[323] in Info-AFS_Redistribution

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Re: the dangers of not using unlog

daemon@ATHENA.MIT.EDU (Bob Andrews)
Fri Sep 20 14:18:29 1991

From: bob@ibmpa.awdpa.ibm.com (Bob Andrews)
To: reuss@ni.umd.edu
Date: Fri, 20 Sep 91 10:17:58 PDT
Cc: Info-AFS@transarc.com
In-Reply-To: <9109201352.AA05340@ni.umd.edu>; from "reuss@ni.umd.edu" at Sep 20, 91 9:52 am

reuss@ni.umd.edu writes:
> 
> This 10 second limitation obviously means you can only expect 6
> authenticated connections to a machines per minutes, but in reality I found
> it was even less than this.  The AFS login and ftp programs seems to do a
> setpag each time a user tries a different password.  Each typo on a users
> part means another 10 second wait for anyone attempting to connect to the
> system.  In fact the ftpd program seems to do an extra initial setpag, thus
> only allowing a maximum of 3 ftp connections per minute.  Recoding login
> and ftpd to only do a single setpag per connection can improve thing 
> somewhat.
> 
> -Karl Reuss
> 
> 
> 

I think ten seconds is a little excessive.  One second might be better.
A multi-tasking make process that knows how to spawn remote compiles
via rsh wouldn't work very well if each rshd got suspended for ten seconds....


	Bob

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