Questions tagged [telnet]

An unencrypted client/server protocol for remotely accessing another system.

Filter by
Sorted by
Tagged with
0 votes
1 answer
66 views

HTML telnet howto do

I have this code: <a href="telnet://localhost:33330"> <button>MUD</button> </a> <a href="telnet://localhost:24"> <button>Renegade BBS</button&...
ignatius's user avatar
  • 389
1 vote
0 answers
85 views

how to find the telnet ip address and port number of hosts running in eve-ng VM?

I am running an eve-ng VM, and running a couple of nodes (routers) in it. The common problem is, when I click on the nodes, it opens its console in the browser. I installed the client side pack, but ...
Abhishek Sagar's user avatar
0 votes
1 answer
242 views

How to see details of TLS telnet?

Debian (and other distro if you recompile the source) can use a ssl version of telnetd. telnet-ssl -z cacert=/etc/ssl/certs/mydomain.crt -z cert=/etc/ssl/certs/client.mydomain.crt -z key=/etc/ssl/...
elbarna's user avatar
  • 12.1k
0 votes
1 answer
2k views

Telnet connection refused

I have been trying to connect using telnet. I keep on getting Connection refused. After checking ports listening, I observed the port is listening to the localhost IP 127.0.0.1 but I wanted it to ...
James Emeka's user avatar
0 votes
0 answers
26 views

Source env variable resolved instead of local env variable

I am having the following issue with Enviroment variables: In my linux server I have an enviroment variable HOSTNAME (has value SERVER_HOSTNAME) In my Linux box I have another enviroment variable ...
HassanChe's user avatar
1 vote
0 answers
48 views

.telnetrc not being read at startup of telnet

I'm trying to set up some telnet commands in ~/.telnetrc and they are not being read. The file is DEFAULT mode line When I go into telnet and do a "display", I get ... environ ...
Larry_C's user avatar
  • 111
2 votes
1 answer
220 views

ansible telnet isn't working

I am trying to use the telnet command with ansible expect module to push initial configuration but it's not working, I am suspecting the issue is with the responses section, here is my playbook: - ...
Somayyah Mohammed's user avatar
0 votes
1 answer
358 views

telnet with ansible to cisco switch isn't working

I have a cisco switches in my lab, since they initially have telnet connection configured I want to use it for initial configuration with ansible (SSH access, hostname, domain ... etc). I'm trying to ...
Somayyah Mohammed's user avatar
0 votes
0 answers
113 views

How can I write a command into a subprocess?

Currently, I am working on a project where I use telnet to netcat to send an email message within my university. I am trying to make the process automated but my script can't seem to enter in any ...
Mitchell Zhou's user avatar
0 votes
0 answers
298 views

SSH or telnet as an unpriviledged user leads to 'socket: Permission denied' error

I'm running a strange 3.0.35 heavily patched kernel on an embedded device (Kobo eReader). Maybe it partly explains this issue.Basically: kobo:/$ ssh [email protected] socket: Permission denied ssh: ...
Nicolas Mailloux's user avatar
0 votes
0 answers
350 views

Not able to grep telnet output correctly

I am writing an script to verify connectivity for multiple external system with timeout of 10s. How do i avoid "Connection closed by foreign host" text from this script. I am doing grep only ...
rizwan's user avatar
  • 11
0 votes
1 answer
155 views

Unable to get PID on a Listening port for Solaris

I'm using solaris SunOS myhost4 5.11 11.4.42.117.3 sun4v sparc sun4v non-global-zone I'm sure that port 7777 is in use as the telnet is successful as below: $ telnet myhost4 7777 Trying 10.23.52.219.....
Ashar's user avatar
  • 459
0 votes
1 answer
322 views

Is there an alternative for xinetd that supports control characters?

I am writing a project that allows users to connect in and run specific commands. xinetd is an option but pressing Tab via either nc or telnet will type an indentation. Is there a net daemon that can ...
Steven Yang's user avatar
0 votes
0 answers
2k views

Telnet error - "Connection timed out"

I am trying to telnet a port at a client's location. telnet someexampledomain.com 25 It shows: Trying someexampledomain.com... telnet: connect to address someexampledomain.com: Connection timed out ...
Rashy's user avatar
  • 101
0 votes
0 answers
642 views

Issue when installing telnet on centos8

I am trying to install telnet on a centos8 server but keep getting this error: I have also used dnf command(dnf install telnet) but get the same error message. I use the following on line tutorial ...
user518510's user avatar
0 votes
1 answer
1k views

ufw won't allow connections to postgres port 5432

With ufw disable on remote postgres system i'm able to connect from my local system However, the connection does not work when I ufw enable as shown below: C:\Users\HOME>telnet 80.240.24.195 5432 ...
Ashar's user avatar
  • 459
1 vote
0 answers
44 views

How many simultaneous terminal pseudo connections can support my linux server?

My debian distribution has 62 virtual text terminal in /dev/tty. Does this mean that my server can support up to simultaneous 62 ssh or telnet connections? For each connection I note that it created ...
hamza maimi's user avatar
0 votes
1 answer
545 views

Firewall is active, added port to iptables but still cannot connect

We have RedHat 8 server. Firewalld is active. I need to connect to port 5050 from my lap top and from the second server, so I added it to the rules iptables -I INPUT -p tcp -m tcp --dport 5050 -j ...
AndreyS's user avatar
  • 228
0 votes
2 answers
764 views

Unable to connect telnet to mysql listen ip port from remote host

I m able to telnet locally to mysql process like below: I have also made sure MySQL process is listening on all IPs by setting bind-address = 0.0.0.0 as evident below: root@localhost:~# netstat -plutn ...
Ashar's user avatar
  • 459
1 vote
1 answer
347 views

Raspberry PI ArchLinux telnet server 4 times Login incorrect

I installed via pacman -S inetutils telnet and want to try to login via telnet but if i use telnet localhost to connect This comes up [root@alarmpi ~]# systemctl restart telnet.socket [root@alarmpi ~]#...
kingingo's user avatar
0 votes
0 answers
323 views

Get screen serial port in remote

I have some industrial equipment with serial ports equipped. There are 2 serial ports on each one (COM1 /dev/ttySC0 and COM2 /dev/ttyAMA0). Before sending to production, to test the correct ...
Fco Javier Balón's user avatar
-3 votes
2 answers
2k views

How to disable telnet on a Debian 11

As per title, how can I disable telnet on a Debian 11 server? I think I can (how?) block port using ufw, but... how can I disable the service itself? I tried systemctl disable telnet But Failed to ...
realtebo's user avatar
  • 799
1 vote
2 answers
474 views

linux telnet server check password file

in linux centos 7 linux using telnet server What is the name of the file responsible for checking the password, whether it is valid or not?
mohammed moha's user avatar
0 votes
1 answer
166 views

centos 7 decrypt and encrypt library [closed]

I have installed telnet server in my centos 7. I need to make some modifications to the telnet connection to the server. I have a library to check telnet login. It is encrypted. I need a decoding ...
mohammed moha's user avatar
0 votes
1 answer
331 views

listener message on port 23

I want to have a message to anyone that tries to telnet (port 23) to my server that they are connecting to the wrong port, then disconnects them. Basically something like socat would be ideal, but I ...
Alistair Ross's user avatar
0 votes
0 answers
811 views

Asynchronous json post requests with cURL, minimize overhead?

I think my method to make asynchronous post requests to API endpoint has some overhead. From stackoverflow I learned that libcurl is an alternative way but I am not familiar with libcurl and that with ...
hillsonghimire's user avatar
0 votes
1 answer
126 views

Help with a deciphering command with telnetd in it

Help with deciphering commands [ $1 -ge 20 ] && telnetd -p 233 -l /bin/sh I know /bin/sh is a Bourne shell and telnetd is a telnet daemon but I'm not sure how they work together. I think ...
Rick T's user avatar
  • 337
0 votes
0 answers
259 views

Telnet not working for a specific process

I have etcd process running on serverA on port 2379. I am trying to telnet to serverA from serverB and its showing connection refused. # telnet <IP_serverA> 2379 telnet: Unable to connect to ...
Rajan Sharma's user avatar
0 votes
1 answer
1k views

Telnet not working for non root user RHEL 8.2

I am getting the following error when trying to use telnet in RHEL 8 telnet: Command not found. I have installed telnet and telnet-server however strangely telnet is working when i am the root users ...
Max Powers's user avatar
0 votes
1 answer
911 views

netcat / nc / telnet perform math on received data then output

I am not an expert on bash so sorry in advance. For my high school CTF competition, I have to read in 3 numbers, perform some arithmetic on them, then output the value back to the server. In ...
Peter Stenger's user avatar
1 vote
2 answers
7k views

Failed to start Telnet Server: "Unit telnet.service not found"

I am doing a research on Telnet communication and I need to test its communication although it is not secure. I have an Ubuntu machine 18.04 on my EC2 (I opened inbound port 23 for everyone in AWS). I ...
E235's user avatar
  • 363
3 votes
1 answer
7k views

Testing connectivity and port availability using SSH instead of Telnet

Assume that you have a pair of UNIX/Linux machines. You want to check if both machines can connect to each other via an arbitrary port, say, TCP 111. Log into the shell of Machine 1 (10.0.0.1). If ...
Culip's user avatar
  • 134
1 vote
1 answer
974 views

How to establish tcp connection between host to vm using ssh or telnet

As a part of learning, I'm trying to establish a tcp connection between host and VM using telnet or ssh. I'm using linux-debian. After establishing connection, I'll try to analyse packets using ...
Umar Farooq's user avatar
2 votes
1 answer
900 views

What's the difference between the telnetd and inetutils-telnetd packages in Ubuntu?

Recently, a work came to me which needs to set telnet on linemode.so i install telnetd with apt install telnetd, which is controlled by inetd, and this operation will add new line telnet stream tcp ...
zzsuki's user avatar
  • 21
0 votes
2 answers
576 views

How to connect to a telnet service by bash?

What I am trying to do is connect through telnet and download a database but I can't find the way to do it, I have tried it with python but it only closes the connections, so I would like to know if ...
Christian Gtz's user avatar
1 vote
2 answers
383 views

telnet & ping - different results

I'm trying to debug a private connection between to CentOS servers I'm trying to connect to MySQL from server 1 ( Web ) to server 2 ( MySQL ) On both I've setup the network devices with firewalld - ...
cybernet2u's user avatar
1 vote
1 answer
473 views

Share Telnet connection as a proxy

i have telnet connection to device behind firewall (there is no SSH) and i want to use this connection as a proxy to give local network access to Firefox for example if is possible using Putty ...
Antonio Italiano's user avatar
2 votes
1 answer
976 views

Telnet connection to Debian machine refused

I'm trying to connect Debian 8 machine via telnet but I get login error shown in below # telnet 192.168.88.48 Trying 192.168.88.48... Connected to 192.168.88.48. Escape character is '^]'. Debian ...
Hakkı's user avatar
  • 27
1 vote
1 answer
974 views

How to determine Connection Refused Issue? [closed]

We have a linux server which runs a java process(Hazelcast) on port 5701. However, we are facing issue while connecting to that server and it result in a Connection Refused issue. Below are the ...
Siddhant's user avatar
  • 111
0 votes
2 answers
419 views

Stay connected while executing a remote WGET command?

I use Putty to remotely login into SERVER 1 and issue a WGET to another SERVER 2 to make a backup of a large directory. My question is, do I have to stay connected while this process occcurs? Or, is ...
Kon's user avatar
  • 1
1 vote
0 answers
5k views

Telnet: Connection refused for specific port only. [CentOS 8]

I am trying to connect from one server to another through its IP address using telnet as following: [root@01 ~]# telnet 10.10.7.7 6379 Trying 10.10.7.7... telnet: connect to address 10.10.7.7: ...
Eng7's user avatar
  • 1,681
0 votes
1 answer
5k views

Ping works, but I get 'No route to host' even though my firewall is off

I want to check if I can connect to Rspamd's Fuzzy port and have a very strange problem - I can ping a the host and get an answer (0% packet loss). But when I try to telnet him, I get "No route to ...
manifestor's user avatar
  • 2,423
0 votes
1 answer
5k views

vsftp server returning 500 Illegal PORT command when tried to run raw ftp commands in telnet

Currently, I am trying to run ftp commands from telnet client. I was successful with USER, PASS, PASV, LIST and when tried PORT vsftp server is throwing 500 Illegal PORT command. I am following the ...
m0hithreddy's user avatar
1 vote
1 answer
450 views

telnet refuses to connect when /bin binded to another location

I am working on a router and its firmware is read-only as expected. The busybox they used are trimmed down version of the original tool so i cannot use all the tools necesseray. This router has also a ...
ekardon's user avatar
  • 11
2 votes
0 answers
114 views

Keyboard input to a serial console redirected to telnet

I'm trying to install a Cisco Nexus 9000v VM on VMWare Workstation on a Linux machine. That's how far I got: After importing the .ova file I set up a serial console in the VM settings whereby I chose ...
The Becheesus's user avatar
1 vote
1 answer
5k views

Why do I get connection refused when I telnet port 2194?

I'm setting up an OpenVPN access server and I continuously get the error "connection refused" on my client(s). So i decided to start debugging from the beginning (the server) and tried telnet 127.0.0....
CodeNinja's user avatar
  • 191
3 votes
2 answers
509 views

I want to print exact word from the command output

telnet test | grep -o Unable telnet: Unable to connect to remote host: Connection refused Only 'Unable' should be the result.
user410194's user avatar
0 votes
2 answers
2k views

How to generate invalid HTTPS request from command line?

So, I am interested, is it possible to send an invalid HTTPS request via command line in Linux, to receive the server's "Error 400" page? It's possible to generate an invalid HTTP request using "...
FlatAssembler's user avatar
0 votes
2 answers
423 views

Get all the open ports for a remote host in linux

Trying to connect to a particular port for a remote host. The host is reachable (checked via ping command) but the port is not accessible. Is there any way to check all accessible ports for that ...
Ashutosh Sharma's user avatar
0 votes
1 answer
834 views

Dial-up vintage BBS access with agetty and a modem

I'm trying to setup a 80's service with Mystic BBS (that runs on telnet), including a dial-up access with a U.S. Robotics modem connected to the serial port of the server. I succeeded with mgetty: /...
flip79's user avatar
  • 101

1
2 3 4 5