[Info-vax] SSH on VAX - performance impact of break in attempts

VAXman- at SendSpamHere.ORG VAXman- at SendSpamHere.ORG
Wed Aug 25 17:59:44 EDT 2010


In article <i53tmj$402$1 at speranza.aioe.org>, glen herrmannsfeldt <gah at ugcs.caltech.edu> writes:
>Michael Moroney <moroney at world.std.spaamtrap.com> wrote:
> 
>>>VAXman- wrote:
>>>(snip)
>>>> The 12 character username prohibits the 'administrator' account.
>
>Then I wrote:
> 
>>>I thought that was changed a long time ago.
>
>(snip)
>
>>>I believe I was asked if I wanted all 14, but I was too used to
>>>the other one by then.
> 
>> Doesn't VMS simply ignore all characters after the first 12?  I think
>> my audit server logs show many breakin attempts against the nonexistent
>> ADMINISTRATO account.
>
>It did for early versions, but around 1986 or so it changed.
>
>I was told at the time that it changed to allow longer names,
>but at least I know it didn't truncate them.
>
>This is for terminal logins.  It might be that sshd or telnetd
>truncate, even when terminal logins don't.

12 characters is all you can use until VMS internal data structures change
to house more than 12 characters.  If you can find a way for me to login
with a 14 letter surname, do tell.


-- 
VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)ORG

All your spirit rack abuses, come to haunt you back by day.
All your Byzantine excuses, given time, given you away.



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