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Questions tagged [telnet]

For questions about Telnet, a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in RFC 854.

Telnet is a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in RFC 854.

Telnet provides no inherent security and so is becoming less commonly supported. On modern UNIX-like systems it is usually replaced with more secure and flexible SSH protocol.

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munin-node in openvz-container not reachable from host-system

I have a problem figuring out why my openvz-container is not reachable from the outside (host-system) on port 4949. netstat in the container: [root@openvz ~]# netstat -utapn |grep 4949 tcp 0 0 0.0.0.0:4949 0.0.0.0:* …
m_sc
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Executing a command over telnet

Is it possible to run an executable on a remote machine using telnet? I connect to a windows XP machine via telnet and then I execute the exe by issuing this simple command. RunProgramme.exe No errors, but I don't think the program run as it does…
Abs
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Postfix SASL SMTP

I am getting an issue when trying to send out email on 465 secure SMTP with a Postfix + Courier with MySQL virtual users. I am able to connect with IMAP secure and download, and I can also send mail on Port 25 unsecured. I am trying to use SASL for…
Shane
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Configuring an SMTP server in order to activate a Blackberry device on BES without data plan

I have been trying to get Blackberry Entreprise Server 5.0 running on my Windows 2008 VM. It seems to work, I can now add users and find them into Active Directory. The next step for me would be to assign a device to a user, this device do not have…
user72691
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Exchange server 2003 not sending messages sent to internal addresses via telnet?

For a variety of reasons, I am needing to programmatically send mail through an Exchange 2003 server. I'm not able to use any built-in "SmtpClient" classes so I'm following the SMTP protocol over telnet in order to do it. It worked at one time,…
Mr. Jefferson
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Telnet command missing on Windows 2008 R2 machine

I have a Windows 2008 R2 machine that is being used for development machine. When I try to use Telnet I get the error: Telnet is not recognised as an internal or external command ... I have done a search on the disk it is not there. Is there…
Shiraz Bhaiji
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Dovecot immediately logs off user

I'm trying to set up email on my server, and have successfully set up POP3 with gmail for my main account. When attempting to set up another user though, gmail reports ` There was a problem communicating with example.com. I can't figure out why…
nona urbiz
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Telnet disconnected on login failure

I have two servers running Linux 2.6.9 kernel. When i telnet to server1 , the telnet will be disconnected only after 3 login failures. While, when i telnet to server2, telnet will be disconnected after the first login failure. I expect server2 to…
LinuxPenseur
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how to protect telnet access to smtp port 25?

Please consider the following: 192-168-1-106:~ michael$ telnet 25 Trying ... Connected to li*****.linode.com. Escape character is '^]'. 220 mindinscription.net ESMTP Postfix (Ubuntu) quit 221 2.0.0 Bye Connection…
Michael Mao
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Munin on localhost (telnet only displays period)

I set up munin to run as root for testing, my relevant config is as so: munin.conf: [localhost] address 127.0.0.1 use_node_name yes I tried fqnd.mysite.com (but it couldn't connect), localhost.localdomain too which runs but I'll explain in…
John R.
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How to display ANSI Escape codes e.g. from tshark telnet trace?

How does one display/visualize a trace of a session with ANSI Escape codes embedded in it? I have a tshark trace of a telnet session to a HP switch. From that, I Follow TCP Stream and get a pseudo-text representation of the telnet session (with…
Peter V. Mørch
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Cannot telnet my computer

A service is running in my system (redhat linux) which opens the port 9000. When i do # telnet localhost 9000 it says, Trying 127.0.0.1... Connected to localhost.localdomain (127.0.0.1). Escape character is '^]'. But when i do the same with my…
raj
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Different behaviour of netcat from telnet when connecting to public route server

I have observed a different behaviour between netcat and telnet when connecting to the public route server bgp-view.tvnetwork.hu and issuing the command show ip bgp. Using Telnet the output (which is normally some tens of thousands lines long) is…
Vasilis
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Cannot connect to email server from a remote pc

When I try to connect to my mailserver from my home pc like this telnet whomakescoffee.com 25 I cannot connect. If I type in the same command on my server there is no problem. I have also tried turning off windows firewall. If I use the command (on…
AnAmuser
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How can I access a shared Exchange mailbox with IMAP (over telnet)?

I have an Mailbox which multiple users have access to, it works fine for me and I can add it in Outlook as an additional mailbox to my account and list all its content. I can access my personal mailbox using IMAP, I'm testing it by just telneting in…
gauteh
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