Also take a look at the NIST server hardening guidelines as they are
comprehensive.

Mike Hale
<eyeronic.design@
gmail.com> To
Sent by: "Littlefield, Tyler"
listbounce@securi <tyler (at) tysdomain (dot) com [email concealed]>
tyfocus.com cc
security-basics (at) securityfocus (dot) com [email concealed]
Subject
06/20/2012 02:13 Re: server security
PM

Double check that IPTables loads on start. I made that mistake once. ;)

Also, follow the NSA Red Hat guide (if that's what you're using).
It's pretty useful.

www.nsa.gov/ia/_files/factsheets/rhel5-pamphlet-i731.pdf

On Wed, Jun 20, 2012 at 10:27 AM, Littlefield, Tyler
<tyler (at) tysdomain (dot) com [email concealed]> wrote:
> Hello:
> I have a couple questions. First, I'll explain what I did:
> I set up iptables and removed all unwanted services. Iptables blocks
> everything, then only opens what it wants. I also use the addrtype module
to
> limit broadcast and unspec addresses, etc. I also do some malformed
packet
> work where I just drop everything that looks malformed (mainly by the
> flags).
> 2) I secured ssh: blocked root logins, set it up so only users in the
> sshusers group can connect, and set it only to allow ppk.
> 3) I installed aid.
> 4) disabled malformed packets and forwarding/etc in sysctl.
> This is a basic web server that runs email, web and a couple other
things.
> It's only running on a linode512, so I don't have the ability to set up a
> ton of stuff; I also think that would make things more of a mess. What
else
> would be recommended?
> Also, I'm looking to add something to the web server; sometimes I notice
> that there are a lot of requests from people scanning for common urls
like
> wordpress/phpbb3/etc, what kind of preventative measures exist for this?
>
>
> --
> Take care,
> Ty
> http://tds-solutions.net
> The aspen project: a barebones light-weight mud engine:
> http://code.google.com/p/aspenmud
> He that will not reason is a bigot; he that cannot reason is a fool; he
that
> dares not reason is a slave.
>
>
> ------------------------------------------------------------------------

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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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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
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