HDDtemp

From Protocolinfo

HDDtemp is a Linux program that reports hard drive temperatures.

[edit] Identification

[edit] Ports

HDDtemp listens on TCP port 7634 by default, but can easily be configured to use other ports.

[edit] l7-filter

In the unlikely event that you need to identify this protocol, l7-filter provides the hddtemp pattern. It is well tested.