At 08:40 AM 25/07/01 -0600, Vernon Schryver wrote:
>I've read somewhere that they sometimes ignore the 3 character DOS
>filename or filetype extension and look for magic numbers in the data.
>I've no way of evaluating that, or at least no inclination.

I know that both Explorer and Netscape do exactly this [for web content]. 
E.g. a filename with ".gif" can still contain an executable... and 
therefore a virus.

I believe you can find more specific details in the Netscape source code at 
mozilla.org.

John
---------------------------------------------------------------
Network Appliance           Direct / Voicemail: +31 23 567 9615
Scorpius 2                                 Fax: +31 23 567 9699
NL-2132 LR Hoofddorp               Main Office: +31 23 567 9600
---------------------------------------------------------------

Reply via email to