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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Cyrus IMAP: Unable to connect to remote host: Connection refused

I'm working on setting up a Cyrus 2.2 IMAP server on Ubuntu Server 9.04. If I telnet from the server itself: # telnet localhost imap I get: * OK IMAP Cyrus IMAP4 v2.2.13-Debian-2.2.13-14ubuntu3 ...
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2answers
484 views

“Connection failed” error when trying to telnet into SQL Server

I have an SQL Server running on a computer, and I'm trying to access it from another computer in the same local network (potentially VPN, since it's located in a datacenter). The point is that I can't ...
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2answers
507 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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2answers
407 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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1answer
67 views

SSH/ Telnet PAM configuration

How do I configure maximum number of login attempts before the session is dropped for SSH/telnet in PAM?
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1answer
104 views

Telnet server on linux redhat - deletes char, shifts on terminal console

When I open telnet client from local or remote console, I get damaged output in console like below example: -welcome screen appears properly (also when I put some text into nss. -1st char of words ( ...
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1answer
102 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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1answer
162 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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1answer
238 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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1answer
402 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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1answer
92 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 ...
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0answers
48 views

Passwordless remote access to a restricted shell

For, um, historic reasons, we have a C program for HPUX which accepts telnet connections, and runs a home-grown REPL that restricts the commands available. Rather than port this code to Linux, I'd ...
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0answers
92 views

IIS7.5 non-http port routing

I am trying to use IIS7.5 as a way to route to vnc on different servers or virtual servers. I cant get http to work but not non-http protocols like VNC, telnet, etc. Is there a way to do that? ...
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0answers
15 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
25 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
44 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
138 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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240 views

Troubleshoot telnet connection from Windows 7 to UNIX

I am trying to connect to an Asterisk server in USA. I am using telnet < IP Address > 5038 from India to USA. The person in USA is able to telnet to the IP address and port from USA , but I am ...
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0answers
71 views

AIX Remote Connect Fail With “No more multiple IP addresses to connect” Error

We have a production server at a client site running AIX. And recently when users are trying to connect to it via telnet, it prompts "No more multiple IP addresses to connect". Can I know what does ...