Duo's two-factor authentication protects against credential theft - try it for free! latest release: dsniff-2.3.tar.gz (CHANGES) beta snapshots Abstract dsniff is a collection of tools for network auditing and penetration testing. dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf, and webspy passively monitor a network for interesting data (passwords, e-mail, files, etc.). arpspoof, dnsspoof, and m