Linux Security

Hello,

I just setup Redhat linux 6.1 as a proxy server using squid.  I seriuosly doubt that linux is a secure nos out of the box so my question is what steps do I need to take in order to make linux secure from outside (or inside) attacks.  Not just as a proxy server but as a web/db/file server.  I haven't seen any real step by step procedure for securing linux with respect to it's role.  I'm not looking for a bunch of links or documents that discuss linux security but offer no real information.

Thanks,

Joe
jvieiraAsked:
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ohad23Connect With a Mentor Commented:
Hi,
you can read all about it in: http://freshmeat.net/news/2000/02/09/950085316.html
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kufelCommented:
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jvieiraAuthor Commented:
I don't want to use linux for a firewall.  In fact I already have a firewall.  What I need is information on securing the Linux OS.  If I use my linux box as a web server without changing the default settings I'm sure I would be open to numerous types of attacks (ie DoS).  The same would go if I used it as a DB server and so on.  I was looking for information on how to secure linux depending on it's role.  The steps to secure a web server would not neccesarily be the same steps to secure a DB server.

Thanks,

Joe
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jvieiraAuthor Commented:
Thanks
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