Red Hat – Disable DNS Recursion (BIND)
Disable DNS Recursion KB ID 0000981 Problem I got a Tweet, to say the site was down. I checked and the VPS was off-line? So I powered it on and waited a few minutes. Linux is not one of my strongest technical areas so I did some Googling about what logs to check etc. When I looked in the var/log/messages log it was full of these, up to the point where it went down; Aug 7 03:51:52 MY-HOSTNAME named[490]: error (unexpected RCODE...
Event ID 128 – Certification Authority
KB ID 0001033 Problem Seen in the application log of a Windows Certificate Services server (Server 2012 R2) Log Name: Application Source: Microsoft-Windows-CertificationAuthority Date: 07/02/2015 15:55:26 Event ID: 128 Task Category: None Level: Warning Keywords: User: SYSTEM Computer: PNLPKI00v.petenetlive.com Description: An Authority Key Identifier was passed as part of the certificate request 29. This feature has not been...
Exchange 2019, 2016, 2013 – Allowing a Host/IP to Relay Mail
KB ID 0000891 Problem There a a few more hoops to jump through to allow a host to relay though Exchange 2013. For earlier versions of Exchange see the links below. Allow Relay from an IP With Office 365 (Exchange Online) Allow Relay from an IP with Exchange 2010 Allow Relay from an IP with Exchange 2007 Allow Relay from an IP with Exchange 2003 Allow Relay from an IP with Exchange 2000 Solution How to create a ‘Relay’...