On Jan 20, 2004, at 11:55 AM, Rossz Vamos-Wentworth wrote: > Is it necessary to list both upper and lower case for the extensions?
> I
> would hope not. If so, it won't take long for some virus writer to
> start randomizing the case of each letter, e.g. eXE, Exe, EXe, etc.
I don't believe it currently is -- but at one point case was an
unresolved question with exiscan. no one was really sure how to
answer, so it was common practice to err on the side of caution.
newer versions, i believe, are specified case insensitive. i never
heard anything about the earlier versions though.
