Great Circle Associates Firewalls
(April 1996)
 

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Subject: Re: Dial-up danger
From: Ben <adept @ cep . yale . edu>
Date: Sat, 20 Apr 1996 20:23:51 -0400 (EDT)
To: "Danny L. Shadix" <shadixdl @ gccs . cpf . navy . mil>
Cc: "'firewalls @ GreatCircle . COM'" <firewalls @ GreatCircle . COM>
In-reply-to: <01BB2864 . F1EB7040 @ gccs125 . gccs . cpf . navy . mil>

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On Fri, 12 Apr 1996, Danny L. Shadix wrote:

> Reading a recent posting brought up a question.  If you are keeping logs of 
> the dial-up activity so you'll see any attempts to guess passwords and if 
> you control the passwords that are allowed, what is the major risk of 
> having direct dial-ins?

What if someone actually SUCEEDS in hacking the system on a weekend?  
They've can have up to  48 hours until someone notices, and by then, 
unless you're spewing WORM or paper, they will have wiped the logs and 
been gone with no one the wiser.

You should NEVER allow direct dial-ins to behind the firewall with simple 
password security.  Only if you're using some sort of strong 
authentication should you even consider it(some firewalls support things 
like SecureID or S/Key).

Ben.
____
Ben Samman .
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 samman @
 cs .
 yale .
 edu
"Si ce que dit Proust est vrai, a savoir que le bonheur est l'absence de
passion, alors je ne connaitrai jamais, le bonheur.  Car je suis habite
par la passion de la connaissance, de l'experience et de la creation."
							--Anias Nin



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References:
  • Dial-up danger
    From: "Danny L. Shadix" <shadixdl @ gccs . cpf . navy . mil>
Indexed By Date Previous: Re: BoS: DNS Spoofing and Java
From: Dan Stromberg <strombrg @ hydra . acs . uci . edu>
Next: Security Lists..
From: Bhalla <bhalla @ wwonline . com>
Indexed By Thread Previous: Dial-up danger
From: "Danny L. Shadix" <shadixdl @ gccs . cpf . navy . mil>
Next: Firewalls-Digest V5 #225 -Reply
From: Tom James <TJAMES @ chiltonco . com>

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