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i want to secure my web-server from hackers. what are the ways for secure my web server? . I need tight security. without admin permission no one can not access or hack my web-server

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What services and operating system are you running? –  h00j Jul 31 '13 at 8:23
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There are literally entire books on this kind of thing, and you'd likely need to read at least five to get a decent understanding of how this topic. This question is way too broad for a StackExchange site. –  Polynomial Jul 31 '13 at 9:16
    
sorry i am new to web server , that why i am asking like this. here after i didn't do like this –  tamil_arvu Jul 31 '13 at 10:01
    
@tamil_arvu If it was that easy to secure a webserver then there would be so few hacking cases and the security industry would have suffered from it :) –  HamZa Jul 31 '13 at 12:20
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closed as too broad by Adnan, NULLZ, Polynomial, Lucas Kauffman, Xander Jul 31 '13 at 13:53

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

2 Answers

Look at hardening checklists from NIST (https://web.nvd.nist.gov/view/ncp/repository) or hardening benchmarks from Centre for Internet Security (http://CISecurity.org).

Harden your operating system, harden your application server, securely develop your application, restrict user access, test your security controls.

As @polynomial says above, your question is very broad. Look at guidance from the above sites and identify what will work for your requirements.

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Hardening RPM based distros link

Take a look at this guide if you are using Ubuntu 12.04 LTS Part 1

always keep in mind that security is a ongoing processs and that there is no final state!

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Your second link is broken. –  HamZa Aug 5 '13 at 2:25
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@HamZa fixed :) –  enigma Aug 5 '13 at 9:48
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