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Archives | Hans' Place

An Argument for Moving Your SSH Port off 22

Whether or not one should move their SSH off port 22 is a hot discussion topic in security circles. The prevailing (and correct) belief is that changing the SSH port is a security by obscurity measure, because any attacker worth their weight in salt can just run a...

Defensible network architecture

For the nearly 20 years since Zwicky, Cooper and Chapman first wrote about Firewalls the firewall has been the primary defense mechanism of nearly every entity attached to the Internet.  While perimeter protection is still important in the modern enterprise, the fact...

SSL Certificates for Internal Server Names

After November 1, 2015 Certificates for Internal Names Will No Longer Be Trusted In November 2011, the CA/Browser Forum (CA/B) adopted Baseline Requirements for the Issuance and Management of Publicly-Trusted Certificates that took effect on July 1, 2012. These...