On 07/24/2009 04:55 PM, Steve Grubb wrote:
> I don't think I explained it well. I was thinking what if you had this rule:
> 
> -A INPUT -Z cups_t -j ACCEPT
> 
> and then cups was compromised and started listening on port 80. Since the 
> above rule has no port restrictions and cups is allowed to accept 
> connections, 
> would cups now be able to start serving web pages?
> 
> -Steve

That would be a bad rule. The Apache example I posted only makes sense because 
Apache can be listening on pretty much any port anyway (every http deployment I 
see is stranger than the last). For cups it is a lot rarer for an admin to 
configure a strange port, so we'd want to combine -Z with further rules like 
port and host restrictions.

--CJD

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