Ubuntu server security; Is this enough?

Posted by Camran on Server Fault See other posts from Server Fault or by Camran
Published on 2010-05-27T07:23:39Z Indexed on 2010/05/27 7:33 UTC
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linux

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apache

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ubuntu

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security

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server

I have a classifieds website, which uses php5 and mysql, and also java (solr).

I am new to linux and VPS...

I have installed SSH, and I have installed IPtables, and also I have PuTTY which I use as a terminal. Also, Filezilla is installed on my computer, and whenever I connect to my VPS, the "host" field in Filezilla says "Sftp://ip-adress" so I am guessing it is a safe connection.

I used this command to find out if I had SSHD installed:

  whereis sshd

and it returned some places where it actually was installed. So I havent actually installed it.

Now, my Q is, is this enough?

What other security measures should I take?

Any good articles about security and how to set it up on a VPS?

Remember, I have a windows xp OS on my laptop, but the OS for my VPS is Ubuntu 9.10.

Also, I have apache2 installed...

Thanks

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