0
votes
1answer
26 views

Disconnect SSH sessions from user side IBM 4690

I need SSH session to be disconnected after 45 sec inactivity. on IBM 4690 SSH server settings are: TCPKeepAlive no ClientAliveCountMax 3 ClientAliveInterval 15 But when I do packet capture ...
-2
votes
1answer
40 views

How to get rid of firewall blockage to ssh to my ec2 instance [closed]

I've made my ec2 instance on AWS and I worked on it at home like a charm and everything went fine (connection wise) Today I went to the library and when I tried to ssh into my ec2 using PuTTy as I ...
0
votes
1answer
256 views

ssh, telnet to AWS EC2 instance time out

I can't connect to my AWS EC2 Ubuntu instance. I appear to have the address and user right, the security group allows connections on all ports, and I'm using the right key pair. SSH and telnet keep ...
0
votes
1answer
39 views

Show statistics for ssh connection

I am suffering since a long time an ssh timeout with one of my hosts. I have tried several things, including changing ClientAliveInterval and ServerAliveInterval, but I do not get it to work. I would ...
2
votes
3answers
394 views

How to debug sporadic outbound connection timeouts?

I'm having trouble connecting to my remote host via SSH. I have narrowed the issue down to my local host only as other clients make nominal (fast and stable) connections every time. Attempting to ...
1
vote
2answers
92 views

SSH connection times out unless I tunnel in from a different server-

OK, so this just started last week - Whenever we try to connect to our server via ssh (we use sftp, as well) - The connection times out. However, when you ssh to any other server and then ssh ...
3
votes
1answer
332 views

SSH connection closed/dropped a few seconds after successful log in (EC2/linux/debian)

I have been using ssh to connect to the same EC2 instance for months. Now, all of a sudden, I am getting kicked off the server every time I try to do so. The amount of time I can remain connected ...
0
votes
1answer
125 views

Can't SSH to localhost

I've spotted a problem on one of my openVZ Containers. There is a tool running for managing git repositories on a server which needs to connect this server by SSH. That tool is running on the same ...
0
votes
1answer
260 views

How to debug SSH “connection timeout”

I'm getting error (sometimes) while connecting from host1 to host2 Errno::ETIMEDOUT: Connection timed out - connect(2) TCP dump on host1 while trying to connect (tcpdump -vv -i eth0 -s 0 'port 22 ...
0
votes
2answers
197 views

Outgoing SSH timing out from Ubuntu

I'm trying to diagnose why an SSH connection is timing out. I have two OSX boxes which can SSH to the remote server fine. I have a two ubuntu boxes, on the same network and subnet which just ...
1
vote
1answer
1k views

Can't SSH to VPS (timeout)

I was able to SSH into my VPS earlier today, and made no major changes. However now when I attempt to SSH into my VPS it doesn't even ask me for my password it just times out. If I open the serial ...
0
votes
2answers
140 views

Working out some quirks of a master SSH server

I am starting a web hosting company and there are a few details that I have yet to figure out, one of them being some sort of SSH VPN to connect to our servers running CentOS 6 with cPanel. So this ...
2
votes
1answer
457 views

why would ssh work the first, second, and third time but time out on the fourth?

I would like to be able to use ssh, but I end up getting an timeout intermittently. Here is how I can reproduce the error on the server in question: $ ssh <user>@<server> ls # returns ...
0
votes
2answers
110 views

Does running “./something.sh” considered as idle?

The file ./something.sh contains multi thousands of complex jobs. this should take long time. I just simply run ./something.sh without any other command, and I must wait until it finished. I ...
6
votes
2answers
5k views

SSH Connections freezing with “Write failed: Broken pipe”

I am connecting to a CentOS 5.5 box via SSH from a Ubuntu 11.04 machine. The connection appears to work as expected when it is in active use (i.e. no lag or loss), but if it is left inactive for a ...
1
vote
1answer
480 views

SSH handshake timeout with NAT on Cisco 881W

I'm having some issues setting up port forwarding using static NAT on a Cisco 881W ISR. I've confirmed that the ssh daemon is working from the linux box inside the nat. My question is regarding the ...
1
vote
1answer
871 views

Trouble setting timeout for Nagios test

I have Nagios monitoring an Oracle installation on a different server. Sometimes one particular test (check oracle tablespace can allocate next extent) will fail with "CRITICAL - Plugin timed out ...
1
vote
1answer
369 views

SFTP Timeout on download

my server keeps timing out when i attempt to download a handfull of files at once. i'm running ubuntu 10.4 LTS sshd_config contains the following tweaks: Subsystem sftp internal-sftp Match group ...
1
vote
3answers
570 views

Remote Connections Timing Out to SSH/HTTP in Parallel from Multiple Locations, but not PING, why?

QUESTION: Remote Connections Timing Out to SSH/HTTP in Parallel from Multiple Locations, but NOT PING, why? ISSUE: Have a web server that has remote connections timing out around 50% of the time in ...
3
votes
2answers
555 views

Why is my SSH session timing out in less than a minute?

Within a minute of connecting to my remote Linux server through SSH, my session times out and I cannot contact the server until a few seconds have passed. Meanwhile, I'm connected to other servers ...
3
votes
6answers
11k views

SSH Session Inactivity Configuration?

I'm trying to zero in on the exact option, or combination of options, that will force each SSH session to be terminated when inactive for a specified time. I'm using Putty to SSH to a RHEL AS3 ...
10
votes
4answers
7k views

Why does my ssh timeout vary with network location?

When I'm ssh'ed into one of our office servers (which run Fedora 10) from home, my session times out after a fairly short period of activity (5 minutes or so). I've tried using TcpKeepAlive on the ...
8
votes
11answers
16k views

ssh session idle timeout

The Solaris machine we do most of our development on has an annoying habit of timing out SSH sessions. Doesn't matter whether the client is my Ubuntu desktop, my Solaris desktop or my Windows desktop ...