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Questions tagged [telnet]

A protocol used over TCP to enable text based communication between two machines using a virtual terminal connection.

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Can telnet session be compromised via IP spoofing? [duplicate]

The scenario is following: A telnet server which has ACL implemented for telnet connections. A hacker spoofs IP and tries to connect to the telnet server. Consider that the hacker knows the ...
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Telnet output with nmap

I made a scan on a server with nmap with these options : nmap -sT -A -P0 and this is the output for the telnet port (23) : PORT STATE SERVICE VERSION 23/tcp open telnet | fingerprint-strings: ...
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1answer
8k views

Username and password files in Kali [duplicate]

I'm new to pen-testing world. I'm trying to learn how to gain access through telnet service opened on port 23. I'm using Metasploit. The first approach I'm trying is using the telnet_login module to ...
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1answer
597 views

Open ports 6002 and 9002? [closed]

So I was scanning a clients computer and nmap came up with two open ports: 6002 and 9002. Both are running Telnet and both have the same banner in Spanish: Spanish to English translation You are ...
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2answers
4k views

Is telnet secure through SSH tunneling

Firstly sorry, maybe dumb question, but I have one service running on my server which can be operated only by telnet (port 23), but I know that telnet is insecure, so I blocked port 23 in iptables ...
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Unable to display login username in Hydra

So I'm performing an authentication cracking lab using Hydra, I use the following command; hydra -L /usr/share/ncrack/minimal.usr -P /usr/share/wordlists/s1.txt -f -V 192.168.99.22 telnet The ...
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2answers
3k views

Weird URL showed when telnet to my server [closed]

I don't know how to ask this because this is something new for me, I try telnet to my server and the output was like this: Trying <IP>... Connected to www.tjto6u0e.site. Escape character is '^]'...
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187 views

zenmap scan explanation for open port & services

I recently scanned my router domain and get this result: What I get from that report is 3 of 1000 my ports are open. But what to do with "telnet" and "BusyBox telnetd" also "ISC BIND Hostmaster"? ...
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1answer
1k views

Why can't I send raw HTTP requests with arbitrary headers from a web application? [closed]

I am trying to write a script to test a Suricata network signature. To do this I need to simulate the same user agent as the malware. I tried the following. $.ajaxSetup({ beforeSend: function(...
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3answers
2k views

Is there any reason for disabling telnet client on windows?

Since Windows 7 release the telnet client is disabled by default on windows,any security reason for that? is enabling telnet client on windows will make it vulnerable for any type of threat?
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1answer
778 views

Why aren't telnet bots finishing the three-way handshake?

I have a port forwarding rule sending 23 traffic to a "honeypot" (called "comp" below). Throughout the night, many bots from around the world attempted to connect, but there was no service running. ...
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2answers
805 views

Tracing the email sent from SMTP

How can someone be traced over email/SMTP, if they connect via telnet to SMTP and send and email. I know that email can be spoofed with this method, but how secure it really is? Can I see who was ...
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2answers
755 views

IoT devices with public IP?

My understanding of worms like Mirai is the following: Try to telnet/ssh into random IPs using default user/pass credentials from various router/IoT manufacturers If you get in, do Bad Things™. It ...
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4answers
6k views

Using SSH as Telnet

Is of my understanding that telnet is an unauthenticated protocol which allows to connect to a remote host and send/receive packets. This is the reason you can use telnet to issue http requests. Is ...
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5answers
549 views

How can I secure my security cameras?

I have dozens of cheap security cameras in my offices. I was under the assumption that, once I changed the admin password, disabled the insecure "P2P Mode", disabled UPNP, disabled guest access and ...
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0answers
7k views

telnet password is different than router password (zte router)? [closed]

i have that router ZXHN H108N V2.5 got it from my ISP ( Te-Data Egypt ) , the router are modified .. when i try to login to my router using telnet that what i get : Trying 192.168.1.1... Connected ...
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1answer
366 views

Strange responses from an unfamiliar HTTP server

I noticed an unfamiliar device when scanning my local wireless network. It had two open (listening?) TCP ports; TCP/80 (http?) & TCP/443 (https?). In an effort to identify the unfamiliar device;...
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1answer
3k views

Nmap NSE Password Brute Force is Stopping on First Positive Instance

I'm running an Nmap brute force against metasploitable2 (telnet). The script is stopping on the first found username/password and is not iterating through the entire user/password file i have provided....
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3answers
660 views

Remove a telnet hacker [closed]

I have an attacker who got into my router; he seems to have hacked the Telnet client protocol. I previously had a Thompson & a Belkin. Both got hacked, Now I have a Netgear 4 cg3000v2 . Optus ...
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1answer
146 views

designing secure telnet [closed]

i came across this question and have been thinking about it without a final solution. The question is to design a secure telnet. essentially to login using a username and password using telnet. I do ...
3
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1answer
843 views

Http redirect using Location, but using falsely supplied data from host header

If I have a domain www.mysite.com, and I am making a request to www.mysite.com on port 80 using telnet, but I send a host header with another domain name(www.wrong-domain.com), but the server doesn't ...
2
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1answer
3k views

Telnet Open, is this an exploit? [closed]

I am pentesting a server, and it appears my ports are open for telnet. Upon accessing telnet, if I type "help" I only get these commands: telnet> help Commands may be abbreviated. Commands are: ...