Originally Published: Sunday, 31 October 1999 Author: Quentin Cregan
Published to: news_enhance_security/Security News Page: 1/1 - [Printable]

DoS attack for ircd's by oversized PTR record

Some UnderNet derived ircd's appear to crash while attempting to resolve exceptionally long domain names. Some of the reported vulnerable include: Elite ircd (versions unknown); Ptlink ircd (all versions); and Undernet ircd (u.2.9.32).