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There are three possible cause of a &quot;connection refused&quot; when trying to telnet to the system and they are:<br />
<br />
1) The telnet server isn't installed<br />
<br />
2) The telnet service isn't enabled<br />
<br />
3) A firewall (on the host or network) is blocking access to inbound telnet.<br />
<br />
Tell us more about which Linux you are using and we can provide hints to see where the problem is.
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There are three possible cause of a "connection refused" when trying to telnet to the system and they are:

1) The telnet server isn't installed

2) The telnet service isn't enabled

3) A firewall (on the host or network) is blocking access to inbound telnet.

Tell us more about which Linux you are using and we can provide hints to see where the problem is.

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it is linux 2.4.19<br />
I think it is not about the firewall.
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it is linux 2.4.19
I think it is not about the firewall.

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That tells me the linux kernel version but not the distribution &amp;&nbsp;version (SuSE, Mandrake, Redhat, etc). To be able to provide more that general assistance I really need to know which Linux variant you are using.
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That tells me the linux kernel version but not the distribution & version (SuSE, Mandrake, Redhat, etc). To be able to provide more that general assistance I really need to know which Linux variant you are using.

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I have a linux machine, which only can telnet to other places, but when been telneted by other machine, it always says something about connection refused. and solutions to that?
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I have a linux machine, which only can telnet to other places, but when been telneted by other machine, it always says something about connection refused. and solutions to that?

Telnet Problem

Unix is a multitasking, multi-user computer operating system originally developed in 1969 at Bell Labs. Today, it is a modern OS with many commercial flavors and licensees, including FreeBSD, Hewlett-Packard’s UX, IBM AIX and Apple Mac OS-X. Apart from its command-line interface, most UNIX variations support the standardized X Window System for GUIs, with the exception of the Mac OS, which uses a proprietary system.