Isa 2
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- Words: 395
- Pages: 11
1
ISA Server Clients
ISA server supports three types of clients Firewall Clients Secure NAT Clients Web Proxy Clients
2
ISA Server Clients
Features
Secure NAT Client
Firewall Client
Web Proxy Client
Client Installation
No Client Installation is requested
Client Installation required
No Client but application configuration is required
OS Support
All OS that support TCP/IP
Only Windows Client
All OS that support compatible web application
User Level Authentication
No except for VPN connections
YES
YES
3
Perimeter Network
Perimeter network is a network that is separated from the internal network and the internet. Perimeter network allows external users to gain access to specific servers that are located on the perimeter network while preventing direct access to the internal network. Perimeter network is also Called as DMZ (DeMilitarized Zone) or Screened Subnet.
4
Perimeter Network
Perimeter Perimeter Network Network
Internet
ISA Server
Internal Internal Network Network
5
Publishing Rules
Web server Publishing Rules Web Publishing Rules map HTTP or HTTPS request to appropriate web servers located on the network protected by ISA server.
6
Publishing Rules Cont
Secure Web Publishing Rules Secure Web Publishing provides an additional layer of security when publishing an internal website by enabling the option to use SSL (Secure Socket Layer) to encrypt all network traffic to and from web site
7
Publishing Rules Cont
Mail Server Publishing Rules Mail Server Publishing rules are given to securely publish the mail server present in the internal network
8
Publishing Rules Cont
Server Publishing Rules Server publishing rules are used to enable access to internal application that use other protocols. Server publishing is a secure and flexible way to publish the content or services provided by internal service to the internet
9
Monitoring
For ensuring the proper performance of ISA server, monitoring has to be done. Different Monitoring Tools Available are Alerts: An alert is a notification of an event or action that has occurred on ISA server Sessions:
Sessions
monitoring
provides
information on all clients that are connected to the ISA server
10
Monitoring Cont
Connectivity: We can enable ISA server to monitor connections with other servers on the
internal
network
or
the
internet
by
configuring monitors Logging: By using logging, we can log the information to generate reports, analyze trends investigate security issues Reports: ISA server reports provides a summary of the information collected from the ISA server log files.
11
ISA Server Clients
ISA server supports three types of clients Firewall Clients Secure NAT Clients Web Proxy Clients
2
ISA Server Clients
Features
Secure NAT Client
Firewall Client
Web Proxy Client
Client Installation
No Client Installation is requested
Client Installation required
No Client but application configuration is required
OS Support
All OS that support TCP/IP
Only Windows Client
All OS that support compatible web application
User Level Authentication
No except for VPN connections
YES
YES
3
Perimeter Network
Perimeter network is a network that is separated from the internal network and the internet. Perimeter network allows external users to gain access to specific servers that are located on the perimeter network while preventing direct access to the internal network. Perimeter network is also Called as DMZ (DeMilitarized Zone) or Screened Subnet.
4
Perimeter Network
Perimeter Perimeter Network Network
Internet
ISA Server
Internal Internal Network Network
5
Publishing Rules
Web server Publishing Rules Web Publishing Rules map HTTP or HTTPS request to appropriate web servers located on the network protected by ISA server.
6
Publishing Rules Cont
Secure Web Publishing Rules Secure Web Publishing provides an additional layer of security when publishing an internal website by enabling the option to use SSL (Secure Socket Layer) to encrypt all network traffic to and from web site
7
Publishing Rules Cont
Mail Server Publishing Rules Mail Server Publishing rules are given to securely publish the mail server present in the internal network
8
Publishing Rules Cont
Server Publishing Rules Server publishing rules are used to enable access to internal application that use other protocols. Server publishing is a secure and flexible way to publish the content or services provided by internal service to the internet
9
Monitoring
For ensuring the proper performance of ISA server, monitoring has to be done. Different Monitoring Tools Available are Alerts: An alert is a notification of an event or action that has occurred on ISA server Sessions:
Sessions
monitoring
provides
information on all clients that are connected to the ISA server
10
Monitoring Cont
Connectivity: We can enable ISA server to monitor connections with other servers on the
internal
network
or
the
internet
by
configuring monitors Logging: By using logging, we can log the information to generate reports, analyze trends investigate security issues Reports: ISA server reports provides a summary of the information collected from the ISA server log files.
11
