificate: Uses the digital certificate from a third party Certificate Authority (CA) to authenticate. If you choose this option, select a CA certificate

• Cisco ISA550, Status Network Status <edit TITLE> 94 3 ARP Table Address Resolution Protocol (ARP) is a computer-networking protocol that determines a network host’s Link Layer or hardware address when only the Internet Layer (IP) or Network Layer address is known. Use the ARP Table page to view information for all ARP entries. This page is automatically updated every 10 seconds. Click Refresh to manually refresh the data. ARP Table DHCP Bindings Use the DHCP Bindings page to view information for DHCP address assignment. This page is automatically updated every 10 seconds. Click Refresh to manually refresh the data. DHCP

• Cisco ISA550, Status Network Status <edit TITLE> 87 3 Network Status Use the Network Status pages to view information for the various interfaces, the network usage reports, the WAN bandwidth reports, all ARP (Address Resolution Protocol) entries, and DHCP address assignment. Refer to the following topics: • Status Summary, page 87 • Traffic Statistics, page 90 • Usage Reports, page 91 • WAN Bandwidth Reports, page 93 • ARP Table, page 94 • DHCP Bindings, page 94 • STP Status, page 95 • CDP Neighbor, page 97 Status Summary Use the Status Summary page to view i

• Cisco ISA550, 10 Cisco ISA500 Series Integrated Security Appliances Administration Guide 353 Device Management This chapter describes how to maintain the configuration and firmware, reboot or reset the security appliance, manage the security license and digital certificates, and configure other features to help maintain the security appliance. It includes the following sections: • Viewing System Status, page 354 • Administration, page 355 • Backing Up and Restoring a Configuration, page 366 • Managing Certificates for Authentication, page 368 • Configuring Cisco Services and Support Settings, page 374 • Backing Up and Restoring a Configuration, page 366 •

• Cisco ISA550, Device Management Firmware Management Cisco ISA500 Series Integrated Security Appliances Administration Guide 385 10 Viewing Firmware Information STEP 1 Click Device Management > Firmware. The Firmware window opens. STEP 2 In the Firmware Version area, the following firmware information is displayed: • Primary Firmware Version: The version of the primary firmware that you are using. • Secondary Firmware Version: The version of the secondary firmware that you used previously. Using t

• Factory Default Settings Networking Cisco ISA500 Series Integrated Security Appliances Administration Guide 415 C Maximum number of Policy-Based Routing rules 100 WAN QoS Disable Maximum number of traffic selectors 256 Maximum number of WAN QoS policy profiles 32 Maximum number of traffic selectors associated with one WAN QoS policy profile 64 LAN QOS Disable WLAN QoS Disable Servi

• Cisco ISA550, Networking Configuring IGMP Cisco ISA500 Series Integrated Security Appliances Administration Guide 170 4 STEP 3 Click Save to apply your settings. Mapping CoS to Wireless Queue STEP 1 Click Networking > QoS > Wireless QoS > Mapping CoS to Queue. STEP 2 Choose the traffic forwarding queue to which the CoS priority tag value is mapped. STEP 3 Click Save to apply your settings. Mapping DSCP to Wireless Queue STEP 1 Click Networking > QoS > Wireless QoS > Mapping DSCP to Queue. STEP 2 Choose the traffic forwarding queue to which the

• Cisco ISA550, Firewall Configuring IP-MAC Binding to Prevent Spoofing Cisco ISA500 Series Integrated Security Appliances Administration Guide 238 6 Configuring IP-MAC Binding to Prevent Spoofing IP-MAC Binding allows you to bind an IP address to a MAC address and vice-versa. It only allows traffic when the host IP address matches a specified MAC address. By requiring the gateway to validate the source traffic’s IP address with the unique MAC address of device, this ensures that traffic from the specified IP address is not spoofed. If a violation (the traffic’s source IP address doesn’t match the expected MAC address having the same IP addre

• Configuration Wizards Using the Setup Wizard for the Initial Configuration Cisco ISA500 Series Integrated Security Appliances Administration Guide 40 2 Configuring Remote Administration STEP 16 Use the Remote Administration page to configure the remote management settings. The security appliance allows remote management securely by using HTTPS and HTTP, for example ht

• Cisco ISA550, Firewall Configuring Firewall Rules to Control Inbound and Outbound Traffic Cisco ISA500 Series Integrated Security Appliances Administration Guide 207 6 NOTE ACL rules are applicable for inter-VLAN traffic, whether within a zone or between zones. You cannot set ACL rules for intra-VLAN traffic, such as LAN to LAN. Priorities of Firewall Rules The security appliance includes three types of firewall rules: • Default firewall rules: The firewall rules that are defined on the security appliance for all predefined zones a

• Cisco ISA550, Security Services Network Reputation Cisco ISA500 Series Integrated Security Appliances Administration Guide 283 7 - ActiveX: Check this box to prevent ActiveX applets from being downloaded through Internet Explorer. - Cookies: Check this box to block cookies, which typically contain sessions. STEP 3 Choose one of the following actions when Web URL Filtering is unavailable: • Block Web Traffic when web URL filter services are not available: All web traffic is blocked until Web URL Filtering is available. • Allow Web Traffic even when web URL filter services are not available: All web traffic is allowed until Web UR

More Instructions:

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