HP Microsoft Internet Security and Acceleration (ISA) Software manual Internal IP address

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Internal IP address

The IP address assigned to the internal interface of the ProLiant DL320 Security Server must be a valid IP address for the network to which the firewall is directly connected. This address must meet the following requirements:

•The internal IP address must be on the same network ID as other computers connected to the same network segment.

•The internal IP address must not already be in use on the network.

•The internal IP address, in most cases, is statically assigned. Do not use DHCP to assign an address to the internal interface unless you have a specific requirement to do so. This configuration helps prevent name resolution issues for the firewall and web proxy clients.

Examples of network IDs commonly used on LANs include:

•192.168.1.0 with a subnet mask of 255.255.255.0

•10.1.0.0 with a subnet mask of 255.255.0.0

•172.16.0.0 with a subnet mask of 255.255.0

NOTE: The server uses a default internal IP address of 192.168.2.1. Change the IP address during setup to meet the unique addressing requirements of the network.

For example, consider the network depicted in the following figure. All of the computers on the network have the same subnet mask, which is 255.255.255.0. The three computers on the LAN have the IP addresses:

•192.168.2.2

•192.168.2.3

•192.168.2.4

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Contents HP ProLiant DL320 Security Server User Guide Audience assumptions Contents Network services support Customer self repair Technical supportBefore you contact HP HP contact informationHP customer support Overview IntroductionAffected functionality Initial setup considerationsFirewall lockdown mode Internal network overview Computer name and administrator passwordLeaving lockdown mode Select StartControl PanelSystem Workgroup and domain name considerationsInternal IP address DNS server address on the internal interface Custom network adapter configurations External IP address Enabling the web listener Setting up the serverSelect the Enable Web Proxy clients checkbox Enabling the firewall client listener Creating an Internet access ruleHP Virus Throttle Configuring Virus ThrottleSuggested third-party applications Available verified third-party applications and plug-insAdditional documentation available from HP Server Microsoft Windows UpdateManaging and maintaining the firewall Remote desktopSelect StartHelp and Support Remote management consoleRemote Assistance Click ApplyOK Configuring monitoring, reporting, and loggingConfiguring firewall logging Configuring web proxy loggingDNS Wpad entry Setting up the Client Installation ShareOptions Configuring time synchronizationDhcp option BrowseRemote access VPN Backing up and restoring the system Disaster recovery and change managementBacking up and restoring server settings Select ToolsOptions Restoring original factory settingsScheduling backups NextAdvanced Dhcp server Network services supportDNS server Network services support Hardening overview and impact Firewall and operating system services overviewClick Services and ApplicationsServices ProLiant DL320 Security Server servicesVDS TCP/IP Acronyms and abbreviations LAN WIA
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Microsoft Internet Security and Acceleration (ISA) Software specifications

HP Microsoft Internet Security and Acceleration (ISA) Software is a robust network security solution designed to safeguard business environments by offering a versatile platform for secure internet access. ISA Server integrates multiple functionalities that are essential for modern enterprise needs, helping organizations manage and protect their network infrastructure.

One of the main features of ISA Server is its firewall capabilities, which provide an essential barrier between internal networks and external threats. The software utilizes intelligent packet filtering to analyze incoming and outgoing traffic, ensuring that only legitimate communications are allowed while blocking potentially harmful activity. This helps to mitigate risks associated with external cyber threats and unauthorized access.

Another key feature is the built-in web caching technology. ISA Server improves network performance by caching frequently accessed websites and content. This reduces bandwidth usage and enhances response times for end-users, leading to increased productivity. By storing copies of web pages, ISA Server can serve them quickly to users, allowing enterprises to optimize their use of internet resources.

ISA Server also includes a powerful Virtual Private Network (VPN) feature, enabling secure remote access for employees. This technology supports secure connections over the internet, allowing users to access the corporate network and resources from anywhere in the world. The VPN capabilities ensure data encryption during transmission, protecting sensitive information from interception.

Moreover, ISA Server incorporates integrated threat management tools, which offer insights into potential security issues. These tools provide logging and reporting features that allow administrators to monitor traffic patterns and detect anomalies. This functionality is critical for identifying and responding to potential security breaches in real-time.

In addition to these features, ISA Server supports application-layer filtering, which enhances security further. This allows organizations to control access to specific applications and services while ensuring that malicious content cannot infiltrate the network.

Overall, HP Microsoft Internet Security and Acceleration Software is a comprehensive solution designed to address the complexities of network security in today’s digital landscape. Its combination of firewall protection, web caching, VPN capabilities, and application-layer filtering makes it an invaluable tool for organizations looking to secure their internet connectivity while optimizing performance and user experience. By leveraging advanced technologies and characteristics, ISA Server empowers businesses to operate safely and efficiently in an interconnected world.
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