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Re: Re: [Gnump3d-users] Is port 80 a security issue when root?

From: linuxhippy
Subject: Re: Re: [Gnump3d-users] Is port 80 a security issue when root?
Date: Tue, 12 Feb 2008 11:42:05 -0600 (CST)

>From: Benjamin Peter <address@hidden>
>Date: 2008/02/12 Tue AM 10:50:00 CST
>Cc: address@hidden
>Subject: Re: [Gnump3d-users] Is port 80 a security issue when root?

>address@hidden wrote:
>> I want to run my gnump3d server on the typical port 80 so that my users 
>> don't need to type in ports and some firewalls don't block access to my 
>> server.  I've been running it in Slackware Linux for about 2 years now.  I 
>> changed /etc/gnump3d/gnump3d.conf so that port is 80 but saw the comment in 
>> there that the user has to be root to run on port 80.  Why?  Is running the 
>> server as root with a command line only interface and iptables firewall a 
>> security issue?
>this is a Linux restriction, only privileged users may open incoming
>ports from 1 to 1024.
>A work around from an implementation point of view would be to open the
>port as root and then fork to an unprivileged user to serve the clients.

I see the how does root open a port for other users?  After this 
is done, would I just use gnump3d.conf set up with user nobody on port 80?


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