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Full Discussion: Telnet failed to localhost.
Top Forums UNIX for Beginners Questions & Answers Telnet failed to localhost. Post 303011633 by Scrutinizer on Sunday 21st of January 2018 06:12:00 AM
Old 01-21-2018
You could try using netcat (or nc) instead with the -u option:
Code:
if nc -u localhost. 514 2>/dev/null <<< $'\n'; then
  echo udp port open
else
  echo udp port closed
fi


Last edited by Scrutinizer; 01-21-2018 at 08:07 AM..
 

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STOMP_SET_READ_TIMEOUT(3)						 1						 STOMP_SET_READ_TIMEOUT(3)

Stomp::setReadTimeout - Sets read timeout

       Object oriented style (method):

SYNOPSIS
public void Stomp::setReadTimeout (int $seconds, [int $microseconds]) DESCRIPTION
Procedural style: void stomp_set_read_timeout (resource $link, int $seconds, [int $microseconds]) Sets read timeout. PARAMETERS
o $link -Procedural style only: The stomp link identifier returned by stomp_connect(3). o $seconds - The seconds part of the timeout to be set. o $microseconds - The microseconds part of the timeout to be set. EXAMPLES
Example #1 Object oriented style <?php /* connection */ try { $stomp = new Stomp('tcp://localhost:61613'); } catch(StompException $e) { die('Connection failed: ' . $e->getMessage()); } $stomp->setReadTimeout(10); /* close connection */ unset($stomp); ?> Example #2 Procedural style <?php /* connection */ $link = stomp_connect('ssl://localhost:61612'); /* check connection */ if (!$link) { die('Connection failed: ' . stomp_connect_error()); } stomp_set_read_timeout($link, 10); /* close connection */ stomp_close($link); ?> PHP Documentation Group STOMP_SET_READ_TIMEOUT(3)
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