Cisco S190 Manuale utente

Cisco Systems, Inc.

www.cisco.com

Cisco S190 Web Security Appliance

Quick Start Guide

• Welcome

• Before You Begin

• Document Network Settings

• Plan the Installation

• Install the Appliance in a Rack

• Plug In the Appliance

• Temporarily Change Your IP Address for Remote Access

• Connect to the Appliance

• Power Up the Appliance

• Log In to the Appliance

• Run the System Setup Wizard

• Check for Available Upgrades

• Configure Network Settings

• Configuration Summary

• Additional Configuration

• Where to Go from Here

• Cisco Notification Service

Welcome

Thank you for choosing the Cisco S190 Web Security Appliance (Cisco S190).

The Cisco S190 helps organizations secure and control web traffic.

This guide describes how to physically install the Cisco S190 appliance and use

the System Setup Wizard to configure basic settings. You can also refer to the

AsyncOS for Cisco Web Security Appliances User Guide.for information about

how to configure appliance settings.

Before You Begin

Before you begin the installation, make sure that you have the items needed. The

following items are included with the Cisco S190 Web Security Appliance:

• Rails and adaptor kit

• Power cable

• Ethernet cable for connecting the appliance to your network

• Regulatory Safety and Compliance Information

You will need to provide the following items yourself:

• Rack cabinet enclosure (if rack-mounting the appliance)

• Phillips-head screwdriver for assembling rails

• 10/100 Gigabit Base-T TCP/IP LAN

• Desktop or laptop computer

• Web browser (or SSH and terminal software)

• Network and administrator information for the “Document Network

Settings” section on page 3 and “go live” configuration

Document Network Settings

Before you begin, write down the following information about your network

and administrator settings.

Deployment Options

• Web Proxy

–

Transparent with L4

–

Switch Transparent with

WCCP Router

–

Explicit Forward Proxy

• L4 Traffic Monitor

–

Simplex tap/Span

port

–

Duplex tap/Span

port

Network Context

Is there another proxy on the

network:

Yes

Other Proxy IP Address:

Other Proxy Port:

Network Settings

Default System Hostname:

DNS Servers: Use the Internet root DNS

servers.

Use the following DNS

servers (maximum 3):

Network Time Protocol (NTP)

Server:

Time Zone Region:

Time Zone Country:

Time Zone GMT Offset:

Interface Settings

Management Port

IP Address:

Network Mask:

Hostname:

Data Port (Optional, see Note)

IP Address:

Network Mask:

Hostname:

Note The Web Proxy can share the management interface. If

configured separately, the Data interface IP address and

the management interface IP address cannot share the

same subnet.

Routes

Internal Routes for Management

Default Gateway:

Static Route Name:

Static Route Destination

Network:

Static Route Gateway:

Internal Routes for Data

Default Gateway:

Static Route Name:

Static Route Destination

Network:

Static Route Gateway:

Transparent Routing Device

Device Type: • Layer 4 Switch or No

Device

• WCCP Router

–

Enable standard

service ID

(web-cache).

–

Router Addresses:

_________________

–

Enable router

security.

Password: 

_________________

Note When you connect the appliance to a WCCP router, you

might need to configure the Web Security appliance to

create WCCP services after you run the System Setup

Wizard.

Administrative Settings

Administrator Password:

Email System Alerts To:

SMTP Relay Host: (Optional)

AutoSupport: Enable

SenderBase Network

Participation:

Enable

• Limited

• Standard

Plan the Installation

Decide how you are going to configure the Cisco S190 Web Security Appliance

within your network.

The Cisco S190 appliance is typically installed as an additional layer in the

network between clients and the Internet. Depending on how you deploy the

appliance, you may or may not need a Layer 4 (L4) switch or a WCCP router to

direct client traffic to the appliance.

Deployment options include:

• Transparent Proxy—Web proxy with an L4 switch

• Transparent Proxy—Web proxy with a WCCP router

• Explicit Forward Proxy—Connection to a network switch

• L4 Traffic Monitor—Ethernet tap (simplex or duplex)

–

Simplex Mode: Port T1 receives all outgoing traffic, and port T2

receives all incoming traffic.

–

Duplex Mode: Port T1 receives all incoming and outgoing traffic.

Security Services

L4 Traffic Monitor: • Monitor only

• Block

Acceptable Use Controls: Enable

• IronPort URL Filters

• Cisco IronPort Web

Usage Controls

Web Reputation Filters: Enable

Malware and Spyware Scanning: • Enable Webroot

• Enable McAfee

• Enable Sophos

Action for Detected Malware: • Monitor only

• Block

IronPort Data Security Filtering: Enable

Note To monitor true client IP addresses, the L4 traffic monitor should

always be configured inside the firewall and before NAT (Network

Address Translation).

If your installation includes multiple Cisco Web Security Appliances (S-Series)

or Cisco Email Security Appliances (C-Series), you may want to also use a Cisco

Content Security Management Appliance (M-Series) to manage them, as shown

in the following network diagram:

Install the Appliance in a Rack

Install the Cisco S190 Web Security Appliance using either the slide rails or fixed

rack mount brackets. For information about these installation options, see the

Cisco x90 Series Content Security Appliances Installation and Maintenance

Guide.

Appliance Placement in a Rack

• Ambient Temperature—To prevent the appliance from overheating, do not

operate it in an area that exceeds an ambient temperature of 104°F (40°C).

• Air Flow—Be sure that there is adequate air flow around the appliance.

• Mechanical Loading—Be sure that the appliance is level and stable to avoid

any hazardous conditions.

Plug In the Appliance

Plug the female end of the power cable into the power supply on the back panel

of the appliance. Plug the male end into an electrical outlet.

Temporarily Change Your IP Address for Remote

Access

To remotely configure the Cisco S190 using the network connection, you must

temporarily change the IP address of your computer. Alternatively, you can use

the serial console to configure the Cisco S190, without changing the IP address.

If you use the serial console, proceed to section 8 below.

Note Make a note of your current IP configuration settings because you will

need to revert to these settings after you finish the configuration.

For Windows

Step 1 Connect your laptop to the primary Management Port (labeled M1)

using the cross over or Ethernet cable included in the system box. The

Cisco S190 appliance uses the M1 Management port only.

Step 2 Go to the Start menu and choose Control Panel.

Step 3 Double-click Network and Sharing Center.

Step 4 Click Local Area Connection and then click Properties.

Step 5 Select Internet Protocol (TCP/IP) and then click Properties.

Step 6 Select Use the Following IP Address.

Step 7 Enter the following changes:

• IP Address: 192.168.42.43

• Subnet Mask: 255.255.255.0

• Default Gateway: 192.168.42.1

Step 8 Click OK and Close to exit the dialog box.

For Mac

Step 1 Launch the Apple menu and choose System Preferences.

Step 2 Click Network.

Step 3 Select the network configuration with the green icon. This is your active

connection. Then click Advanced.

Step 4 Click the TCP/IP tab and, from Ethernet settings, choose Manually

from the drop-down list.

Step 5 Enter the following changes:

• IP Address: 192.168.42.43

• Subnet Mask: 255.255.255.0

• Router: 192.168.42.1

Step 6 Click OK.

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