CentOS TFTP Server (Install and Configure)
CentOS TFTP Server KB ID 0000998 Problem I needed to back up a Cisco firewall, and perform an upgrade remotely, despite my best efforts to use the ASDM and update via http, I had to go ‘old school’ and bring up a TFTP server on one of my CentOS Linux servers. Solution CentOS TFTP Server 1. Log onto the server and install the xinetd TFTP Server. Execute the following command and follow the on-screen prompts. Using username...
Event ID 3
KB ID 0000341 Problem Event ID 3 Source: SystemServiceModel Error: WebHost failed to process a request. Sender Information. Exception: System.ServiceModel.ServiceActivationException: The service ‘/EWS/exchange.asmx’ cannot be activated due to an exception during compilation. The exception message is: Security settings for this service require ‘Anonymous’ Authentication but it is not enabled for the IIS...
Create a Shared Folder that Requires ‘No Password’
KB ID 0000857 Problem The title may raise an eyebrow, in a time when people are concerned with hardening their servers and making things more secure, why would you want a shared folder anyone can access without a password? Well because most of us operate in the real world where the biggest secret on our network is ‘who has not paid into the biscuit fund?’ I have a folder on my test domain that I use for sharing files and...
SBS – No Incoming Mail ‘421 4.3.2 Service not available’
KB ID 0000803 Problem While testing mail flow on a new SBS 2011 Server, outbound mail worked fine, but no mail would flow in. When I attempted to Telnet in from a remote host this was what I saw; 421 4.3.2 Service not available Connection to host lost. Solution Normally I’d expect to see an error like this if the Exchange ‘Receive Connector’ was misconfigured, (if you’re not using SBS 2011 create a new default...
Allow a Server to “Relay” Through Microsoft Exchange
KB ID 0000542 Problem Back in the early days of email, just about all mail servers let you relay mail though them. That was fine until someone worked out you could then get someone else to send out your “spam”, and they would look like the guilty party. Even today people misconfigure their Exchange servers and make them an open relay. But what happens if you have a particular server or machine that you want to let use your...