Infrastructure

Some devices will favour IPv6 when configured, which is great, however there are sometimes that you want a device to only resolve either the v4 or v6 addresses.

It’s sometimes useful to be able to match ports on a system to those on a switch from both sides.

What is Openhab?

In the modern web application world, a large proportion of sites are using SSL Offloading, be this for the added security of the web servers not having the SSL private key on them (and hence if compromised the certificate is not necessarily compromised as well) or for the performance boost associated of using hardware accelerators.

Frequently in my line of work I’ll be asked about filtering of outbound traffic from application servers.

SSL Certificates are a source of huge amounts of confusion.

A while back I mentioned a follow up to an old blog post about the RouterBoard that i’d recently purchased and setup for home use.