certificate


Ubiquiti EdgeMax EdgeRouter Lite 4
When I installed a UBNT UniFi Access Point Pro (UAP-PRO) in my house, I also decided to try out a new router: Ubiquiti’s EdgeMAX EdgeRouter. I chose their PoE version so I could run some powered web cams, but for most home or small office installations, I recommend their EdgeRouter Lite router: […]

Install an SSL Certificate on a Ubiquiti EdgeMAX EdgeRouter


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One recommended way to help secure your Postfix mail server is enabling TLS (Transport Layer Security) for connections to and from Postfix. You can search for more detailed descriptions of exactly how TLS works, but basically it’s a crypotgraphic protocol that allows connections between systems to remain secure. It relies on a key […]

Configure Postfix TLS with a Free StartSSL Certificate


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A while back, I noticed a recurring error in my maillog that read: postfix/smtp: certificate verification failed for gmail-smtp-in.l.google.com[74.125.53.27]:25: untrusted issuer /C=US/O=Equifax/OU=Equifax Secure Certificate Authority If you’re seeing this too, there’s an easy fix.

Fixing Postfix “certificate verification failed for gmail untrusted issuer” Error ...



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One of my web servers sent me this email this morning: Subject: The certificate for ServerName.com has expired ################# SSL Certificate Warning ################ Certificate for hostname 'ServerName.com', in file (or by nickname): /etc/pki/tls/certs/server.crt The certificate needs to be renewed; this can be done using the 'genkey' program. Browsers will not […]

Renewing a Self-Signed SSL Certificate on Fedora/CentOS