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I cannot connect my redhat server via putty

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linux-howto

http://www.unix.com – a server with RHEL 5.3 is running. im going to access this via putty but get message "server unexpectedly closed network connection". after some time. same is the case with root and oracle user. what can be issue ? (HowTos)

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Submitted by robot1 on 01/15/2013 – Made popular on 01/15/2013

Stories similar to I cannot connect my redhat server via putty

i have a redhat linux 5.3 machine.

i can ping that machine remotely from my laptop.

but when i connect that server via putty after providing username and password there is wait for some minutes and then i get error message

"server unexpectedly closed network connection"

Please guide me to resolve.

I am struggling to figure out why my ubuntu (precise) server always close an connection from the server side at around 24hours.

Basic info: Server OS: CentOS 6.3 Client tool: PuTTY

I SSH to my server using PuTTY. I added an account with /sbin/nologin shell.

Hey guys,

I have an Oracle Database at a remote server. I have created a SSH tunnel (using putty) to that remote database server and I am able to access that database server using 127.0.0.1:1521.

I am creating a web application and to test it I execute it at: localhost:8080/WebApplication.

However, every time, I create the putty session, I am unable to access my web application.

I have an Ubuntu 12.04.01 desktop PC, 64-bit. It has openssh-server installed.

When I SSH to the server from a linux box it works. But when I use PuTTY from my Windows 7 PC to connect then I just get an immediate error:

The server closed the connection unexpectidely

Both the server and the PC are on the same LAN.

About PuTTY 24 weeks 5 days ago

Hi all,

Host - Fadora17 desktop 64bit Client - Opensuse 12.2 server KVM - virtualizer.

Openssh server is running on Opensuse server and Openssh client is running on Fadora desktop. I can ssh connect the server on Fadora desktop. Now I expect testing PuTTY, the emulator, which I haven't used before. I have following questions?

1) Do I need to install PuTTY on both server and desktop?

Tunneling ftp connection 1 year 4 hours ago

here is my situation.

I need to access an FTP server at work. The server will only accept local IP's, so I cannot access it from my home machine. I have been able to ssh into my unix work machine through PuTTY and from there successfully open a console ftp connection to the FTP server. I could work through this, but I would prefer not to as it is very cumbersome for me.

Hi, I know I'm doing something wrong; but what?

I use putty to establish an SSH connection to a remote server.

The putty configuration; under SSH/Tunnels is set to forward source port 5901 to localhost:5901.

And that looks like it is set correctly. In putty under "Forwarded ports" it say: "L5901 localhost:5901".