James G. Sack (jim) wrote:
Ralph Shumaker wrote:
Paul G. Allen wrote:
Use telnet from the command line to see if anything is listening on
the suspected ports.
$ telnet localhost 0
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
.
.
.
$ telnet localhost 24
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
$ telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 myComputerIPv4.dslextreme.com ESMTP Sendmail 8.14.1/8.14.1; Thu, 21
Feb 2008 18:34:08 -0800
Do I need sendmail? Is that something that is necessary for
Thunderbird? Or is this something that allows me to operate an email
server?
By the way, how do I break the connection between telnet and port 25?
My command prompt hasn't returned. ^C, ^D, ^Z don't work. I could just
close the VT, but I don't want a telnet zombie.
The way I say it is:
The meaning of
Escape character is '^]'.
is that you can "escape" from communication with the remote terminal.
So type the Ctrl-], which gives you a "telnet>" command prompt. Then try
help, and note the quit command.
Regards,
..jim
Tres kewl! (BTW, you must hit Enter after Ctrl-].)
Now, any idea why this:
$ telnet localhost 111
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Connection closed by foreign host.
This one seemed to time out after a while (how much time, I have no
idea). But why would it say that it was closed by a "foreign host"?
And what uses port 111?
--
Ralph
--------------------
..we are a much more secure nation if we do issue driver's licenses
and/or state IDs to every resident who applies, regardless of
immigration status. Issuing them doesn't make us any less secure, and
refusing puts us at risk.
--Bruce Schneier
--
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