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lighthammer
Joined: 23 Apr 2010
Posts: 16
Location: West Coast
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| Posted: Thu Jun 17, 2010 8:26 am Post subject: Default Firewall settings |
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I have a LAMP setup with Ubuntu 9.10 and want to know if there is one command or the easiest way to simply block all ports on a firewall and open up only the ports that are required for web server functionality. (email, http, etc)
What ports and configurations does everyone have and/or recommend? I'm wanting to limit as many open holes as possible. Thanks. |
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obs
Joined: 07 Mar 2010
Posts: 1400
Location: Earth
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| Posted: Thu Jun 17, 2010 8:35 am Post subject: |
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The ports you need open depends on what you're doing, a LAMP stack you need 80.
Here's a guide to configuring a firewall for debian, which is pretty much the same as ubuntu
http://library.linode.com/networking/security-guides/arno-iptables-firewall-debian-lenny |
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hoopycat
Joined: 30 Aug 2008
Posts: 1294
Location: Rochester, New York
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| Posted: Thu Jun 17, 2010 9:30 am Post subject: |
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Or, take a look at ufw, which is documented in the Ubuntu Server Guide:
https://help.ubuntu.com/9.10/serverguide/C/firewall.html |
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