Telnet is a protocol for bidirectional interactive text-oriented communication with remote hosts via virtual terminals. It is defined in [RFC 854](http://tools.ietf.org/html/rfc854). Telnet provides no inherent security and so is becoming less commonly supported. On modern UNIX-like systems it ...

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Cannot telnet to port 25

When I try to telnet to port 25 using this command: telnet aspmx.l.google.com 25 I get this message Trying 173.194.69.26... And nothing more happens. I disabled csf but the problem still ...
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1answer
2k views

Some machines in my network can't access a specific website

Something pretty bizarre is happening here. I'm try to access a website from some machines inside my network and I just can't, while other machines access it normally. The website is ...
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1answer
672 views

Issue with setting up Telnet Management on Open VPN Server

When I enable telnet on openVPN (windows) using this parameter management localhost 25333, I am not able to access the clients through their virtual IPs anymore. At the same time, when I disable this ...
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1answer
281 views

Monitoring memcached with plink

I need a telnet client that can take commands from a file or stdin so I can do some quick-and-dirty automatic monitoring of memcached. I thought plink would be good for this, but it seems to be doing ...
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1answer
120 views

Forward local port to remote host telnet port

I'm trying to forward a local port to a remote telnet host. Something like this. MyHost -----> |2222 Proxy |------> |23 Destination | MyHost: I'm on a Windows PC. Proxy: Is a linux box which I ...
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1answer
185 views

Change port from ipv6 address to ipv4 address

I have setup a service on my server which has opened a port (ie, 40000) but its foreign address is :::* which is a wildcard ipv6 address (I think) When I run telnet localhost 40000 on the server the ...
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votes
1answer
913 views

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 ...
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votes
3answers
911 views

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 ...
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1answer
227 views

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 ...
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votes
2answers
687 views

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), ...
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1answer
237 views

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 ...
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1answer
433 views

Telnet session - can't run commands

I have 2 VMs running CentOS 5.0 and I configured telnet on both of them. I can telnet from one to another... but when I type ls or cd at the prompt I get a message like this -bash: ls: command not ...
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2answers
1k views

Restore passwd for root on a server

      I have a DVR server with linux embeded. It has some telnet functions but i don't have the password for it (the chinese manufacturer refuses to give me the ...
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3answers
1k views

how can I edit text files while on telnet service of windows 2003 japanese

I want to edit text files on logging-in windows telnet service with terminal emulator like putty notepad? of course not. I tried vim for win32 console but it is worthless. edlin? oh no. please let me ...
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2answers
132 views

Sending Email by SMTP IIS7.5 via php site

After my company decided to change the website we switched from old ASP.NET site to new website created in Drupal(php). The site is running locally on IIS7.5 and we also have virtual SMTP server on ...
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0answers
104 views

Server 2012 R2 Telnet

Let me first get the infrastructure out of the way. We have one 2012 R2 Server acting as the Hyper V host for 2 servers. The two virtual machines is one 2012 R2 Server and one 2003 SBS server that we ...
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0answers
83 views

How to remove “You are about to send your password information to a remote computer…” confirmation info when telnet to a windows server 2008?

When I try to access a windows server 2008 machine by telnet from command line, firstly a paragraph of information comes and need a confirmation: Welcome to Microsoft Telnet Client Escape ...
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0answers
66 views

Cannot connect to Solaris Server when Oracle GoldenGate process uses the port

I'm trying to test the Oracle goldengate to replicate data between two databases on the same server. So I installed two databases and two goldengate homes in the same machine. The goldengate ...
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0answers
99 views

Only the Admin account can connect trough telnet (Ignores users in telnet group)

I'm trying to connect remotely to my windows server 2008 virtual machine with another with XP, the service is correctly installed and working, i have been successful in getting in with the admin but ...
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1answer
76 views

TCP RST from telnet/ssh daemons when connecting from openvpn

I have LAN_1 and LAN_2 interconnected with an openvpn tunnel terminated ona pair of SOHO routers running busybox. One of the vpn purpose is to allow clients on both LAN_1 and LAN_2, to administer the ...
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1answer
264 views

postfix - connection refused from behind NAT

When attempting to telnet postfix from a different host in the same LAN through the FQDN (and thus the LAN's public IP), the following error occurs: root@mailer:/var/log# telnet mail.domain.com 25 ...
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0answers
74 views

Intermittent telnet connection issues on 1433

I have several windows server boxes running on the same subnet at a co-lo. I have a few sql servers instances running and some of the machines can talk to it just fine, but at least two of my web ...
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votes
1answer
40 views

Problems in testing telnet using postfix

i am quite new so please be a bit patient XD i am trying to configure a mail server using postfix (which implements a database for aliases, domains and mailboxes) and courrier on ubuntu. I have this ...
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0answers
20 views

Factory Reset Enerasys

Kind of a 2 problem issue, but I have a feeling one of them is my problem. I have 2 C2G124-24 switches. They work fine and function properly. Problem I am having is that I can no longer access them ...
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0answers
280 views

Munin Data gathering - Some nodes fail gathering data

Hy Everybody I've run into a strange Problem with munin for which i didnt find any solution... maybe somebody here will be able to help. Im running the munin-master on a debian 7. Here's the config ...
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0answers
90 views

Telnet Terminal F3 Key Transmit

I am creating a new install image for deployment, upgrading from a previous deployment of Fedora Core 4 to Linux Mint 15. I have the telnet session to the server working and all keys are operating as ...
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0answers
220 views

Can Telnet be used to test Direct Push is open “long enough”

I am getting the event below in the Eventlog regarding Direct Push for Activesync. If it matters we have a Cisco ASA and a Citrix Netscaler. Event 1040 MSExchange Activesync The average of ...
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1answer
334 views

Telnet to new SMTP server port 25 times out

I just got Postfix 2.9.6 up and running on a Debian 7 Wheezy server and I can send and receive mail to the outside world but I'm unable to login to the SMTP server. I've tried telnet, first by ...
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votes
1answer
387 views

Is it possible to secure the SAP Telnet Administration port (50008)?

Is it possible to secure the SAP Telnet Administration port, which is usually port 50008? I would like a SSH type connection, so that data cannot be intercepted/read and non-authorised connection ...
0
votes
1answer
652 views

“Access is denied”, only when trying to run script over telnet

I have a batch script that restarts a Windows Service with: Net stop <servicename> Net start <servicename> I got around having to manually run it as Admin by creating a shortcut to it ...
0
votes
1answer
195 views

Netstat shows Time_Wait in MySQL Master to master replication

During my master to master replication, I got a problem on telnet. After fixing it also my replication on both side doesn't work. Master 2 replicates all the database of Master 1 but Master 1 is ...
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votes
1answer
960 views

Telnet does not give a response

Some wireless access points are acting a little weird, so I want to reboot them every couple of hours. Luckily there exists a security flaw which lets me login as root through telnet when using port ...
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votes
2answers
753 views

Connections to host are sporadically successful with mysql_connect() and telnet, but I can always ping the host successfully?

When I try to connect to a host on my LAN with mysql_connect();, the connections succeed some of the time and fail at other times. I can always ping the MySQL server successfully, but when I try to ...
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votes
1answer
332 views

Netcat to automate SpeedTouch administration

I figured out how to enable/disable my wireless connection with telnet, but I want to automate it. I read telnet is not suitable for this, and one should use netcat instead. This is what I have: nc ...
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votes
1answer
264 views

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 ...
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votes
2answers
534 views

Can I change my sendmail port?

I am having a problem sending mail through sendmail. I have configured sendmail and it is fine. I telnetd the localhost and it connects but when i telnet port 25 is says telnet: Unable to connect to ...
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votes
2answers
1k views

Connection closed by foreign host

When I telnet one port of my server, it give me an error: "Connection closed by foreign host", anyone can tell the reason ? thanks!
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votes
1answer
205 views

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 ...
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votes
1answer
445 views

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 ...
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votes
1answer
74 views

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 ...
-1
votes
6answers
3k views

Telnet on Windows Server 2012 [closed]

Im looking to implement telnet on Server 2012, i know its not secure yada yada, its just a project. Whats the best security practices regarding this including software to use, if not inbuilt. I'm ...
-1
votes
1answer
206 views

Why can't I exit an SMTP dialog by entering a dot? [closed]

I've just started to set up an SMTP server on one of my test boxes. Postfix is installed and running, however, when I try to end a message it just does not work. All the documentation I've seen says ...
-1
votes
1answer
950 views

Python script - connect to SSH and run command

What I want to have is an python script to do the following: connect to an [ input by user ] SSH host connect using the credentials [ provided by the user ] run command on the SSH host [ telnet to ...
-1
votes
1answer
243 views

Connect to remote host from windows using SSH/pem [closed]

So I have a .pem and I need to connect to a remote machine using that. I have been told to do: ssh -i key.pem root@remote machine Before that I am supposed to chmod 600/400 on key.pem I am on ...
-1
votes
1answer
142 views

Postfix - No greeting on telnet command

I'm trying to install Postfix with Dovecot and MySQL on CentOS 5. I'm new to this and I'm struggling on this more than 2 weeks. I followed this instruction ...
-1
votes
1answer
1k views

powerconnect 2848 telnet commands [closed]

I would like to find out which IP addresses are on which ports, or when I disconnect a cable to show me which port just dropped? Anyone out there who can shed some light on the telnet commands ...
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votes
1answer
503 views

How To Change Telnet username and password using SNMP

We have a Siemens h1000 dslam. We forgot the username and password but i think we can do all activity with snmp My question is How we can reset telnet username and password using SNMP? Edited-> I ...
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votes
1answer
167 views

HP-UX - Telnet to terminal

I would like to use a run of the mill linux VM to connect to an existing HP-UX server through telnet. When I connect using the simple: telnet xxx.xxx.xxx.xxx I get my login prompt and everything ...
-1
votes
1answer
177 views

Dovecot problems downloading mails

When I run telnet localhost imap2 both from localhost, using IP from external, mutt -f imaps://lasse@"mydomain"@localhost and using webmail, I can view my messages. But If I run mutt -f ...
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votes
3answers
351 views

How does one make a telnet server? [closed]

I'm looking into making a Telnet server so I can remotely enter commands on my computer (Windows 7). How would I go about doing this?