Checking Policy Configuration

Troubleshooting HP-UX IPSec

Troubleshooting Procedures

There are two methods for determining which policy HP-UX IPSec uses for a packet:

•Use the ipsec_policy command to query the policy daemon to determine which policy HP-UX IPSec would use for the packets.

•Generate packets and examine policy cache and policy entries to determine which policy HP-UX IPSec used for the packets.

Using ipsec_policy

Use the ipsec_policy command to determine which IPSec policy will be used for a given packet. For example, on system 15.1.1.1, you want to determine which host policy HP-UX IPSec will use for outbound telnet requests to 15.2.2.2 (the local system 15.1.1.1 is the telnet client). Use the following command:

ipsec_policy -sa 15.1.1.1 -sp 65535 -da 15.2.2.2 -dp 23 -p tcp -dir out

To determine which host policy HP-UX IPSec will use for inbound telnet requests to 15.1.1.1 from system 15.2.2.2 (the local system 15.1.1.1 is the telnet server), you can use the following command:

ipsec_policy -da 15.1.1.1 -dp 23 -sa 15.2.2.2 -sp 65535 -p tcp -dir in

Refer to the ipsec_policy (1M) manpage for more information.

NOTE	Both examples shown above include a dummy user-space port number
	(65535) for the client port.

Examining the Policy Cache and Policy Entries

To determine the actual IPSec policy used for a packet, examine the output from the ipsec_report -cachecommand to find the cached policy decision for the packet, then use the Cookie field from the ipsec_report -cacheentry to find the matching entry in the ipsec_report -hostoutput. The cache entry below is for an attempted outbound telnet session from system 192.1.1.1 to system 192.1.1.3. The

Chapter 5

163

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 Checking Policy Configuration, Using ipsecpolicy

Models: UX IPSec Software

Troubleshooting HP-UX IPSec