I was updating my network to use a different subnet and realized that the last time I did that, my HP printer stopped working because a lot of the network drivers set the IP address into the printer settings.
So I figured that maybe I would need to update the printer’s IP address on my Mac. I looked at the printer settings and didn’t see anything that might work.
If your organization is like most, they will have sites that use a self-signed (or untrusted authority) certificate.
In cryptography and computer security, a self-signed certificate is an identity certificate that is signed by the same entity whose identity it certifies. This term has nothing to do with the identity of the person or organization that actually performed the signing procedure. In technical terms a self-signed certificate is one signed with its own private key.
I logged into a newly provisioned VM recently to see a message that there had been 86,876 failed login attempts from a domain in another country.
Last failed login: Sat Sep 13 04:02:20 <a class="zem_slink" title="Coordinated Universal Time" href="http://en.wikipedia.org/wiki/Coordinated_Universal_Time" target="_blank" rel="wikipedia">UTC</a> 2014 from 22.214.171.124 on ssh:notty
There were 86876 failed login attempts since the last successful login.
That got me to looking for best practices on securing Linux against attacks, and looking for help from RackSpace (one of the better Cloud hosting providers). Continue reading