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[#] Mon Sep 03 2018 18:02:38 EDT from winzlo @ Uncensored

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Well, if one is running a mail server with SSL encrypted POP/IMAP/SMTP, there shouldn't be any additional security implications, just a much busier spam filter as IG pointed out. Spammers rely on replies from mail servers to see how far they can get in terms of information gathering. An open relay could reveal a lot more than novices would be aware of, presuming that this was something that all ISp's adopted. I've worked with enough "senior technical" personnel to know that far too many either lied or conned their way into their jobs with either minimal or no actual expertise. No wonder big corporations are going bankrupt...something for another room, though. :)

[#] Thu Oct 25 2018 20:11:49 EDT from IGnatius T Foobar @ Uncensored

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Heh... imagine if RS-232 connectors could have a conflict between
their physical gender and what they feel their physical gender should

have been.


(Quoted from fleeb in the Home Handyman room)

I know it was a joke, but ... RS-232 connectors originally *did* have "gender roles".

RS-232 on a male DB-25 connector was supposed to behave as DTE, with transmit on pin 2, receive on pin 3, asserting DTR on pin 20, etc.

RS-232 on a female DB-25 connector was supposed to behave as DCE, receiving on pin 2, transmitting on pin 3, listening for DTR on pin 20, etc.

In practice, most manufacturers simply put female connectors on everything, shipped male-to-male cables, and expected you to work out any connection problems on your own. Ironically, one notable exception was IBM, the "evil empire" of that era, whose DTE ports on the PC were 25 pin male.
Imagine that, the manufacturer who at the time was famous for coming up with their own incompatible version of everything, was one of the few following the standard.

If everyone had followed the standard, an entire category of adapters would not have been needed.

Today, over half a century after RS-232 was introduced, most serial ports appear as the de-facto standard of the Cisco serial console pinouts on an RJ-45 connector.

[#] Fri Oct 26 2018 10:13:22 EDT from fleeb @ Uncensored

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That would have simplified quite a few things if people followed that standard.
Hm.

[#] Thu Nov 01 2018 12:46:19 EDT from IGnatius T Foobar @ Uncensored

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Seriously. Anyone who worked with computers back then will remember what a nightmare it was to get different types of devices to handshake properly.
Every printer vendor had slightly different requirements. I did my share of time with the breakout box. I don't miss that.

DigiBoard (now just "Digi") is still around, by the way. They seem to do a lot of stuff with mobile routers.

[#] Thu Nov 01 2018 21:44:45 EDT from Ragnar Danneskjold @ Uncensored

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I was really good at getting serial stuff to work.... So many people that it was magic.

[#] Fri Nov 02 2018 14:44:24 EDT from fleeb @ Uncensored

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I also remember the different file formats for text.

Amusingly, that hasn't changed. If anything, it has only grown worse over time.

[#] Sat Nov 17 2018 12:30:04 EST from IGnatius T Foobar @ Uncensored

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I was really good at getting serial stuff to work.... So many people

that it was magic.

Well yes, if you understood the protocol instead of just guessing, like a lot of people did ... it wasn't *that* hard. As long as you had the tools.

Of course, RS-232 was for pussies. Real engineers used V.35, with those gigantic 34-pin Winchester connectors. Yeah!

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