On Tue, 27 May 2003, Roberto Basso wrote:

> Does anybody know how can i check if an http server/application is working
> through the http port number?

Sure, request a page and see if curl returns an error or not. No error =
working fine.

> I have six port numbers to check because i would like to understand why
> sometimes i cannot download page of my site,suspecting it's not working,and
> using other monitoring products i seems all right.   I didn't find any curl
> option to do this..

I would write a shell script:

#!/bin/sh

# untested code

for port in 21 34 45 56 67 80; do

  curl "https://mysite.com:$port/page.html"
  if [ $? -ne "0" ]; then
    echo "curl return $? which means port $port does not really work"
  fi
done

-- 
 Daniel Stenberg -- curl: been grokking URLs since 1998
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