Nmap Development mailing list archives

Re: Possible new device categories for service detection


From: doug () hcsw org
Date: Sun, 8 Feb 2009 23:47:23 +0000

OK here are the definitions I've been using for the device types
in the service probe file. Note that these don't include device
types found only in the OS DB. Maybe David can fill in those
ones (if there are any aside from "broadband modem").

I've prefixed some notes with ***s.

Doug






general purpose
A device without a specific intended purpose. These devices usually run a general purpose operating system like Windows 
or Linux and are capable of performing nearly any task. In the nmap-service-probes file these devices are indicated by 
a lack of a d// tag.

bridge
Devices that connect 2 or more networks together.
*** Suggest moving some of these to the WAP or router category

broadband router
A consumer device for connecting a network to the internet via cable, ADSL, fiber optics, etc. May provide services 
like Network Address Translation (NAT), a firewall, port forwarding, etc. 
*** Suggest splitting into "broadband router" and "broadband modem"

cluster
A device that coordinates a group of computers working together.
*** Suggest using specialized instead

firewall
A device dedicated to protecting other devices or networks. Usually these devices use inbound packet filtering but also 
may use outbound filtering or application level filtering.

game console
A consumer entertainment device intended primarily for playing video games. Examples are Nintendo, Xbox, Playstation, 
etc.

hub
A device that joins 2 or more network segments by re-broadcasting all traffic. These devices are distinct from switches 
which selectively transmit packets only to relevant destinations.

load balancer
A device that distributes inbound traffic to multiple devices to ease the load on those devices.

media device
A consumer device for watching media such as movies, television, pictures, etc. Examples: satellite TV systems, Video 
Disk Recorders (VDRs), music streaming devices.

PBX
Private Branch eXchanges are devices used for routing telephone calls to multiple phones in an organization. The 
telephones may be connected via Plain Old Telephone Service (POTS) or Voice Over IP (VoIP).

PDA
Portable Digital Assistants are handheld consumer devices used for organization, browsing the mobile web, playing 
games, etc.

phone
*** Suggest merge with PDA

power device
These are devices such as Uninterruptable Power Supplies (UPSs) or high-end surge protectors usually intended for 
data-centres.

print server
These are devices that connect a non-network capable printer to a network so it can accept print jobs via the network.

printer
Network enabled printers.

projector
Devices that illuminate a screen or a wall for a presentation.
*** Newish category. I think there are some projectors classified as specialized

remote managment
Devices usually installed in data-centres so that equipment can be managed or monitored remotely.

router
A device that connects multiple networks. They are distinct from hubs and switches because they route packets between 2 
different networks as opposed to extending one network.

security-misc
Any device intended to protect other devices or networks that doesn't fall into the category of firewall. Examples 
include email filtering devices, Intrusion Detection Systems (IDSs), Intrusion Prevention Systems (IPSs) etc.

specialized
The catch-all category. If a device doesn't fall into one of the other categories, it is specialized. Examples are very 
diverse and include everything from ethernet to serial bridges, oscilloscopes and other lab equipment, weather and 
climate monitors, and more.
*** Should ethernet->serial bridges be bridge category?

storage-misc
Devices for storing data and making it accessible to clients over the network. Sometimes these are known as Network 
Attached Storage (NAS) devices.

switch
A device that extends a network by selectively re-broadcasting packets. Switches are distinct from hubs which 
re-broadcast all packets.

telecom-misc
Device used by telephone systems that aren't PBXs. Examples include Digital Subscriber Line Access Multiplexer (DSLAM), 
Time Sharing User (TSU), and Integrated Services Digital Network (ISDN) systems.

terminal
A device with a keyboard and monitor with the primary purpose of communicating directly with a terminal server or 
mainframe which is generally more powerful than a "dumb terminal".

terminal server
A device that provides terminal facilities to clients over a network.

VoIP adapter
A device for providing Voice Over IP (VoIP) service that doesn't itself include phone facilities. A phone must be 
plugged into these adapters to place or receive calls.

VoIP phone
A device for providing Voice Over IP (VoIP) service that includes phone hardware.

WAP
Wireless Access Points are devices that clients can use to connect to a network without using physical wires. Usually 
these devices use radio technology like 802.11b but sometimes they may use infra-red or other technology.

webcam
A device that takes pictures with a camera, digitizes them, and makes them available over a network. This includes 
everything from consumer webcams used for internet chatting to Digital Video Recorders (DVRs) and professional security 
systems.
*** Suggest distinction between consumer webcams and security systems

X-ray machine
A medical device.
*** Suggest using specialized instead

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