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Network Security Focus-Linux
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Re: Securing Fedora Core 4

Subject: Re: Securing Fedora Core 4
Date: Thu, 22 Sep 2005 18:17:58 +1200
Hello.

I suggest that rather then going in 'boots and all' that you take some time to 
study and carefully consider the following:

1. What are the threats? (Threats aren't just network, they could be physical 
as well)
2. What are the appropriate methodolgies for hardening against these threats?
3. And importantly - what is SECURITY?
SECURITY is more a mindset and manner of operation then it is installaing a 
whole lot of software (which it appears doubtful to me that you understand 
the scope and opperation of the software that you list)

Having a perception of security, if devoid of reality (which you can only 
properly evaluate after careful consideration of points 1, 2 and 3 and a lot 
of experience) could be more dangerous then just leaving your system alone.

Kind regards,

Michael Hallager

I am trying develop a method to secure my servers.  I'll list the steps I
am going to take.  Can you please review and make any additional
suggestions.  Thank you.

Install & configure Tripwire  http://sourceforge.net/projects/tripwire/
Install & configure Snort     http://www.snort.org/
Install & configure Bastille  http://www.bastille-linux.org/
Install & configure LIDS      http://www.lids.org/
Install & configure modsecurity       http://www.modsecurity.org/
Install & configure chkrootkit        http://www.chkrootkit.org/
install dansguardian          http://www.dansguardian.org
install squid                 http://www.squid-cache.org/
Install & configure DCC               http://www.dcc-servers.net
Install & configure Pyzor     http://pyzor.sourceforge.net
Install & configure Razor     http://razor.sourceforge.net
install & configure Clamav    http://www.clamav.net
Install & configure MailScanner       
http://www.sng.ecs.soton.ac.uk/mailscanner/
Install & configure Ntop      http://www.ntop.org/
Install & configure Spamassassin      http://spamassassin.apache.org/
install root access email command
create a seprate /tmp partition and mount noexec, nosuid

   Configure Apache
configure for php safe mode
configure /internal web directory w/ access from private network only
configure /external web directory w/ password authentication

   Configure SSH
respond on alternate port
only allow me to logon

   Configure Fireall:
only allow access to ssh from my domains

-- 
Michael Hallager
networkStuff ltd
www.networkstuff.co.nz | p.09.839.1000 | m.029.638.7883

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