. . . I'm not a networking guru . . .

Don't take this the wrong way, but: Stop now, because you don't know enough and you're probably going to screw something up (as if the mention of Telnet in the context of secure protocols didn't prove that already :). In all likelihood you probably don't even know what you don't know (if I may wax Rumsfeldian).

There's an entire very good book on the subject which one probably could summarize in one sentence: "Security is hard; doing security correctly, even for people that know what they're doing, is hard and even the experts often make mistakes.".

Now that I've at least hopefully dulled your hopes, let me say that I'm not saying 100% that you shouldn't do it (more like 99.8% that you shouldn't, lowered to a 99.4% once you've read Schneier and understand more of the implications of what you're proposing). But don't undertake this lightly and make sure you pay attention to prior art and reuse proven, tested components where possible.

And if the desire persists, repeatedly apply the Schneier book to the forehead until the urge passes. :)

In reply to Re^5: How to implement a fourth protocol by Fletch
in thread How to implement a fourth protocol by Moron

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