These companies and organisations trust OpenBSD's rigorous code audit and security-first development model. They use the system to build firewalls, intrusion detection systems, or general purpose servers. University researchers and IT department developers often have similar security and stability requirements and choose OpenBSD.

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NOTE: For reasons of security, companies can ask us to withhold their names, or those of their clients. They would then appear as "Undisclosed Company".

• Network Security Technologies, Inc., a network and computer security firm, uses OpenBSD for high speed intrusion detection, virtual private networking, and data warehousing applications. Network Security Technologies, Inc is located in the Washington DC metro area, and uses OpenBSD at several undisclosed military and government agency locations.

• Software giant Adobe Systems uses OpenBSD on a number of their network firewalls and network testing systems.

• Calyx Internet Access Corp. uses OpenBSD for running all mission-critical services including WWW, FTP and email as well as for network monitoring at its data centers in New York and Amsterdam. Even larger web sites such as snapple.com, tanqueray.com and others are no challenge for OpenBSD.

• Alteon Networks the gigabit ethernet hardware manufacturer, uses OpenBSD machines in varying capacities ranging from testbeds to gateways.

• CORE SDI S.A. an Information Security company based in Buenos Aires, Argentina uses OpenBSD as the main platform for operation and development of information security related products. "The robustness, portability and commitment to security of OpenBSD, as well as the ability to run on different hardware platforms, provides an ideal operating system for environments where security and high availability are major concerns" , says Ivan Arce, CORE SDI's CEO.
• The University of Minnesota uses OpenBSD on Sun Sparc workstations for network monitoring and capacity planning. They query 53,000 (as of May 1999) different interfaces via SNMP, logging more than 250MB of SNMP data to concatenated disk for processing each month.

• Empire Net, an ISP in Bend, Oregon, uses OpenBSD on Sun Sparc and Intel Pentium Pro machines for network monitoring, routing (including wireless and DSL connections), web site hosting, NFS, and anything else that needs to be both fast and secure..

• RTMX, Inc., produces an OpenBSD derived, IEEE POSIX real time extended system solution. RTMX fully re-implemented previously developed in-house IEEE POSIX realtime extensions using OpenBSD as a root source tree. Nearly all of the IEEE POSIX extensions have been added. Currently all OpenBSD features are supported, but only a reasonable subset of the cpu types & platforms are currently working.
  RTMX is also a licensed OSF Motif house, and has ported Motif 1.2.3 to most of the supported platforms. Yong Chen's VXP Motif GUI Builder has been licensed for porting to OpenBSD/RTMX systems. In addition, RTMX plans to release a general purpose data base package in the not-too-distant future.
  RTMX "believes strongly in the OpenBSD approach...and looks forward to supporting the organization as it grows."

• RTMX Networking Services, North Carolina, USA, is using OpenBSD on multiple servers for Web, DNS and nearly 1000 e-mail users in their community just West of Research Triangle. There is a mix of AMD K-6, MicroSPARC-II and PowerPC systems in use, with more servers coming on-line. RTMX.NET is preparing to host an OpenBSD ftp site, and a cvs repository through these resources.

• Poppe Tyson Europe is using OpenBSD as a primary DNS, mailserver for 100+ mailboxes, and as their Website Development server for over 50 sites.

• The Center for Information Technology Integration (CITI) at the University of Michigan uses OpenBSD as the basis for many intensive research projects. OpenBSD is used for developing and analyzing smart card contents and protocols, both in isolation and in real applications. Plans are underway to issue cards containing secure tokens for user logins and kerberos ticket acquisition. OpenBSD is also used as a test platform for the mobile computing program at CITI. Internally "The Packet Vault" is an OpenBSD machine that captures and records on cd-rom every packet on the local 10 Mbps ethernet. Packet contents are encrypted to comply with privacy requirements. This practice is used for intrusion detection. In addition, a number of people within the department are using OpenBSD as their primary operating system.

• The University of Alberta uses OpenBSD on SPARC and Intel hardware for proxy servers, Kerberos servers, print servers, service monitoring, pre-emptive security scanning, and incident response. OpenBSD on Intel Hardware is used for Firewalls and Lan-to-Lan VPN for the university's secured subnets behind which all the University's new administrative systems reside. OpenBSD is used for authenticating gateways in front of public labs and public ethernet jacks in approximately 40 locations across campus (about 1500 seats) to help secure public internet access. The Department of Computing Science is using two 20 seat OpenBSD labs for undergraduate instruction.

• webFreaks.com, LLC is a new startup company of 3 employess in Silicon Valley. Our shell account server currently has 300-400 users running on AMD and Cyrix CPUs connected to the internet via 384K ADSL (there are 2 locations in Mountain View and Cupertino, CA, each connected with ADSL). We also custom design webpages and banner ads.

• Crown.Net is an internet service provider running almost completely on a mixture of OpenBSD/sparc and OpenBSD/i386. Our Web Servers(2), Mail Server, Primary and Secondary DNS, and Radius servers all are running OpenBSD/sparc and our shell server and several co-located servers are running OpenBSD/i386.

• FSC Internet Corp., a large Information Security and Internet development firm located in Toronto, Canada, has used OpenBSD and its IPsec support to construct a secure and flexible VPN for a multi-billion dollar client. "We are delighted with OpenBSD's performance, reliability, and pro-active attitude towards security," says a company spokesperson. "We intend to use OpenBSD in many future projects. We believe strongly that open-source solutions like OpenBSD are best able to provide the high levels of security our clients require -- closed-source software almost never receives the level of code review that OpenBSD is committed to."

• SoftQuad Software Inc., makes of HTML and XML editing software, uses OpenBSD for their gateway, FTP, and web services.

• Hobbiton.org uses OpenBSD to run their free shell server, as well as other systems. The shell server, a single AMD K6/233, handles well over 10,000 users. "We tried OpenBSD after having constant security problems with other operating systems", says Hobbiton's Leif Pedersen. "Since then, security in the operating system has not been a problem and, as an added bonus, the systems have been more stable."