Configuring Web Browser Properties
To configure Web browser properties, access the Web Browser Properties dialog box in the Client Configuration node of the ISA Server management console. The different settings that you can configure on the Web Browser Properties dialog box are explained here.
On the General tab, you can configure the following settings:
Configure Web Browser During Firewall Client Setup checkbox; select this option if you want the Firewall client software to configure...
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Designing a Proxy Server Implementation
Before you can design a Proxy Server implementation and install Proxy Server, you need to be knowledgeable on a number of concepts:
IP routing concepts
Firewalls concepts
Packet filtering concepts
Files and protocols utilized in Web applications
To design a Proxy Server implementation, there are a number of factors that has an impact on the Proxy Server design:
The characteristics of data that will pass to the Proxy Server. Data characteristics...
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Proxy Server Overview
Proxy Server enables you to connect the private network or LAN to a public network such as the Internet, by acting as a gateway for internal client computers to the Internet. Proxy Server is a secure gateway which you can use to provide Internet connectivity for IP and IPX based networks. A gateway is a computer that makes it possible for two networks to communicate.
Proxy Server services should run on one computer to which both the private network and the public...
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Access Policies Overview
Protocol rules and site and content rules determine access policy in ISA Server:
Protocol rules define which protocols clients can use to access the Internet.
Site and content rules define which sites and content can be accessed. Because no protocol rules are defined and applied when you install ISA Server, traffic will not be able to pass through.
Packet filters are used to manage the flow of IP packets to ISA Server and from ISA Server. Packet filtering...
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Configuring VPN Connectivity
Virtual Private Networks (VPNs) provide secure and advanced connections through a non-secure network by providing data privacy. Private data is secure in a public environment. Remote access VPNs provides a common environment where many different sources such as intermediaries, clients and off-site employees can access information via web browsers or email. Many companies supply their own VPN connections via the Internet. Through their Internet Service Providers...
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ISA Server Client Types Overview
The different ISA Server client types are:
Firewall client: These are client computers on which Firewall Client software is installed and enabled.
SecureNAT client: These are client computers that have no Firewall Client software installed and enabled.
Web Proxy client: These are client Web applications which are set up to use the ISA Server computer.
You have to consider the needs of the organization before you install any client software:
You have...
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IP Packet Filter Overview
Access rules and packet filtering should be configured on firewalls to control both source and destination addresses and ports. With packet filtering, you can manage the flow of IP packets to ISA Server and from ISA Server. Packet filtering inspects the header of each packet for protocol, port, and destination address and source address information. Packets are dropped if they are not explicitly allowed.
IP packet filters can be configured when ISA Server is...
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Modifying the Local Address Table (LAT) for ISA Server Installation
When ISA Server runs as a firewall (install ISA Server in Firewall mode or in Integrated mode), ISA Server uses the Local Address Table (LAT) to determine the following information so that it can implement access rules:
Determine the IP addresses on the private network.
Determine the IP addresses on the public network.
The firewall client uses the information in the LAT to determine the following:
The addresses that...
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Bandwidth Usage in ISA Server
Network performance can depreciate because of a number of issues. With ISA Server, you can use bandwidth priorities and bandwidth rules to set propriety levels for traffic. Effective bandwidth is the terminology used to describe the data transfer rate available to clients through dial-up connections or dedicated Internet connections. Bandwidth rules make it possible for you to set the priority for requests.
Bandwidth rules are configured by specifying a number...
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Tools for Troubleshooting ISA Server
There are a variety of tools that you can use to troubleshoot ISA Server. The type of issue would determine which of the tools(s) listed here you need to use:
ISA Server Reports tool: You can use the reporting feature included with ISA Server to obtain and view information on usage statistics of the server for computers and client users, to create your own reports to log specific data, and to isolate the cause of a performance problem. ISA Server...
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