Nmap epmd-info NSE Script

Script Overview

Script source code: https://github.com/nmap/nmap/tree/master/scripts/epmd-info.nse
Script categories: default, discovery, safe
Target service / protocol: epmd
Target network port(s): 4369
List of CVEs: -

Script Description

The epmd-info.nse script connects to Erlang Port Mapper Daemon (epmd) and retrieves a list of nodes with their respective port numbers.

Epmd-info NSE Script Arguments

The epmd-info.nse script does not have any arguments.

Epmd-info NSE Script Example Usage

Here's an example of how to use the epmd-info.nse script:

nmap -p 4369 --script epmd-info <target>

Epmd-info NSE Script Example Output

Here's a sample output from the epmd-info.nse script:

PORT     STATE SERVICE
4369/tcp open  epmd
| epmd-info.nse:
|   epmd_port: 4369
|   nodes:
|     rabbit: 36804
|_    ejabberd: 46540

Epmd-info NSE Script Example XML Output

Here's a sample XML output from the epmd-info.nse script produced by providing the -oX <file> Nmap option:

 <elem key="epmd_port">4369</elem>
 <table key="nodes">
   <elem key="rabbit">36804</elem>
   <elem key="ejabberd">46540</elem>
 </table>

Author

• Toni Ruottu

References

• https://nmap.org/nsedoc/scripts/epmd-info.html
• https://github.com/nmap/nmap/tree/master/scripts/epmd-info.nse

See Also

Visit Nmap NSE Library for more scripts.

The epmd-info.nse script may fail with the following error messages. Check for the possible causes by using the code snippets highlighted below found in the script source code. This can often times help in identifying the root cause of the problem.

Error on receive: %s

Here is a relevant code snippet related to the "Error on receive: %s" error message:

42:	
43:	  local getline = stdnse.make_buffer(socket, "\n")
44:	
45:	  local data, err = getline()
46:	  if data == nil then
47:	    stdnse.debug2("Error on receive: %s", err)
48:	    socket:close()
49:	    return nil
50:	  end
51:	
52:	  local realport, pos = string.unpack(">I4", data)