FortiGate DNS: Serving DNS Databases
Fortigate DNS KB ID 0001796 Problem A colleague rang to ask if I had any thoughts about a problem that they were having, we do a lot of VMware VCSA upgrades for customers, the process fails if there is no DNS resolution of the FQDN during the upgrade process. We had tried to fix the problem by creating hosts records (typically we don’t have access to the client’s DNS servers that run in the virtual environment). I had...
Remote Desktop Services: Balancing Sessions Hosts and Connection Brokers
KB ID 0001424 Problem I got an email from a colleague who was setting up an RDS farm, (2012 R2). He was having some problems and asked me; “If the Connection Broker brokers the connections to the Session Hosts, how do I RDP to the Session Broker?” This threw me completely, I usually jump on the console in VMware or use a third party remote management tool, I don’t tend to to RDP onto servers. I had fallen into the...
Postfix – Change The ‘Welcome Banner’
KB ID 0000907 Problem After my recent DNS troubles, I was checking my mail server’s (MX) records, and got a warning about not having any reverse lookup records (PTR) configured properly. I telnetted to the mail server on port 25, and saw it was responding with the servers host-name. I know my records are correct for the FQDN of the server, I just needed to change its welcome banner. Solution Change the Postfix Welcome Banner by...
Setting up the Correct DNS Records for your Web or Mail Server
KB ID 0000567 Problem Simply purchasing a domain name is not enough to get email flowing in your direction, and people onto your website. you also need your DNS Records to point to your IP address(s) as well. For those people, that needs either an email or fax (on company headed note paper) to request that these records be set up correctly. You will need to send this request to your ISP (or whoever is hosting your public DNS...