Important Information About HeinOnline Systems

System Maintenance, Technical Support
Shannon Furtak

As HeinOnline continues to grow, we have expanded the size and depth of our server platforms, and enhanced security and failover mechanisms behind the scenes. These enhancements enable our users to have a seamless and positive legal research experience when we perform routine server maintenance or encounter unexpected downtime.

HeinOnline operates using numerous hardware and internet connection redundancies. During periods of server maintenance, it is necessary to move database functionality between servers and internet connections. Therefore, we have developed the following recommended configurations in order to ensure that customers are not affected by changes in HeinOnline operations. Please pass this information to your library's technical services department to ensure your library has uninterrupted access.

Official HeinOnline Recommended Configurations

In order to provide the best possible HeinOnline research experience, the information technology staff at William S. Hein & Co., Inc. has dedicated considerable time and resources to develop a system that is both fault tolerant and robust. To prevent system failures and to ensure seamless database access during periods of server downtime, HeinOnline uses a multitude of technologies which include hardware and internet connection redundancies, DoS protection, load balancing, and automatic failovers among multiple servers. In order to ensure that HeinOnline access is not interrupted due to routine server maintenance or unexpected failovers, it is vital that all customers configure their systems with the proper HeinOnline domain name and standard DNS practices. Proper configuration will ensure that these performance enhancements and redundancies are not circumvented.

At this time, we recommend and officially support access to HeinOnline via domain name (heinonline.org).  Locking a proxy server or web portal onto a specific IP address circumvents many of the systems we have put in place and could potentially cause interruptions in HeinOnline access.  Caching should also be disabled on any proxy server utilized to access HeinOnline.  We publish a short TTL on our DNS A-Records and it is important not to hold onto these records for longer than the published 15 seconds.

While we do not recommend utilizing IP addresses in proxy configurations, the following is provided for informational purposes only:

HeinOnline current public-facing IP addresses:

HeinOnline supporting public-facing IP addresses:

If you have any questions, please contact our support team at holsupport@wshein.com or (800) 277-6995.

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