A lot of people are not using Adobe-brand  PDF software on their Windows computers. Without the proper pre-configuration their software may not open PDFs unless they have a ".pdf" extension. I was using Nuance PDF Converter Professional to access the Pacer court web site and every time I would try to download the file I would have to rename the show_temp.pl file to show_temp.pdf before I could get it to open. I discovered that the Pacer web site using a Perl (.pl) script to serve the file, but the script does not redirect to a new URL with a .pdf extension but rather serves the data up on the fly with the MIME type set to "application/pdf". For some reason the installation of PDF Converter that I was using did not set this MIME type upon installation.

The path in the registry to set the application/pdf MIME type is HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/pdf. I had to create the "application/pdf" subkey, add a string named "Extension" and set its value to ".pdf". Below is the reg file to do this automatically. Hope this helps someone; comment below if you need assistance.

Registry file

After installing ntop 4.0.3 I noticed that I could not get the hostnames to show in the hosts table. This was despite not having specified the -n or the -g flags. After lots of searching, I found that disabling IPv6 would change the run-time configuration to DnsResolution for all. I didn't see any other articles on the Internet about this so I wrote this to hopefully save you some time.

Here's a simple script to calculate the broadcast address of a network using its IP address and subnet mask (VBScript)

subnetMaskBytes = Split("255.255.255.0", ".")
ipAddressBytes = Split("10.1.122.100", ".")

broadcastAddress = (ipAddressBytes(0) Or (subnetMaskBytes(0) Xor 255)) & "." & (ipAddressBytes(1) Or (subnetMaskBytes(1) Xor 255)) & "." & (ipAddressBytes(2) Or (subnetMaskBytes(2) Xor 255)) & "." & (ipAddressBytes(3) Or (subnetMaskBytes(3) Xor 255))

Here's how to create multiple VLANs on a Linux machine running on a VMWare server. I did this to run arpwatch to monitor IP conflicts on our LAN. Be sure not to send any traffic out these interfaces unless you intend it to broadcast to all attached NICs.

In VMWare:
1) Click on the server root node, and choose the Configuration tab
2) Select the properties for the NIC that you want to use VLAN tagging on
3) Select Edit to enable Promiscuous Mode

Then in Linux:

4)

# First bring up interface
ip link set eth1 up
# Add VLAN tagged interfaces
ip link add link eth1 name vlan6 type vlan id 6
ip link set vlan6 up
ip link add link eth1 name vlan22 type vlan id 22
ip link set vlan22 up
ip link add link eth1 name vlan23 type vlan id 23
ip link set vlan23 up

If you have any questions, post in the comments below.