Skip to content

Tag Archives: clients

Cannot open a winmail.dat attachment?

18-Jul-09

If you use non-Microsoft software to read your email, chances are you eventually will receive a message that appears to include an attached file named winmail.dat. This occurs when the sender uses a Microsoft® email client with settings that are incompatible with those of the recipient’s client software.

Proposed cure for “fast flux”: throw away DNS resource records

22-May-08

“Fast flux” refers to the practice of hosting malicious services on a large number of compromised computers, while using highly dynamic DNS resource records to direct traffic between those “bot net drones”. In order to combat “fast flux”, the new Internet Draft document “Double Flux Defense in the DNS Protocol”, by John Bambenek of the [...]