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Top Forums UNIX for Dummies Questions & Answers I have firewall rules to open ports, why telnet refuses connection? Post 302754525 by Corona688 on Thursday 10th of January 2013 04:37:07 PM
Old 01-10-2013
Is your telnet daemon listening on port 587? Not if you didn't tell it to. It would still only be listening on the traditional port number.
 

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UPSCLI_SPLITADDR(3)						    NUT Manual						       UPSCLI_SPLITADDR(3)

NAME
upscli_splitaddr - split a listening address into its components SYNOPSIS
#include <upsclient.h> int upscli_splitaddr(const char *buf, char **hostname, int *port) DESCRIPTION
The upscli_splitaddr() function takes a pointer to the raw UPS definition buf and returns pointers to dynamically allocated memory in upsname and hostname. It also copies the port number into port. FORMATTING
A listening address definition is specified according to this format: <hostname>[:<port>] Definitions without an explicit port value receive the default value of 3493. MEMORY USAGE
You must free(3) the pointer hostname when you are done with it to avoid memory leaks. RETURN VALUE
The upscli_splitaddr() function returns 0 on success, or -1 if an error occurs. SEE ALSO
upscli_fd(3), upscli_get(3), upscli_readline(3), upscli_sendline(3), upscli_splitname(3), upscli_ssl(3), upscli_strerror(3), upscli_upserror(3) Network UPS Tools 05/22/2012 UPSCLI_SPLITADDR(3)
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