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A group of experts has released an open source alternative to the BIND DNS server software that boasts higher performance and better security.
The new DNS server -- dubbed Unbound 1.0 -- is available here
Unbound is a recursive DNS server, which is used by ISPs and enterprises to support DNS look-ups by users. DNS is the feature of the Internet that matches domain names with IP addresses, and it is used for Web browsing, e-mail and Internet-based telephony.
Unbound was released this week to open source developers by NLnet Labs, VeriSign, Nominet and Kirei. NLnet Labs, a nonprofit research firm based in The Netherlands, will provide ongoing support for the software.
From its first prototype in 2004, Unbound was designed to be a faster, more secure replacement for BIND. Unbound supports DNS security extensions (DNSSEC), which authenticate DNS lookups but are not yet widely deployed because they rely on a public key infrastructure.
"One of the main advantages is that it's high performing. We designed it from the beginning to be fast," says Matt Larson, director of DNS research with VeriSign. "We also designed it from the beginning to support DNSSEC. Other DNS servers had to bolt that on, but we were able to start fresh."
VeriSign has tested Unbound but isn't using it in production mode.
VeriSign runs the authoritative DNS servers for .com and .net, which are the servers that respond to queries from recursive DNS servers like Unbound. VeriSign uses homegrown software it calls ATLAS for its authoritative DNS servers.
VeriSign said that by offering Unbound to the open source community, it is trying to give back to the Internet community.
"Our goal [with Unbound] is to have an active community. We want to get to the point where the community is looking at it, monitoring it and adding patches," Larson says. "This is just another example of VeriSign's innovation. We're always moving forward."
Developed in the early 1980s, BIND (Berkeley Internet Name Domain) is the most popular DNS server software on the Internet. However, BIND has suffered from serious security flaws, even in its current release, BIND 9.
BIND alternatives already exist, including DNS server software from Microsoft and Cisco and appliances from Infoblox, InfoWeapons and others. Another option is free DNS services from OpenDNS and NeuStar.
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Computerworld Live Podcast #97: The Future of Enterprise Networking 25/07/2008 09:45:36
This week CW Live chats with Mark Thompson, global sales and marketing manager for HP ProCurve, on the future of the enterprise networking. Mark discusses the trends we can expect to see in the near future and how the right infrastructure can ensure your enterprise network is secure. - +
Computerworld Live Podcast #96: Security at the Edge 11/06/2008 09:22:22
CW Live speaks with Amol Mitra, HP ProCurve Director of Marketing for Asia Pacific and Japan. Today's topic: how enterprises are starting to shift away from simply controlling security via server logins, firewalls and moving to more adaptive security frameworks. - +
Data Management Edition #10: Multi-Petascale Systems 02/05/2008 09:12:33
This week we look at sustainability and the development of multicore technologies to build multi-petascale systems. - +
IT Security Edition #11: How to poison the Storm botnet 01/05/2008 08:51:55
This week CW Live presents a case study on how to poison the notorious Storm botnet . Plus we take a look at Cisco's plans for Ironport. - +
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Vendors bow to end user pressure to improve product security, and we take a look at the latest concepts shaping the cyber-battlefield of the future.
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