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    Re: Will using iptables secure Ubuntu?

    i don't feel qualified to say whether those rules are or are not sufficient. it must be 15 yrs since i did anything directly w/ iptables that wasn't part of a recipe. Sorry. Most of the time, i...
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    Re: Will using iptables secure Ubuntu?

    Sorry. Perhaps i wasn't clear. iptables is still used. CNF is just a script to create the iptables rules. CNF handles all the things you and i don't remember or don't know are necessary for a...
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    Re: Will using iptables secure Ubuntu?

    Do you really want to try and manually setup all the stuff yourself? There are a number of firewall script tools. CNF is one that is well-regarded and used by professionals:...
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    Re: Will using iptables secure Ubuntu?

    The only way to see what the outside world sees is to run a port scan using an external address, not on the system. Use nmap for that.

    On the same machine, we can ask netstat.

    # Open ports with...
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    Re: Will using iptables secure Ubuntu?

    Securing a server isn't just a checklist. It takes smarts to think about all the different attack methods possible and restrict access for any of those attacks for only the people who need access. ...
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    Re: Will using iptables secure Ubuntu?

    We usually don't abbreviate common words here that aren't common technical terms. Clarity is important.

    Be certain you know how to access the console on the VPS before doing too much with the...
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    Re: Will using iptables secure Ubuntu?

    Firewalls aren't the only part to running a secure system, thought they are extremely important.

    Don't use passwords for authentication, use keys. Especially for ssh.
    Don't run unnecessary...
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