[CentOS] Port 631 closed, not hidden

John R Pierce pierce at hogranch.com
Thu Nov 22 08:47:08 UTC 2007

Miark wrote:
> I have the firewall turned on my CentOS 5 box, but GRC is
> reporting that 631 is closed instead of stealthed. If the
> firewall isn't configured to allow that, then why might that
> be happening?

that GRC port scanner is not something I'd rely on.     use a shell 
account somewhere, and nmap to portscan yourself.

anyways, WTF 'stealth' ?    ports are SUPPOSED to return "NAK" ...   
IMHO, 'stealth' is complete and total BS, dropping request packets does 
nothing useful.

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