Cory Petkovsek ([EMAIL PROTECTED]) wrote:
>
>On Fri, Jul 18, 2003 at 09:45:37AM -0700, Cooper Stevenson wrote:
>> The Goal: build a server that will effectively filter spam, deliver
>> email, and provide convenient remote access to corporate data. The
>> server may or may not be behind a firewall, so security is of primary
>> importance.
>> The Solution:
>>
>>   Postfix + Spamassassin + UW IMAP + Samba + Apache Web Server +
>> SquirrelMail
>Without another firewall, the server itself should be the firewall by
>compiling in netfilter.  Netfilter should be here in order to block
>ports that are not allowed open, even if the daemon needs to be running.
>
>> This configuration allows business travelers and office workers alike
>> the ability to access their email and server file shares from anywhere
>> on the Internet, including their homes. Please refer to the following
>> links:
>Accessing a samba share across the internet is not secure.  Since you
>mention it may not be behind a firewall, this means samba is available
>to the internet.  Bad idea.  This is because LM and NTLM are not secure.
>The former is easily crackable and both are replayable.  I would not
>implement this over the public internet if I were you.  NTLMv2 which
>uses 128bit encryption and negotiated keys should be required and all
>lesser protocols refused.  This means specially configuring each win9x
>client to support ntlmv2 (installing new patches) and configuring nt/2k
>clients to only send ntlmv2 and configuring samba to use only ntlmv2.
>However Samba 2.2.8a does not support it yet!  Therefore you cannot do
>this securely.
>
With phpGroupWare you don't need to expose Samba to the internet  Not only does it
include SquirrelMail but you also have a filemanager, shared addressbook, shared
calendar and a ton of other shareable modules that you may or may not be interested in.

>SNIP some really good stuff.

--
Bob Crandell
Assured Computing
When you need to be sure.
[EMAIL PROTECTED]
www.assuredcomp.com
Voice - 541-689-9159
FAX - 541-463-1627
Eugene, Oregon


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