[tech] Firewall

David Adam zanchey at ucc.gu.uwa.edu.au
Thu Feb 1 14:13:38 WST 2007


On Thu, 1 Feb 2007, Paul Marinceu wrote:
> Hi all,
>
> So I was nmapping access.ucc.asn.au the other day and was quite surprised
> when it returned an endless list of open ports. Couple of questions:
>
> - why is that so? (something to do with Bright's firewall or a UCC thing?)
> - if it's by design, then what's the purpose?

All ports on ssh.ucc.asn.au (which is a CNAME to access.ucc.asn.au)
are DNATed to martello:22.

The reasoning is left as an exercise to the reader.

David Adam
UCC Wheel Member
zanchey at ucc.gu.uwa.edu.au


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