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Verify Your Email Security With tcpdump |
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Source: LinuxPlanet - Posted by John P. Forman
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I confess, I'm an outlaw at heart. I like using packet sniffers like tcpdump because it satisfies my base snooping impulses. Packet-sniffing is wiretapping after all, only it's applied to TCP/IP packets, not voice transmissions. Sure, they're my packets on my systems, but still the idea is appealing.
Did you know that you can use tcpdump to verify that encryption on your POP email server is working? Find out how in this informative tutorial from Carla Schroder.
Read this full article at LinuxPlanet
Why bother with extensive tcpdump flags, just use dsniff and mailsnarf. I've got a passive tap on a bonded interface capturing everything coming and going on my WAN and I use dsniff , mailsnarf, and ettercap to check everything coming in and going out. I also run NTOP and iftop all the time to check the connections. |
