From owner-freebsd-stable  Tue Nov  5 11: 1: 0 2002
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Date: Tue, 5 Nov 2002 11:00:55 -0800
From: Erick Mechler <emechler@techometer.net>
To: Don Bowman <don@sandvine.com>
Cc: peterh@ripewithdecay.com, stable@FreeBSD.ORG
Subject: Re: User login limit
Message-ID: <20021105190055.GQ15618@techometer.net>
References: <FE045D4D9F7AED4CBFF1B3B813C8533701022E5E@mail.sandvine.com>
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:: > I've noticed FreeBSD doesn't like accepting more than 24 
:: > logins, no matter
:: > if they're local, ssh, etc.
:: 
:: in your /boot/loader.conf file, put a line like:
:: kern.maxusers=0
:: 
:: Or set it to an actual value.
:: 0 will cause it to auto-size

I'm pretty sure that what you're seeing isn't tuning related, but rather
it's that you're running out of ptys.  To fix this, you need to edit a line
in your kernel config from

  pseudo-device   pty             # Pseudo-ttys (telnet etc)

to read

  pseudo-device   pty     256     # Pseudo-ttys (telnet etc)

Rebuild your kernel (see Chapter 9 of the handbook for info on rebuilding
your kernels), and then when you have it installed, do the following as
root

  cd /dev/
  /bin/sh
  for i in 0 1 2 3 4 5 6 7; do sh ./MAKEDEV pty$i; done

Cheers - Erick

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