Application status 1

[inunix]

One of my application running as a service(say port: 1404) in unix.

How do I check the availability of my application.?

 

[newmangj]

You could run a script that periodically uses nmap to test whether the port is open. (nmap -p 1404).

This will tell you whether the application (or any application) has opened the port for receive.It will not tell you that the "upper" layers of the logic of your code are working though.

You say "your" code - if you mean by this that you wrote the cod and therefore have access to the source code then assuming that the application accepts messages from clients, processes them and then returns a response it should be possible to write a "loopback" transaction where a client sends a known message to the application and gets a known response back.

Once you've done this you could write a script that uses the Expect product in conjunction with Telnet (to port 1404) to periodically send the "loopback" message and test for a valid response.

Let me know if you want to explore this line of thinking more fully and I'll post more detailed information.

Cheers - Gavin

 

[Salem]

List all the ports which are listening with the

netstat -l

command.

 

[inunix]

Thanks Salem.

Hi Gavin,

Your assumptions are right. It is not my code. It is a third party tool. It is register for the port# 1404.

I just wanted to find out, whether the port is active and my application is listening to that port.

I'm not that good at networking, so I'm not able to explain it it more technical terms.

Hope your understood my requirement.

Thanks.
SSK

 

[PHV]

You can download lsof at ftp://vic.cc.purdue.edu and then trying something like this:

lsof -i :1404

to see all the process concerned by this port#

Hope This Help
PH.

 

[inunix]

My unix box is Sun solaris.

I tried
netstat -l
and
nmap -p 1404

Both did not work.

Also PHV, I'm not able to get into the site you have given.

 

[PHV]

And this ?
ftp://vic.cc.purdue.edu/pub/tools/unix/lsof/binaries/sun/solaris/
Or this ?

http://dcsearch.sun.com/search/sfw/index.jsp?qt=lsof&qp=&qp=

Or google search ?

Hope This Help
PH.