Telnet test batch file

When troubleshooting client connectivity issues to a TCP service, another possible scenario is the following:. In this other scenario, telnet is not returning any message. This case is more difficult to troubleshoot because it could be either that:. In this case, further troubleshooting is required, such as verifying with a traceroute from the client side where the connection is interrupted or getting in touch with the administrator of the remote host to ask whether the remote service is running and allowed by any firewall in between.

Before concluding this post, I would like to explain two important concepts related to firewalls …. A host firewall runs on a computer, or server, to block or allow incoming connections to specific local services.

The goal of such firewall is to protect the host itself where the firewall is running. Most modern operating systems, like Windows, Mac, or Linux, have available such a service.

A network firewall is a dedicated device that is installed on a specific network segment to protect one or more private networks that reside behind it. Network firewalls are sophisticated appliances that can inspect a large amount of throughput data adding little delay. Office Office Exchange Server. Not an IT pro? Windows Server TechCenter. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. When it gets to the telnet portion, it doesn't enter the passwords.

ECHO Done. This batch file is being used in windows. April 20th, , AM 2. Hi papalokey By running telnet, your script passes the sceptre of power to telnet. It will wait until telnet exits. Well, windows shell is not unix shell But still, you can do a lot with it! For me, the most practical way is to create a WScript in a batch-file, making use of the SendKeys method.

See a recent example[1] I have written a couple of days ago. Good luck. If the only tool you have is a hammer, you tend to see every problem as a nail.