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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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Try to Test Hack Attempt with Telnet

My server recently was attacked by hackers trying to run code on a web site, and I would like to test what they there trying to do. I'm not sure how to build the telnet command to do this. 2016-06-09 17:02:11 192.168.1.1 GET / - 80 - 176.31.245.146…
UltraJ
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Knowing when a qemu vm shutdown (initiated via telnet using QMP) is finished

When I start a qemu (Windows Server 2003) virtual machine with -qmp tcp:127.0.0.1:4444,server,nowait I can make it shutdown with the following script #!/bin/bash telnet 127.0.0.1 4444 <
Tobias Leupold
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Can't connect to port 25 from all computers

I installed hMailServer on Windows Server 2003 and somehow I can't connect to SMTP 25 port from all computers. When I run the following command, it connects successfully on some clients, but on others it doesn't. telnet myhost.com 25 I have added…
ihorko
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Passive ssh/telnet server?

I want to set up a Ubuntu openssh (or telnet) server where the network environment is can connect to any other host via any tcp/udp port. but cannot accept incoming connections from other clients. no UPnP in NAT Is there any solutions to control…
shkim
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telnet aspmx.l.google.com and it try ipv6 first

well, I try to send email via google 'aspmx.l.google.com' server, port 25. I can send emial, technically. I just have to wait one minute to wait the sending process complete. Then I try to do telnet to aspmx.l.google.com from my terminal and I found…
Jerry Meng
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