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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.

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Unable to connect VPS server hosted node js code to another provider MYSQL server

I have just bought the unmanaged VPS. I am running a node js application that uses a connection string for mysql database stored somewhere else. The connection between vps (nodejs web) and mysql server is not successful. It is successful, when I…
codebased
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Pulling from GitHub to IIS

To update my website I need to pull from GitHub to IIS, remotely, not by using RDP. How can I do that? TelNet does not support git and I don't like installing OpenSSH ( it needs CygWin)
AVEbrahimi
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Missing or skipped ICMP_Seq In AIX Ping

I noticed an intermittent slow response on the ping from my application server to my database server. So to diagnose, I tested using a standard ping and Telnet tests. For the telnet tests, it was able to connect. However some telnet took longer…
grassbl8d
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Postfix 2.11.3 Mail gateway: Recipient address rejected: User unknown in local recipient table

I am trying to recreate a mail-gateway for spam/antivirus-checks on a new debian system (Postfix 2.11.3) coming from an older OpenSuse Installation (Postfix 2.6.5). I tried to test it with "telnet localhost 25". When sending test email to the…
unlulau
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Iptables seems to be blocking outgoing HTTP connections

We recently noticed that outgoing HTTP traffic seems be blocked. Specifically we need to allow HTTP requests to a give website URL. I'm not sure if this is possible as I believe typically it must be allowed to a specific IP. However, the service…
Aaron
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"No route to host" when i do a telnet in azure

I have two VM's in azure with different public IP's and whose private IP's are : 10.10.1.9 10.10.1.6 When i do a telnet with following command from the server 10.10.1.6, i get the a error: telnet 10.10.1.9 2181 Trying 10.10.1.9... telnet: connect…
Nilotpal
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letsencrypt works www but not root domain (apache)

i'm trying to install letsencrypt on a server, both www and the root domains are hosted by the box. i can install with the www subdomain no problem, but not the root domain. here's the error i'm getting Failed authorization procedure. domain.com…
user1130176
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Centos 7 network issue

I have a Centos 7 server behind a Dell sonicwall I have configured the sonicwall to allow certain services and this seems to work fine. However I can't telnet to some ports. I have added Wireshark to Centos 7 to verify packets on said ports are…
Sigh
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Firewall configured to allow 25/tcp but still cannot telnet into server on that port

I've got postfix and dovecot running on ports 25, 110, 587, 465, 993, 995 for the usual mail protocols. I can telnet into all ports except port 25 which you can see below. Any ideas on what's going on? Remotely Telnet to port 25 (fails) # telnet…
Shane Rowatt
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Cannot telnet to port from Azure VM

I have an Azure VM setup and I have a program that SSH's out from that VM to port 7022 on my supplier's server. Sometimes I am unable to connect to this port and this can last for up to 30 minutes or longer. The app needs to be constantly connected…
Harry2398
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Cannot connect to smtp mail server

I have an installation of Postfix & Dovecot on a Centos 7 server. While being logged into the server via ssh I am able to use telnet and openssl to connect to localhost like openssl s_client -starttls smtp -crlf -connect localhost:25 authenticate…
seyfe
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Telnet: Unable to connect to remote host

Related Threads: SMTP server works, but telnet to port 25 does not Can't connect to SMTP server The problem I have a server running Debian 3.2.65-1 and i am having some problems to connect other server to send emails through SMTP in a web app…
Rufein
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Azure VM ping and telnet not working

I have an azure VM (resource manager) on the new portal running windows server 2012 r2 with HPC with a public IP, Currently i can login to the VM using a remote desktop client but i cannot ping myself (public ip) when logged in or ping form my local…
Erick
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IMAP Port 143 Not Functioning When Using Hostname?

I am setting up a Mail Server on Azure (Windows Virtual Machine) using HMail and its all working great apart from not being able to connect my Outlook on my home PC. I believe the issue is that when I telnet using the hostname, the connection…
user290738
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Telnet, Startech, and a Transmitter

I'm at a bit of a loss and will also preface by saying that I have very little experience working with Telnet. I have Startech Serial over IP 'webserver' setup, everything seems fine on this end. Next in the chain is a Mozart FM Transmitter with a…
ParanoidPenguin
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