Example 3 Host to Gateway, Host IPSec Policy

HP-UX IPSec Configuration Examples

Example 3: Host to Gateway

On system Blue (15.5.5.5), you configure HP-UX IPSec to communicate back to Home1 (17.7.7.7) using a secure IPSec tunnel to a gateway (a router), accessed using its 16.6.6.6 address. The end-to-end packets pass in clear text.

Blue must use the router as the gateway to Home1. You may need to configure an explicit IP route to Home1 that specifies 16.6.6.6 as the gateway address.

The gateway (router) cannot be an HP-UX system. (HP-UX IPSec does not support gateway functionality unless it is used for Mobile IPv6.) Configure the gateway according to the manufacturer’s specifications.

There is no HP-UX IPSec configuration information on Home1. However, Home1 must use the router as the gateway to Blue. You may need to configure an explicit IP route to Blue that specifies one of the router’s addresses as the gateway address

Figure C-4

Host to Gateway Configuration Example

Blue Configuration

Host IPSec Policy

The ipsec_config batch file on Blue contains the following entry:

add host toHome1 \ -src 15.5.5.5 \ -dst 17.7.7.7/32 \

-priority 100 -action PASS -tunnel torouter

302	Appendix C

UX IPSec Software specifications

HP-UX IPSec Software is an integral component of the HP-UX operating system, providing robust and secure communication capabilities for enterprise environments. As organizations increasingly rely on secure networking solutions, HP-UX IPSec stands out with its comprehensive set of features and technologies designed to safeguard sensitive data.

One of the core characteristics of HP-UX IPSec Software is its implementation of the Internet Protocol Security (IPSec) framework. This technology secures Internet Protocol (IP) communications through authentication and encryption, ensuring the integrity and confidentiality of data transmissions. By leveraging IPSec, HP-UX provides a secure method for connecting remote users and secure sites over untrusted networks, such as the internet.

A notable feature of the HP-UX IPSec Software is its support for both transport and tunnel modes. The transport mode encrypts only the payload of the IP packet, whereas the tunnel mode encapsulates the entire IP packet within a new packet, allowing for secure communications between entire networks. This flexibility enables organizations to tailor their security strategies based on specific use cases and requirements.

HP-UX IPSec also emphasizes interoperability and compliance with industry standards. The software supports various encryption algorithms and authentication methods, including those defined by the Internet Engineering Task Force (IETF). This commitment to open standards ensures that HP-UX can seamlessly integrate with a diverse range of networking infrastructures and security solutions.

In addition to its security features, HP-UX IPSec Software offers administration tools that simplify the configuration and management of IPSec policies. The software includes a user-friendly command-line interface, allowing system administrators to specify security associations and policies efficiently. Moreover, comprehensive logging and monitoring capabilities help organizations keep track of their security posture and detect potential vulnerabilities.

Another essential characteristic of HP-UX IPSec Software is its scalability. Designed to accommodate the needs of both small and large enterprises, it can handle increased loads and adapt to changing security demands without compromising performance.

In conclusion, HP-UX IPSec Software stands as a vital solution for organizations seeking to protect their data transmissions over IP networks. With its core technologies, such as transport and tunnel modes, adherence to industry standards, user-friendly administration tools, and scalability, it provides a formidable layer of security in an increasingly interconnected world. This makes it a preferred choice for enterprises aiming to enhance their network security frameworks.

HP UX IPSec Software manual Example 3 Host to Gateway, Blue Configuration, Host IPSec Policy

Models: UX IPSec Software

HP-UX IPSec Configuration Examples