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COMPUTING

NSI makes free e-mail security blunder

September 20, 1999
Web posted at: 10:13 a.m. EDT (1413 GMT)

by Sean Dugan

From...
InfoWorld
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(IDG) -- Network Solutions Inc. (NSI) discovered that no good deed goes unpunished when its attempt to offer a free e-mail service backfired with a significant security problem.

NSI, the company that assigns and manages Internet domain names, recently launched a new Web site and an accompanying free e-mail service, similar to that offered by Yahoo and Microsoft Hotmail. Through the service, called "Dot Com Now Mail," NSI offered free e-mail accounts for all those who registered domain names.
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However, as it turns out, nearly anyone, including unauthorized users, could sign up to use a domain registrant's e-mail account -- thanks to badly configured default security.

NSI set up the e-mail accounts for registrants using the convention "domainid" for log-in, and "domainidnsi" for the password. InfoWorld confirmed that anyone who knows a domain name could access the free e-mail account before the legitimate owner did. In doing so, the unauthorized user could change the password and effectively lock legitimate users out.

Additionally, the accounts were set up using the domain registrant's last name, with the password "lastnamenai" convention, which makes them subject to the same problem -- if an unauthorized user knows a registrant's last name, they gain access to the e-mail account.

NSI could not be reached for comment.

As of 2 p.m. Eastern time Thursday, Sept. 16, the new NSI Web site was redirecting users to NSI's home site.

Sean Dugan is senior research editor at InfoWorld.



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Network Solutions Inc. (NSI)
The Internet Corporation for Assigned Names and Numbers (ICANN)
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