At 08:51 AM 2/8/2002, GertJan de Leeuw wrote: >So the only way somebody can infect the network is , >injecting the first compiled version of a new >distibution (but that is hardly impossible) Not necessarily, one could simply find a portion of the original program that is overspecified, or a feature that most people don't use, and write your code into that space. If the code you replace is small enough, it'll likely fit into a convenient block boundary, such that your code will either be downloaded or not, and you really don't necessarily care about infecting the whole network. Alun. ~~~~ -- Texas Imperial Software | Try WFTPD, the Windows FTP Server. Find us at 1602 Harvest Moon Place | http://www.wftpd.com or email alun@texis.com Cedar Park TX 78613-1419 | VISA/MC accepted. NT-based sites, be sure to Fax/Voice +1(512)258-9858 | read details of WFTPD Pro for NT.