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0
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1answer
17 views

Firewall Rule Testing - telnet failing

I am testing firewall rules but the telnet is failing. The firewallrules have been implemented but the target server is not listening on the servers. How can I enable the target server ports to ...
-1
votes
0answers
18 views

How do I create a telnet server on Mac OS 10.10?

I want to create a telnet server on my mac and I am running Yosemite (10.10). I have successfully enabled telnetd (I think) but I type telnet localhost it asks for my login and password. I enter in ...
0
votes
1answer
12 views

telnet: why application doesn't read .telnetrc?

My telnetrc mode character when i did a connection is not mode character as I put on telnetrc,why?
0
votes
0answers
32 views

telnet command with custom timeout duration

I'm trying to execute telnet command and getting the out put on shell script. But when the port not open or the ip not exist. The command take too much time to give the response. Will it be possible ...
-1
votes
1answer
26 views

Virtualbox and telnet

With the latest virtualbox is possible to set a tcp serial. I have set port 2231 and with telnet localhost 2231 the login appear on old unix. The problem are: password are seen in clear text, and if i ...
0
votes
1answer
34 views

OpenWrt bricked router is not connected via USB to serial cable

I am a newbie in OpenWrt development. I have a problem in my router when I try to upgrade my router (TP-Link TL-WDR-3600) to openwrt firmware via web ui. Now my router is bricked and I can't ...
2
votes
0answers
44 views

Flash OpenWrt Routers from Telnet

I have two routers. One has Chaos Calmer and the other has Attitude Adjustment. When I turn them on and check arp, nothing comes up. When I check route, the hardware address says (incomplete) but the ...
0
votes
1answer
38 views

How to create a script to send e-mail by telnet?

I want to create a sh file to send e-mail by telnet. Something like this: read -p "from: " from read -p "from (friendly name): " fromf read -p "dest: " dest read -p "dest (friendly name): " destf ...
0
votes
2answers
70 views

Telnet check in bash script

I want to run following commands in bash script form in Solaris 10: $ telnet localhost 25 debug quit How I handle this?
1
vote
1answer
147 views

telnet - “Connection closed by foreign host”

I want to setup an Apache Spark Cluster but I am not able to communicate from the worker machine to the master machine at port 7077 (where the Spark Master is running). So I tried to telnet to the ...
0
votes
2answers
45 views

How can I install kerberised services on debian?

I installed kerberos in my debian environment and made it work with SSH. I also would like to try it with other services but I could not install them on debian. I followed several tutorials e.g. ...
2
votes
0answers
81 views

Where EOF character is processed when it sent over telnet connection

Lets suppose I am connecting to telnet server, where bash is running. I am executing comand "cat > /tmp/qqq"; typing some contents of a file and finally sending 0x0a 0x04 which meant EOF. The ...
1
vote
1answer
102 views

Telnetting the Local port not working but trying the ip working

My application listens on port 8180. When I am trying to connect to port 8180 locally. Connection got refused. But when I am trying to connect to port with ip . I am able to connect. ...
5
votes
2answers
165 views

How are terminal length and width forwarded over SSH and telnet?

When I view the length and width of my terminal emulator with stty size then it is 271 characters long and 71 lines tall. When I log into another server over SSH and execute stty size, then it is also ...
0
votes
1answer
114 views

How to block telnet using iptables command

I am trying to block telnet on my server but I have failed to do so. I have added following firewall rules in INPUT chain of filter table for the same. INPUT CHAIN(filter table): <some other ...
0
votes
1answer
13 views

How do I assign hostnames for machines on my network?

I'm using Terminal on a Mac running OS X Yosemite. Wondering how I can assign hostnames so that I can run telnet instead of using the ip address.
1
vote
0answers
64 views

nmap doesn't detect opened port [closed]

I'm testing some vulnerabilities on a machine which has the port 22333 opened (it's used as the ssh port, and I can connect to it without any problem and I can get connected as well with the telnet ...
0
votes
1answer
44 views

dd wrt firmwire file prompt password while extracting

I am a newbie in using dd wrt firmware development. Last day i download a dd wrt firmware dd-wrt.v24-21676_NEWD-2_K2.6_mini-e900.bin for Linksys E 900 router. I need to extract this image for ...
3
votes
0answers
470 views

Can't login via telnet in ddwrt

I have a Gateworks laguna 2388 router with dd-wrt firmware installed in it. It was working fine till i change "http_passwd" nvram attribute. I wanted to change the web GUI password via telnet. So I ...
1
vote
1answer
275 views

ssh tunneling: connection closed by foreign host

I'm trying to create a scenario to test a simple ssh tunneling, just for using a simple telnet. I have two hosts: ubuntu and suse. Both of them have the other hostname on /etc/hosts file for address ...
0
votes
2answers
323 views

Use a script for a telnet session

I have a problem with my script. It seems my password is wrong. #!/usr/bin/expect set ip [lindex $argv 0] spawn telnet $ip set timeout 10 expect "Login:" send "administrator\r" expect "Password:" ...
1
vote
0answers
222 views

telnet connection closes

I am running hdfs in one machine. I am trying to write into hdfs from my second machine. I got connection refused error and got this link in the error itself: ...
0
votes
1answer
69 views

How to restrict number of telnet login attempts?

The title pretty much says it all. I've searched online a little bit and looked through man telnet , but couldn't spot anything. Man page lists /etc/telnetrc and .telnetrc, neither of which is present ...
1
vote
0answers
163 views

Limit transfer speed rate by Iptables Rules

I have D-Link Router DSL-2730U that support busybox OS and iptables version 1.4.0 I managed successfully to block the host for being connect to the internet using the following command block by ip ...
0
votes
0answers
179 views

How to configure a new FTP user with access to only a specific directory?

I have already looked at similar questions regarding this but whatever I do, the new user is logged in root directory showing all available files & folders. I simply don't know what I'm missing to ...
0
votes
0answers
125 views

Telnet tracefile is blank

I enter this command but the tracefile is always blank, what am I missing? telnet -n /tmp/text.txt IP PORT
0
votes
5answers
7k views

Download n Upload files via telnet session

I have an attendance Device with Linux OS installed. I am able to connect that device via telnet session. There are some files in the device which I need to download and upload with new files. How can ...
1
vote
1answer
2k views

Telnet session closed by foreign host

I'm trying to telnet to imap-mail.outlook.com on port 993. When I connect to it, I get Trying 157.56.195.250... Connected to imap-mail.outlook.com. Escape character is '^]'. And I can enter a ...
1
vote
1answer
13k views

can not telnet to a server connection refuse

I have two server with these specifications: IP address: 192.168.1.94 IP address: 192.168.1.221 I want to telnet to the first one from the second one (to port 5029) but I get this error: ...
0
votes
1answer
492 views

How does a cisco device know if I'm connecting via telnet or ssh?

I'm experiencing strange behavior with a Cisco UC520 router. When I am directly connected to the router and telnet to it using this: telnet 192.168.1.1 23 Then I get a successful login prompt: ...
0
votes
0answers
181 views

IMAP: Subscribe to a mailbox via telnet

I'm debugging some problems with a Courier IMAP mail configuration. The IMAP server is returning a "Mailbox does not exist, or must be subscribed to" error message if I try to issue a STATUS or ...
0
votes
2answers
2k views

How to redirect stdout & stdin to telnet? [closed]

I am working on embedded product running Linux. The device uses /dev/ttyO0 as console. On boot is automatically start a program with which uses input from /dev/ttyO0 (serial), and gives some ...
1
vote
1answer
238 views

Telnet no echo output from xinetd script

I have have installed xinetd, and I wrote a script: #!/bin/bash echo "Some text" touch /home/somefile I made a service configuration under /etc/xinetd.d/ and basically it works when I connect to ...
0
votes
2answers
198 views

Disable incoming telnet connections

I'm trying to secure my Debian server, and noticed that if I type telnet myserverip port# then anyone can see my ssh version. I'm a bit worried that people can do some harm aside from that. How can I ...
2
votes
1answer
6k views

Rhel7: telnet: no route to host

I have installed RHEL7 GA version, and installed the xinetd and telnet packages. But when I am trying to telnet from another host to RHEL 7 its giving this error: Trying 10.235.x.x... telnet: connect ...
3
votes
3answers
5k views

Test if telnet port is active within a shell script

I am trying to create a script to test whether it is possible to login via telnet. I do not want to really log in; therefore, expect is not needed. I just want to see if I am able to get a login ...
3
votes
1answer
340 views

nc -l in background closes immediately (nc -l 1234 &)

When I put this nc -l 12345 >nc_out in a shell script, run it and then connect from other shell using telnet, it allows me to type some text and have it end up in nc_out. But if I start nc in ...
0
votes
3answers
5k views

Telnet on Linux Server

I want to know if it is necessary to have telnet enabled on both sides of machines to get telnet connection. Here's the issue: I am trying to telnet some public IP on port 80 from a Linux web server ...
1
vote
1answer
2k views

Shell script to perform telnet session to ser2net

I have setup a xenserver (free) hosting a VM (Debian 7.5). On this xenserver I have attached a serial GSM modem. I have configured xen to run ser2net so I have a serial proxy available. This works ...
0
votes
1answer
387 views

Expect script + automated telnet process between three Linux machines

Is it possible to do the following by expect script? I have Linux server that connected to linux_machine1 and linux_machine1 connected to linux_machine2 My Linux server have access only to ...
2
votes
1answer
1k views

Telnet to port 80 is not showing results

I'm trying to a test request/response to www.google.com on port 80 as below : $ telnet www.google.com 80 After that I typed in : GET‌ / HTTP/1.1 Host: www.google.com But nothing happens! Any ...
2
votes
1answer
98 views

Telnet IAC commands

I want to turn off character echoing in Telnet via linux command line by sending "IAC DON'T ECHO" command. I have been searching everywhere, and I couldn't find how to to do. Basically, I don't know ...
1
vote
1answer
358 views

Function key mappings in telnet session to Universe Application

Our client uses Termtek terminals to connect to their Universe platform. More terminals needed and we can't get any. The alternative is to get winboxes and run wintegrate or try and get a Linux ...
0
votes
1answer
124 views

sending mail using telnet [closed]

I'm trying to send mail via the telnet command. I've looked at several tutorials online to use telnet <servername> 25. But I've tried telnet mail.aol.com 25 and it gets stuck on trying ...
5
votes
2answers
477 views

Writing a “telnet server” type program that uses SSH instead of telnet

So people have written server programs using telnet in which the user simply does telnet server.com and this connects them to the server program, which then provides them with a textual program they ...
0
votes
3answers
3k views

“Expect” automation tool output to shell variable

#!/bin/bash # more commands here expect << EOD spawn telnet localhost 9151 expect -exact "Trying 127.0.0.1...\r Connected to localhost.\r Escape character is '^]'.\r" send -- "AUTHENTICATE ...
0
votes
1answer
382 views

How to specifying different ports for multiple host in cssh?

I am using cssh to telnet into multiple hosts at the same time. I have changed the ssh=/usr/bin/telnet to point to the telnet program. The problem I am facing is that each host uses different port ...
0
votes
1answer
10k views

telnet: connect to address 127.0.0.1: Connection refused

I am using RHEL 6.0 and when i type the given command in terminal telnet 127.0.0.1 6000 I am getting output as: Trying 127.0.0.1... telnet: connect to address 127.0.0.1: Connection refused Why ...
1
vote
1answer
2k views

OpenSSH hangs after login without showing login prompt

I ran across an issue with ssh after fresh Ubuntu 13.10 installation on Lenovo T420. I tried git pull (which failed) and this led me to more general ssh failing. After spending some 2-3 hrs of ...
0
votes
0answers
545 views

Postfix not responding to telnet

I am doing a Postfix installation on CentOS 6.5 I can't get # telnet localhost 25 to do more than this: Trying ::1... Connected to localhost. Escape character is '^]'. EHLO ^] telnet> quit ...