HP-UX Integrated Login

Integrating DCE with HP-UX Integrated Login

Activation terminates with an error message when any of these steps fails.

Configuring ux as a Fallback Technology for

DCE

You can configure ux as a fallback technology to allow system access when DCE, as a login technology, is not available (DCE down or network problem). If you wish to replicate information of the DCE Security Registry in /etc/passwd, do the following:

• Make sure the DCE Security Registry is not set up to hide exported

 

passwords. When exported passwords are hidden, passwd_export

 

does not export the encrypted passwords from the DCE Security

 

Registry to /etc/ passwd. You can verify this property of the DCE

 

Security Registry by running dcecp and issuing the command

 

registry show at the prompt. You can disable hidden passwords by

 

issuing the command registry modify -hidepwd no at the prompt.

 

To change this property, you must have cell_admin DCE credentials.

 

If you wish to take advantage of the increased security provided by the

NOTE

 

DCE Security Registry hidden passwords policy, do not configure ux as a

 

fallback technology. Specify DCE as the primary login technology, with

 

no fallback login technology.

 

 

•Set up a cron job to export information from the DCE Security Registry to /etc/passwd. You are asked, during the activation process, whether or not to set up such a cron job. With your approval, a passwd_export cron job is set up. If NSS-DCE is activated, this cron job is run once every day. Otherwise, it is run once every hour. You can adjust this frequency by using the crontab(1) command. Frequencies greater than once per hour are not recommended.

•If you wish to prevent a certain user from logging in to the local system, create an entry for that user in the passwd_override file and place the word “OMIT” in the password field of the entry. passwd_export will exclude those entries from /etc/passwd when transferring information from the DCE Security Registry.

Users who configure DCE as the primary login and UNIX as the backup technology should be aware that the UNIX backend is useful as a backup only for names and passwords that meet UNIX requirements,

Planning and Configuring HP DCE 1.7

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UX DCE Software specifications

HP UX DCE Software, or Hewlett-Packard UNIX Distributed Computing Environment, represents a significant tool in the realm of distributed system architecture. Designed primarily for enterprise environments, HP UX DCE enhances the reliability, scalability, and manageability of applications over diverse networked systems.

One of the main features of HP UX DCE is its ability to integrate various computing platforms, enabling seamless communication and resource sharing across distributed nodes. This facilitates the creation of complex applications that can operate on a multitude of systems, thus enhancing operational flexibility. DCE employs standardized interfaces, which means applications written for one platform can run on any other platform that supports DCE, promoting cross-platform compatibility.

In terms of technologies, HP UX DCE utilizes Remote Procedure Calls (RPC) as a core feature. This mechanism allows different applications to communicate and invoke procedures on remote systems as if they were local calls. Additionally, DCE includes a robust security model that incorporates Kerberos for authentication, ensuring that communication between nodes remains secure and protected against unauthorized access.

Another significant characteristic of HP UX DCE is its distributed file system, which allows for transparent file access across different machines. The DCE File System (DFS) provides a unified namespace and manages data replication and consistency across distributed storage resources. This reduces the complexity of data management and enhances data availability.

HP UX DCE also supports a variety of programming languages, making it accessible for developers accustomed to different coding environments. This versatility encourages widespread adoption and innovation, as developers can leverage existing skills to create distributed applications.

Furthermore, HP UX DCE is built for high availability, ensuring that critical applications remain responsive even in the face of hardware or network failures. Its inherent component redundancy and fault-tolerant architecture are designed to minimize downtime, which is essential for mission-critical applications in enterprise scenarios.

In conclusion, HP UX DCE Software provides a comprehensive framework for developing, deploying, and managing distributed applications. Its core features such as RPC support, a secure authentication mechanism, a robust file system, and cross-platform compatibility make it a vital resource for organizations aiming to leverage distributed computing effectively. As enterprises evolve, HP UX DCE stands out as an influential solution in the dynamic landscape of distributed environments.
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