Apple OSX Server Firewall

My Apple OSX server (Mountain Lion) at home is the centre of my network and entertainment system. It provides provides the following services:

DNS
DHCP
VMWare Server platform (VMWare fusion)
Air Video HD Server (for streaming video over the network)
General Internet download station

Since several (soft-, and hardware) upgrades and redesigns of my internal network (from a single VLAN to a multi-VLAN with firewall services and traffic inspection) several services failed under certain circumstances. E.g. Air-Video would work internally where the client was in the same network as the OSX server network interface. But trying to connect through the SSL VPN stopped working for some reason. Also, the VNC Viewer did work in the old days, but stopped working over time. Same for several static NAT entries; worked before, and stopped working without 'no reason'. Other services like ssh did work in the old and new network design....

Apple OSX DHCP Server Challenges

The last week, I've been experimenting with the Juniper Mobility System Software (MSS) in conjunction with two Juniper/Trapeze Access Points (type WLA522E). The MSS software is a Wireless LAN Controller (WLC) with manages the Access Points, and like so many Juniper Product; it can run in a virtual machine.

For the AP's to boot / connect to the network they need some basic information about where to find the WLC from which they receive their wireless settings. This can be done through DNS, or through DHCP. The first uses specific DNS records, and the latter uses DHCP Options (option 43 to be precise). I wanted to use the latter (which is a bit more challenging).

Installing Adobe Coldfusion 9 on OSX Server 10.6.4

After Apple updated the Mac mini to it's current form (mid 2010), I decided that it was time to start replacing my 'faithful' Windows 2003 server with something a bit less power consuming. The original Mac Mini was basically a consumer device, but a while back, Apple released a server version of the device. The main differences are:

Only 1 CPU model available (2.66GHz at this moment)
No DVD drive
2 * 500GB internal disks
OSX 10.6.4 Server edition (unlimited clients)

Basically everything you could ever need for a server with a very small footprint.

The installation of Coldfusion is not straight forward. Not that I expected it to be [1], [2], [3], but one keeps hoping on an installer that actually installs the complete package, and where you don't have to edit files yourself to get it to work. It's not that it's the very first version of the scripting engine......

Anyway, the installer guides you through everything needed to INSTALL the software. Getting it to work comes next....

Internal Server Errors

I've been experiencing some 500 errors on my blog (HTTP Error 500 - Internal server error). During these occasions, the SymCAImport tools seems to work fine, while the Wordpress installment hogs. So PHP screw-ups are less likely.

A brief conversation with the support department @ Dreamhost, suggested a Wordpress theme/plugin malfunction. So I downloaded the latest theme version, and deactivated most plugins. Let see how long thing keep working.
Anyone other ideas?

UPDATE: Got additional information from Dreamhost about the 500 errors. It seems that there was a 'naughty' person clogging up the cluster/server resources.

Posted on June 1, 2009 by Willem and filed under Annoying, Website, WordPress and tagged dreamhost errors server.