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zhak n00b
Joined: 04 May 2015 Posts: 21
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Posted: Wed May 20, 2015 11:25 pm Post subject: Do I need SELinux and firewall under VMWare with NAT |
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Hi guys,
I'm new to linux and networking, and try to configure kernel to use under vmware.
I'm not sure if I need to enable and configure firewall and SELinux if I use NAT networking. As I understand it, if IP is shared with the host (Win system), then there's no need in additional firewalling?
Thanks in advance for any feedback |
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charles17 Advocate
Joined: 02 Mar 2008 Posts: 3664
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Posted: Thu May 21, 2015 4:41 am Post subject: |
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Depends on if you trust the host's firewall. |
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NeddySeagoon Administrator
Joined: 05 Jul 2003 Posts: 54096 Location: 56N 3W
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Posted: Thu May 21, 2015 6:34 pm Post subject: |
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zhak,
Gentoo runs nothing by default, so you won't have any listening services until you start them.
This means you can add a firewall later if you wish.
Your firewall can work both ways. It can keep bad things out and stop them phoning home if they do get in.
It all depends on your requirements.
Either way, you can add it later.
SELinux is a whole world of pain on its own. Learn Gentoo first. Get to know what it offers.
Make up your mind what threats you want to defend against then pick a security system that can defend against those threats.
Keep in mind that there is a security/usability trade off to be considered.
If you are worried about network threats, don't use the network. Thats an extreme illustration.
Also, security is not absolute. If a government wants your secrets, they can kidnap you and beat them out of you.
The general idea is to make it difficult for casual attackers to get in, so they go and attack a less secure system.
There are lots of 'script kiddies' out there who will scan and attack large IP ranges on any internet connected system.
A firewall is a part of the defence but not all of it. Most important is good housekeeping.
Use strong passwords, or don't use passwords at all - use keys. Disable remote root logins.
You don't need either a firewall nor SELinux - yet. _________________ Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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