Server Fault Stack Exchange
Server Fault Stack Exchange

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.

335 questions
1
vote
0 answers

Issue with executing net use command through telnet session

When executing net use command for mapping cifs share to windows drive. The drive is available only for that telnet session. But when i am doing it manually the drive is available permanent. Command:net use T: \172.27.4.222\Secure /USER:smbuser…
Nani
  • 11
  • 1
1
vote
0 answers

Solaris 5.10 telnet connection closed by foreign host

I try to connect to a Solaris 5.10 server using telnet, but I only see: $ telnet xxx.xxx.xxx.xxx Trying xxx.xxx.xxx.xxx... Connected to xxx.xxx.xxx.xxx. Escape character is '^]'. Connection closed by foreign host. The server don't run TCP…
HAL2003
  • 11
  • 4
1
vote
2 answers

Telnet: Unable to connect to remote host: Connection refused (Postfix - Ubuntu 14.04 VPS)

I have installed postfix following this tutorial but when I try to telnet mail.mydomain.com 110 (995,993,143 or 25) it throws the following error: Telnet: Unable to connect to remote host: Connection refused I looked at this answer of ServerFault…
Waiyl Karim
  • 161
  • 3
  • 8
1
vote
1 answer

Windows Server Port forwarding SSH to Telnet for multiple users

I have multiple installations with a specialized database framework (Intersystems Caché) that contains its own Telnet server running on port 23. Although the product does run on Windows Server 2008, AIX and Linux (RedHat Enterprise Linux,…
zmerch
  • 113
  • 4
1
vote
0 answers

"connection closed by foreign host" on one port but not another

server1 (suse linux) should be able to connect to server2 (redhat linux) on ports 4750 and 1080. when server1 connect to server2 (using telnet as a test) using 4750, the connection stays up and open. When connecting over port 1080, the connection…
Mei T
  • 11
  • 4
1
vote
1 answer

OpenVZ - SMTP - telnet - Connection timed out

I have problem with SMTP in my OpenVZ container. I've created OpenVZ container by Proxmox on dedicated server in OVH. This container will be as mail server. So I create on "mother-server" rules to pass ports to container (IP:…
IceManSpy
  • 135
  • 7
1
vote
1 answer

Per-user login.cmd in Vista?

I would like to know if there is a per-user version of %SystemRoot%\System32\login.cmd available? The default login.cmd file contains comments hinting towards this, but I can't find anything about it anywhere else.
MiffTheFox
  • 152
  • 2
  • 12
1
vote
2 answers

Can't connect with telnet from external ip

I have a postfix server running on a kimsufi VPS, i installed roundcube on it, and everything is ok. The problem is, when i try to connect from another server, i have a timeout : telnet whys.fr 25 Trying 5.196.66.189... telnet: Unable to connect to…
Supamiu
  • 113
  • 1
  • 5
1
vote
3 answers

Email server attack from telnet

My mail server having a problem on blocking some attacker that trying to telnet to our mailserver. but i'm not able to block it, ip will keep changing even we block by ip. seems like he is trying to telnet instead of normal from smtp…
Min Hong Tan
  • 147
  • 2
  • 11
1
vote
3 answers

telnet port forwarding

Anyone knows if it is possible to setup port forwarding with a telnet client, like it is with SSH?
mr-euro
  • 848
  • 3
  • 14
  • 31
1
vote
2 answers

Telnet client on redhat linux

I am trying to install a telnet client in Red hat linux server which doesn't have internet connectivity. Red hat linux version less /etc/redhat-release Red Hat Enterprise Linux Server release 6.4 (Santiago) when i did some research, i got this link…
Subin_Learner
  • 131
  • 1
  • 1
  • 4
1
vote
0 answers

Allow console access to physical machines through telnet

We have a Super Micro server blade in our lab running a custom OS.The console of the OS can be accessed using the Super Micro web interface. A window gets created by running a .jnlp which needs to be downloaded from the Super Micro web interface. It…
Iceman
  • 111
  • 1
1
vote
1 answer

Pasting extended ACL contents into telnet session to Cisco Router SIM

I have a telnet session to a dynamips router sim. When I try to paste the contents of an actually working ACL retrieved from 'show run' into the access list, only part of gets pasted. The session is something like: enable conf t ip access-list…
Kyle Brandt
  • 83,619
  • 74
  • 305
  • 448
1
vote
3 answers

Is it normal for port 23 to be connected to periodically?

While working at a customer site (a LAN that includes several Windows machines, plus our server) I noticed that something was periodically attempting to connect to our server on port 23 via TCP. Nobody at that site even knows what telnet is, let…
Jeremy Friesner
  • 1,323
  • 1
  • 14
  • 25
1
vote
1 answer

Telnet 3306 fails to connect to Amazon EC2

Ok, I know this has been asked a lot, but I've tried every advice I can find and I still can't telnet to my Amazon server on port 3306. Add iptables entry for accepting connections on port 3306: iptables -A INPUT -i eth0 -p tcp -m tcp --dport…
Volkan Ulukut
  • 123
  • 2
  • 9
1 2 3
…
22 23