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Forums » Up and Running » Security » Security » Is Portknocking "Real" Security?
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sivran
Long Live The Suite
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join:2003-09-15
Arlington, TX
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Re: Is Portknocking "Real" Security?

It's more like a prohibition-era speakeasy with a secret knock. Bang on the door like a policeman, and no one ever opens the little sliding window and asks for the password.

At the very worst, it's like having one extra password to enter. What could be so bad about that, aside from the annoyance factor?

Of course, physical analogies are somewhat flawed anyway. A door can be knocked down. A closed port (usually) can't be.
--
Think outside the fox...Seamonkey
permalink · 2007-03-30 12:10:28 · Print · Reply to this

Daniel
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join:2000-06-26
Pleasanton, CA
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Re: Is Portknocking "Real" Security?

said by sivran See Profile :

At the very worst, it's like having one extra password to enter. What could be so bad about that, aside from the annoyance factor?
Actually, once you install the software it can become pretty much transparent, so the "knock" can take place without you being aware of it (and even use cryptography to do so).

The end result is that you just login as normal regardless of where you are, while the rest of the world sees nothing whatsover. To them there might as well not even be a service running.
--
dmiessler.com -- grep understanding knowledge
permalink · 2007-03-30 12:19:51 · Print · Reply to this

Name Game
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join:2002-07-07
North Myrtle Beach, SC
said by sivran See Profile :

It's more like a prohibition-era speakeasy with a secret knock. Bang on the door like a policeman, and no one ever opens the little sliding window and asks for the password.

At the very worst, it's like having one extra password to enter. What could be so bad about that, aside from the annoyance factor?

Of course, physical analogies are somewhat flawed anyway. A door can be knocked down. A closed port (usually) can't be.
Might want to read Matt Doyle's undergrad thesis..

»portknocking.sourceforge.net/
--
Gladiator Security Forum »www.gladiator-antivirus.com/ Missing Kids »www.missingkids.com/
permalink · 2007-03-30 12:34:05 · Print · Reply to this
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