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Security Basics
unknown IP delivering DHCP Apr 13 2012 09:48AM Dirty Mortain (dirtymortain gmail com) (3 replies) Re: unknown IP delivering DHCP Apr 16 2012 01:12PM Ansgar Wiechers (bugtraq planetcobalt net) (2 replies) |
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Don
On Fri, Apr 13, 2012 at 3:18 PM, Dirty Mortain <dirtymortain (at) gmail (dot) com [email concealed]> wrote:
>
> Hello.
>
> In my LAN I'm using the network 192.0.0.0/24 with a DHCP (192.0.0.14)
> delivering for the entire LAN through 3 smart switches.
> Yesterday I found a machine which have received 192.168.2.3 as DNS
> server by the DHCP, in 192.0.0.14 there is no configuration pointing
> to this so I tried to find that machine.
> It looks like a Linux 2.4 box which had 80 open with HTTP
> authentication (default admin/admin but changed) and DHCP open which
> only delivers DNS (overwrites 192.0.0.14, it always reply after it).
> Since switches are "smart" (not that smart indeed) I have no
> configuration interface where I could create a VLAN and/or block that
> MAC. Because it is a broadcast I cannot block it on the firewall
> (since it doesn't pass through it) what can I do to both know which
> machine is it (a smart and humanized machine) and block it?
>
>
> Thanks.
>
> ------------------------------------------------------------------------
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------------------------------------------------------------------------
Securing Apache Web Server with thawte Digital Certificate
In this guide we examine the importance of Apache-SSL and who needs an SSL certificate. We look at how SSL works, how it benefits your company and how your customers can tell if a site is secure. You will find out how to test, purchase, install and use a thawte Digital Certificate on your Apache web server. Throughout, best practices for set-up are highlighted to help you ensure efficient ongoing management of your encryption keys and digital certificates.
http://www.dinclinx.com/Redirect.aspx?36;4175;25;1371;0;5;946;e13b6be442
f727d1
------------------------------------------------------------------------
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