ports list pdf

Below is downloadable pdf document containing complete list (3498) of ports and they descriptions.

Ports

port testing utility

this port testing software might be useful tool for:
-developers who are working on b2b integration b/w different services and want to have tool to verify connectivity to third party servers.
-administrators who want to verify if certain servers (SQL/ftp/ssh) are up and available from work stations.
-for users who want to verify availability of specific services like msn/yahoo messengers inside network from their work stations.
We are working on mac-os version of this application.

port 68

Port 68 is port for BOOTP protocol.
This port should be normally closed on windows machine.
You can check if this sport open by using porttester and
specifying localhost as computername and 68 as port.

Port tester should return Port Not Available otherwise you have
to check computer with antivirus software , becase some backdoors may use this port.

There is more information from symantec website :
http://www.symantec.com/security_response/writeup.jsp?docid=2001-020114-5445-99

port testen

1.Download Porttester Anwendung von dieser Website (Download-Button auf der linken Seite).
2.Anwendung hat zwei Textfelder auf der Oberseite: eine für Server-Name oder IP ein anderes für Port.
3. Geben Sie den Servernamen und Port und klicken Sie auf [Test], um bestimmten Port auf dem Server zu testen.
4.Application zurückkehren wird "Port available", ob der Port ist auf diesem Server öffnen oder zurückkehren wird "Port is not available"
und Details der Verbindung Problem.

port 7

port 7 is an "Echo" port - sending back whatever it receive.
This port is normally closed on windows machine , but can be open on unix machines.

port 139

port 139 is 100% Windows machine's port and dedicated for "File and Printer Sharing" on a Windows machines.
This port is normally open on windows machine but should be open only in local network and
closed/bloked by firewall for outside connection.

Your computer could not connect to another console session on the remote computer because you already have a console session in progress.

You can use port tester to verify if computer you are connecting has Remote desctop service available.
1.Download porttester unzip and run (no installation required).
2.Specify computer name and port 3389 (RDP port)
If it will return "Port unavailable" that means there is no physical connection to remote
desktop service on target computer.