Secure Shell (SSH) is a protocol primarily for encrypted shell connections.

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2answers
25 views

Is it possible to use key based auth AND interactive auth with SSH?

I'd like to use key based auth so I can SSH to linux systems without needing to specify a password and just worry about keeping the key file safe, but there's a chance that someone else (who that ...
-2
votes
0answers
10 views

Linux // Plesk - copying FTP backup to local repo via SSH [on hold]

where do I begin, I have a 20gb backup file on my FTP server saved directly from plesk with the automated backup service. I need to copy this to the local repository but plesk is taking forever to do ...
1
vote
1answer
21 views

Restrict SSH login to public key from public networks, but allow password from internal networks

Assume UserA is allowed to log in by SSH to a server from public networks as well as from within private ones. Is there any option to restrict password-enabled logins to the private networks while ...
0
votes
0answers
13 views

(reverse-) ssh connection “time out during banner exchange”

I have set up a few 100 embedded boxes to contact HQ by opening up reverse ssh tunnels, each under a new port. This is mostly working fine, but today I encountered a problem with using the tunnel ...
0
votes
1answer
29 views

Ssh tunnel with master connection [on hold]

There are three machines A, B and C running linux. I have root access to machines A and B but not to C. A is my local machine and I want to connect to C. C is only reachable through ssh over VPN. I ...
0
votes
1answer
13 views

Ubuntu 12.04 server copy authorized_keys to different server

I have setup key auth on a ubuntu 12.04 server. Is it possible to just copy the content of authorized_keys to another ubuntu 12.04 box that this gets all auth keys as well? This would safe time to not ...
0
votes
0answers
52 views

Centos SSH connection on non-standard port

I connect to my Centos server using SSH on port 22. I also have fail2ban blocking invalid login attempts on port 22. For security reasons I am switching to another port WXYZ and have made the usual ...
3
votes
2answers
39 views

After a while ssh connection freezes when a command run remotely produces a lot of output

The situation is this: there is a an ssh client (Ubuntu 14.04) and an ssh server (Debian 7). There is a bunch of networking in between them. SSH connection is easily (and quickly) established and ...
-1
votes
0answers
18 views

How to reolve Permission denied (publickey,gssapi-keyex,gssapi-with-mic) [on hold]

This question may asked before but i don't understand the concept. Can you please help me here Weired issue from this morning .. see i just push my file to google cloud computing then showing below ...
0
votes
0answers
26 views

Enable root password on remote server

I'm playing around with ssh-with-rsa-key authorization instead of password authorization and because I'm not really clever I've locked password authorization for root(passwd -l root) on remote server. ...
0
votes
0answers
18 views

Lock Down Users on Cygwin SFTP Server

How do I lock down sftp users in Cygwin so that they can't read from random directories such as /etc. i set up local windows accounts for each sftp user on the machine. I've used /etc/fstab file to ...
-1
votes
1answer
38 views

How to use ssh without knowing remote user's password? [on hold]

I am trying to use ssh and login to a different mac (B) from my mac (A) but do not know B's password. Is there anyway of finding B's password or doing this without access to B?
1
vote
1answer
47 views

Kerberos SSH Man-in-the-Middle for Data Sniffing

Kerberos clearly keeps an attacker from getting a user's credentials in an SSH man-in-the-middle scenario (one where the attacker has gotten the user to trust their server's public key and redirects ...
-1
votes
1answer
26 views

How to expose port from behind firewall using ssh? [on hold]

So there is a network (Network A) that I have a computer on that tunnels it's port 22 to my workstations port 2222. Network A is not exposed on a public IP but it uses local IP's for communication ...
0
votes
0answers
39 views

sshd with port forwarding left connections to localhost without counterparty process

After temporary tunnel setup from X.X.X.X , from where I ran ssh -R 1089:localhost:1089 for several days, I have noticed this. I wonder what processes is 2494/sshd connected to, as no counterparty ...
1
vote
1answer
17 views

Instance created from shared snapshot gives Server refused our key error

I have created an instance from a shared snapshot from other aws account,following steps were done by me, 1.Share snapshot from other account. 2.copy it to my account. 3.create a volume from it ...
1
vote
0answers
20 views

How do I set up an ssh -w tunnel VPN between AWS VPC and a Linode?

I'm probably not going to use this for the long term, but I still want to know why this isn't working. I've set up a simple ssh tunnel from my Linode instance to one AWS EC2 instance within my VPC. ...
0
votes
2answers
40 views

How to configure ssh access for an unattended linux-distro ISO image for local development env similar to accessing cloud service VM instances?

I configured Packer.io to build unattended iso installs of various debian-derived distros to VMware fusion. As i configure the VMs manually for ssh access, it times out and the build artifacts created ...
0
votes
0answers
31 views

WS_FTP + OpenSSH - Failure to agree with SSH server on compatible algorithms [on hold]

I set up OpenSSH 6.7 on Windows 2012 Server recently. I'm able to connect to the server using SFTP with a variety of clients, such as FileZila, WinSCP, PuTTY, et al. I sent this off to someone and ...
1
vote
1answer
55 views

Why is fail2ban not banning this attack?

I have fail2ban installed to ban bruteforce attempts on the ssh password. There are business requirements for not disabling password authentication on this machine. fail2ban was installed using the ...
0
votes
1answer
21 views

SCP2, SSH tectia client moving files recursively [on hold]

I am trying to move multiple folders in a directory from either remote to local or local to remote. An example would be <SSHTectiaClientLocation> -r -u -k E:\home\files\\* User@host:/home/ It ...
-1
votes
1answer
32 views

Ip address for ssh in a non internet environment [closed]

I am planning on using SSh.net to create a SSH connection over an offline Ethernet connection via either a hub or switch that are only connected to itself A) is this possible? B) how would I do it? ...
0
votes
1answer
15 views

Cannot SSH to Azure Linux VM from terminal

ssh azureuser@xxx.cloudapp.net : 22 when I connect and enter the password I created, then it just goes back to the local prompt and does not actually show the remote prompt. I'm thinking I need to ...
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votes
0answers
19 views

SSH client side Bandwidth increase [closed]

My university has some 60 kb/s cap on download speed which I want to increase but don't know how . Today I installed psiphon and connected via ssh protocol . I was getting around 400 kb/s to 1.5mb ...
0
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0answers
43 views

Windows Git Linux Tools - Prevent SSH timeout in terminal

I installed Git and included the Linux tools. They rock, except for the SSH times out after five or ten minutes when I am running in the console. It just freezes the terminal until I hit a few ...
0
votes
0answers
13 views

ssh server stops on ESXi 5.5 for no reason

I have a ESXi host that I have never been able to access via ssh. I have tried every tutorial I can find on enabling ssh via the command line and the vSphere client to no avail. I enable the ssh, ...
0
votes
0answers
15 views

Writing a fail2ban multiline regex

I've got some troublesome hosts trying it on with an SSH server I run, and I'm trying to ban them using fail2ban. Problem is, I haven't done much work with regexes, and even less with Python regexes. ...
0
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0answers
17 views

sshd log file entries from the past mixed in with currently occurring entries

I have sshd log entries from the past seemingly randomly mixed in (in time) with the presently occurring log entries. No remote hosts log to this server, rsyslog serves only this box. External ...
2
votes
0answers
46 views

Cannot SSH from Production Server to Backup Server until Restart SSH on Backup Server

We have a hosted dedicated server running CentOS 6.5 that is the production server for our website. I have a local server that has been repurposed as a backup server also with CentOS 6.5 and is here ...
0
votes
0answers
32 views

How to change FTP user/pass over SSH? [closed]

I have an root user on my VPS serevr. Server is based on Linux, Debian - Apache. I have got root user/password to access on it via SSH console. I did something bad and cannot figure out what password ...
-2
votes
1answer
33 views

How to open sftp connection and execute sftp command in the same shell command [closed]

Is there any possibility for opening sftp connection to remote server and execute sftp command in same line from shell. Something like this: sftp user@example.com && put /tmp/test.txt /tmp/ ...
2
votes
1answer
155 views

SFTP-server uploaded files having wrong rights

I have been trying to figure out what is wrong with the file rights. When I am uploading files using FileZilla all the files get rights -rw-r--r--. I would want them to have -rwxr-xr-x. I have tried ...
0
votes
1answer
17 views

Amazon EC2 server cannot connect and access via putty out of sudden

I have a ubuntu server setup in amazon ec2 for few months. Today, out of sudden, the server status is not reacheable and putty is not accessible too. I've also rebooted the system, it seems to be ...
0
votes
0answers
27 views

Openshift for Play: The remote end hung up unexpectedly

I am trying to launch a play project in openshift. The first phase which was nearly 15% of the project was successfully completed and uploaded. So, I guess the initial configuration was okay. Now, ...
0
votes
0answers
14 views

Lost ssh-control on aws ec2 instance after Ubuntu update

During major update of Ubintu on my aws ec2 instance, system asked me if I want to disable ability to ssh under root user, as for most systems it's not used, but simplifies attacks. As by default I ...
0
votes
0answers
18 views

scp a file from one server to another one, got “permission denied” [migrated]

source server IP 162.244.xxx.xxx file -rwxrwxr-x 1 user1 admin 36005278 Sep 10 2013 filename.tar at destination server scp user1@162.244.XXX.XXX:home/filename.tar ./ got a Permission ...
0
votes
0answers
13 views

MobaXterm deleting characters when I hold the left arrow on the command line [migrated]

Many times I am entering long commands in my bash command line and I need to change a few characters near the middle of the command. When I use putty, I can hold the left arrow and wait for the ...
2
votes
0answers
37 views

sshd accepting pub key authentication only for root

I have a peculiar problem with a headless linux box. It's a very high level "embedded" system supposed to handle NAS + mail + ftp + svn + a lot of other server stuff. I received it preinstalled and I ...
0
votes
1answer
23 views

initial ssh login to 14.04 server from Linux Mint 17 always times out

Very strange one this. I have some EC2 nodes running standard 64 bit Ubuntu 14.04 LTS. I use Linux Mint 17 on my laptop, which is also based on 14.04. In my office (in West Cambridge) I can ssh in ...
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votes
0answers
9 views

Cannot SSH on machine behind NAT. DD-WRT router [migrated]

I'm trying to remote access my home Debian from my other office. The home Debian is behind a DD-WRT router, connected from a ADSL modem (Yeh, it's dynamic IP but I have someone to tell me the WAN ...
-1
votes
1answer
21 views

Why does ssh -f create multiple processes when a pipe is used? [closed]

When I on my Linux host do ssh -f 10.10.47.47 "/opt/omni/bin/mbuffer -4 -v 0 -q -I 8024 | /usr/sbin/zfs receive tank/test" then I see on the remote host 27349 ? S 0:00 bash -c ...
1
vote
0answers
19 views

Why is rsnapshot claiming source directory doesn't exist?

I'm trying to set up a backup system using rsnapshot which will copy files from a remote location into a local one. I've got rsnapshot set up, as far as I can see correctly, but when I run rsnapshot ...
1
vote
0answers
45 views

Managing Linux server from PowerShell using built-in credentials

I am the admin of a small Linux cluster running Ubuntu Server 14.04 and my workstation is Windows 10 Technical Preview (yes, a bold move to use it in production). There is an excellent free scriptable ...
0
votes
1answer
37 views

SSH access to hosts groups based on user groups using LDAP

This is my entire test ldap database for now: # extended LDIF # # LDAPv3 # base <dc=ldap,dc=example,dc=com> (default) with scope subtree # filter: (objectclass=*) # requesting: ALL # # ...
0
votes
1answer
103 views

How to SSH to ec2 instance in VPC private subnet via NAT server

I have created a VPC in aws with a public subnet and a private subnet. The private subnet does not have direct access to external network. So, there is a NAT server in public subnet which forward all ...
0
votes
0answers
35 views

Enable activity logging on Cygwin open SSH (sftp) server install on Windows Server 2008 [duplicate]

I've successfully installed and configured OpenSSH using the Cygwin package on a Windows 2008 Server. I have also installed the Syslog-ng Cygwin package and configured it so that I receive basic ...
0
votes
0answers
14 views

How to setup separate projectName/gitolite-admin.git configuration repositories with Gitolite?

I want to setup a Gitolite based installation for hosting git repositories in a small organization for a limited set of projects (100 projects at most, probably less than 30) with repositories under ...
1
vote
0answers
87 views

Unable to use rsnapshot to sync non-owned files but able to do it with plain rsync command

I am trying to use rsnapshot to sync remote file to my own computer. However, I have some trouble when I need to access files which are not owned by user who is SSH-ing to the remote machine. My ...
0
votes
0answers
28 views

Can't set group ID on ssh with sg [on hold]

I am trying to set the group ID on a SSH command with the sg command, so I can then use --gid-owned on iptables. I tried running the command like this: groupadd testgroup sg testgroup -c "ssh -vvv ...
-1
votes
1answer
59 views

VPS novice - What is wrong with sshd_config? [closed]

I've recently acquired a VPS running Debian 7 32bit Minimal and I'm very new to servers. When I try to connect using PuTTY and the SSH Access Information, I get the message "Disconnected:No supported ...