Ubuntu Networking :: Disable The Default SFTP Server In OpenSSH?

Apr 27, 2010

I have FTPS setup on my ubuntu server 9.10 machine using vsftpd, and I want to disable the default SFTP server in openSSH. I didn't even know it was on until I accidentally connected to it. I tried searching the internet, and it seems that all I should have to do is comment out the line:

Code: Subsystem sftp /usr/lib/openssh/sftp-server restart sshd and it shouldn't work anymore.....except it does. Thinking that /etc/init.d/ssh restart may not have worked, I restarted the machine, but I can still connect over sFTP.

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Server :: SFTP Seems To Fail For NIS Accounts Under OpenSSH 5.x?

Jun 23, 2010

I have recently discovered the following: when I attempt to connect to any of our machines that are OpenSSH 5.x (Ubuntu 10 or OpenSuSE 11.x in our case) as one of the users defined in the NIS domain that fails. For instance, me (user bepstein) can SSH into all those machines but not SFTP.I can SFTP into those machines on the network that are OpenSSH 4.x, however (CentOS 5.3 - 5.4, OpenSUSE 10.3).As a user defined locally on the machine (in /etc/passwd ) I can connect via either SSH or SFTP even if the machine is OpenSSH 5.x.Some further discussion of that issue is available here: http:[url]....

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Ubuntu :: OpenSSH/SFTP Change User/home Directory?

Feb 18, 2010

I'm trying to make it so that when a user logs in they are forced to stay within a certain directory structure. For some reason what I am doing is not working properly.Here are the relevant file informations:sshd_config:

Code:
Port 2238
Subsystem sftp internal-sftp

[code]...

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Ubuntu Servers :: SFTP Setup Using OpenSSH - Network Error?

Jul 6, 2011

I'm new around here and pretty new to ubuntu and linux in general. I am setting Up an sftp server. I set it up using openssh and it worked fine for a few months. Then recently we experienced a power outage. Now the server will boot fine, all users can login locally, but when they try to login remotely they enter their user info and then are denied with some generic network error. Again, being a noob at this I tried to trouble shoot this a little bit but I'm not quite sure what to look for. I believe the ssh service is running but I don't know what else to look for.

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OpenSUSE Network :: OpenSSH Chroot Only Supports Internal-sftp?

Nov 16, 2009

Had my chroot jail all set up and working nicely in OpenSUSE 11.1, upgraded to OpenSUSE 11.2 and had to set:

Subsystem sftp internal-sftp
(which was:
Subsystem sftp /usr/lib64/ssh/sftp-server)
and:
ForceCommand internal-sftp

[Code]...

Of which with-pam is mandatory. I used prefix to put the binaries in a place that would not conflict with the standard distribution, this meant I also needed to change /etc/init.d/sshd so that it referenced the newly compiled version of sshd, and copy /etc/ssh/sshd_config to /opt/etc/sshd_config.

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Software :: Openssh Sftp - Config File - Shows All The Hidden Files (dot)?

May 27, 2010

Where is the config file for the sftp bit? At the mo it shows all the hiddenfiles (dot) and I don't want it too. Don't laugh, I have just configured my proftp for this, and realised, hang on this isn't the program that dishs out sftp!

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General :: Connect To An SFTP Server From A Windows Machine To A SFTP Server Using A DSA Key?

Jul 24, 2011

As a Windows user, I generated a pair of DSA keys from CoreFTP Lite and sent it to a third party that runs an SFTP server. They told me that a valid DSA key needs to have ssh-dsa at the start and the username@systemname at the end. CoreFTP generated neither the ssh-dsa header nor the username@systemname footer. I tried with WinSCP and it didn't generate them either. Is there a difference between how SFTP works between Windows and Linux? If I put a useraccount@systemname at the end of the text will it work? How would the Linux system validate that my system is called "systemname"? If it can't validate, what is the purpose of adding it?

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Networking :: Connect To A Server On (openssh) Through Ssh?

Feb 10, 2010

I connect to a server on linux(openssh) through ssh. Is there a way such that i can hide my IP on that machine so that the server won't know my username and IP address?

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Ubuntu Security :: What's Default Encryption Used By OpenSSH?

Mar 7, 2011

I've read that blowfish encryption is much faster and still safe enough to transfer files between hosts.What's the default encryption used by openSSH? (if not already blowfish)

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Ubuntu Security :: Disable SFTP In SSH?

Sep 3, 2010

I've made an SSH server using OpenSSH on my desktop Ubuntu (10.4) for tunneling. However, I'm noticing that the public account I made for my SSH (one to give to friends to use proxy) has SFTP access to crucial system files. I'm okay with SFTP being enabled on my account, but not on this public account. Does anyone know of anyway to either disable SFTP to that user, or restrict access to important files?

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CentOS 5 :: Compiling Openssh-5.8p1 With Default Configure Parameters

Mar 25, 2011

Now to business. I need to statically build openssh-5.8p1 and the compile fails. some box information: CentOS release 5.5 (Final) arch i686

first thing's first. Quote:yum groupinstall "Development Tools" "Development Libraries"

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Networking :: Accessing A Remote Server Using Ssh Or Sftp

Apr 30, 2010

I cannot access a remote server(Ubuntu) using ssh or even using sftp from my ftp client. I've been accessing this server regularly for many months with no problem until now. There is a web server running and that's OK, so no problems there. I asked the owner of the server if he could access using ssh from within his LAN, which he could! So openssl is working from within the LAN, but not ouside of the LAN. I access the remote server by using one of [URL] free domain names. I'm aware that this service requires renewal or activity at least once a month and as far as I know this is up to date and working OK.

Is this a router gateway problem? I suspect that port 22 has been blocked, but what could block this port? It's been working well for so many months. As far as I can tell the owner of the server/LAN has not been tampering with the router, so what could be blocking port22? I'm currently accessing the server using vnc4server.

Another really weird thing is that when I access the terminal on the remote server via vnc4server and I ssh back to the server using one of [URL] free domain names, it works! So as I understand ssh is accessing itself by going out of the LAN and back to itself. This would suggest that port22 on the gateway router is working. But when I try to ssh from a pc outside of the LAN, I just get timed out!

* openssl working from within the LAN but not outside of the LAN.
* sftp not working.
* domain name from dyndns.com working and up to date.
* Web server is working OK.

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Networking :: Transfer Files From PC To A Sftp Server?

Dec 17, 2010

I would like to transfer files from my PC to my account at a sftp server, and I don't know how to do it.

My PC is running with:
User: User1
Address: 10.0.2.3

My sftp account is:
User: SFTPUser1
Address: sftp-server

I can access the sftp server with the command:

Code:
sftp SFTPUser1@sftp-server
The sftp server doesn't answer to ssh requests.

How can I transfer files to the sftp server?

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Server :: Samba Share - Disable The Default Guest User Login?

Jul 20, 2011

I have a samba server with security user. I have a number of shares inside the share with different users logins. But while accessing the shares from windows, in the login prompt, by default username it takes as the guest. How will I disable the default guest user login ?

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Ubuntu Servers :: Config - Change / Add From The Default OpenSSH Config Files To Get Tunnelling To Work?

Jul 10, 2011

I'm running Ubuntu Server 11.04 with OpenSSH, trying to create an ssh tunnel (for web traffic) to it from my (also Ubuntu) laptop. This is the command I'm using to create the tunnel:

Code: ssh -ND localhost:8080 george@192.168.1.20 I had it all working on a virtual machine.. which was deleted What settings/lines do I need to change/add from the default OpenSSH config files to get tunnelling to work? I've Googled and AllowTcpForwarding is set to yes, as is X11Forwarding.. but it still doesn't work. Chrome can connect to the server, but says the connection was closed before any data was sent.

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CentOS 5 Server :: Openssh 5.8p2 - Transfer Data From Other Server Through Scp It Gives Connection Refused?

Aug 1, 2011

I have configured openssh 5.8p2 with centos 5.6. My sftp is working fine with chroot environment but i am having problem with SCP. I am dealing with muliti Redhat servers. When i try to transfer data from other linux server through scp it gives connection refused. For e.g ssh 5.8 is configured on new server and i want to transfer files from old server which is using openssh 4.3 version.i created same username and password on new server as on old server.My sftp users on new server has no shell access but only sftp access. When i try to scp from old server to new server it gives error connection refused. Is the below configuration only for sftp and can't scp? According to google the configurations i found are for scp and sftp. Do i need to generate ssh keys by giving users on new server shell access, once created then stop shell access again, as i dont want to give shell access permanent for security reasons? but i want to use ssh keys for more security as well.

Port 22
PermitRootLogin no
1.override default of no subsystems[code].....

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Ubuntu Servers :: Sftp On Vsftpd - Make / Force All Users To Use Sftp And Not Just Ftp

Apr 13, 2011

i have a vsftpd server running well but i want to make/force all users to use sftp and not just ftp is this possible?

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Ubuntu :: Getting Openssh Server To Accept Connections In 10.04?

Jul 13, 2010

I'm having problems getting openssh server to accept connections in Ubuntu 10.04.Here's what I've done (twice): Installed Ubuntu 10.04 on USB drive with pendrive installer. This creates a default user "ubuntu" and you don't get the chance to choose a password for it. Started a keyring for network access and selected password. Works.Enabled VNC and selected password. Works fine with VNC client on local network. Logs in as "ubuntu" user and asks for the VNC password, then connects. Note: the client doesn't know the "ubuntu" user password, and neither do I! However, it works.Installed openssh client and server from Ubuntu s/w center.

$ ssh localhost OR $ ssh ubuntu@localhost try to connect, but asks for password, which I don't know (see step one, above) so, then I created a new user, with known password, logged in as new user in Ubuntu, works.however, $ ssh newuser@localhost still fails, even when correct password for <newuser> is supplied. Rejects the password three times, then gets the usual error about keys.I also tried connecting with an SSH terminal app from my iPad, again using <newuser>. It gets essentially the same error, "failure to authenticate".

All this is still on my own LAN, haven't gotten to going outside the router yet.What I want to do in the end is use VNC over SSH from a client on my iPad to talk securely to Ubuntu while I'm traveling.

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Ubuntu Servers :: 10.4 Apt-get Install Openssh-server Failure?

May 8, 2010

I'm trying to get openssh-server working so I can stop using the family TV and just SSH from my laptop. I've only just installed 10.4 server edition, and I've made a change to /etc/apt/sources.lst by removing the # in front ofdeb cdrom:[Ubuntu-Server 10.04 LTS Anyway I run:sudo apt-get install openssh-server

Code:
Reading package lists... Done
Building dependancy tree

[code]....

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General :: OpenSSH Server Restarts Twice When Booting - Ubuntu 9.10

Mar 20, 2010

Changes I've made to the config files:

Connecting with PuTTy works fine with my public/private keys. But why does sshd start and then restart twice when booting? I tried looking in the logfiles under /var/log/ for anything with ssh/sshd but nothing shows up.

Ubuntu Server 9.10

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SUSE :: How To Setup OpenSSH Client/server

Mar 2, 2009

How can i setup SSH server on one machine and openssh client on another machine running suse 10.3

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Debian :: Recompile Openssh-server With Different Version ?

Dec 26, 2009

I would like to recompile the openssh-server with a different version string. I download and compile the source, but so far I have only been able to compile and run the client. Not the server.

Steps taken:

Is there a flag or option I need to specify to insure that it creates the sshd?

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General :: Ssh_config On Openssh Server Not Working?

Jul 4, 2011

I have problem with the config file for clients which is ssh_config or ~/.ssh/config

every config that i write in them not working fore example when I change the escape character to ! its not working or any other config I checked with another system that has the same OS ((debian 6)) but the problem was there too

Do I missing something here that cause this? like enabling client configuration ?

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CentOS 5 Server :: RPM Build Error Openssh 5.8p1?

Jul 19, 2011

I am trying to build rpm for openssh 5.8p1 on centos 5.6 (32 bit) as i have not found rpm for i386 online. i followed the below mentioned steps but when i apply command rpmbuild -bb openssh.spec it gives this error at the end:

configure error: Pam Headers not found
error: Bad exit status from /var/tmp/rpm-tmp.18348 (%build)

if there is any rpm availble online or to sort out this build problem,Following steps i followed to build rpm. wget http://mirror.mcs.anl.gov/openssh/portable/openssh-5.8p1.tar.gz

tar -xvzf openssh-5.8p1.tar.gz[code]......

Now if you go back into /usr/src/redhat/RPMS/<arch> , you should see three RPMs. Go ahead and install them:rpm -Uvh *.rpm

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Ubuntu Networking :: Disable Dhcp3-server On Startup?

Jun 26, 2010

I have an old Linksys WUSB54G USB wireless card lying around, and occasionally I like to use it as an access point for my laptop. For assigning IP addresses I use dhcp3-server. The only problem is that the server attempts to start itself up on boot, which I do not want- I want to start it up manually if I need it. how to disable this service on boot?

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General :: OpenSSH Server Reporting Wrong Version?

Aug 3, 2009

My Fedora Core 8 server came with OpenSSH Server 4.7p1 installed. I could not find a YUM package or RPM for 5.2p1, so I installed it manually and rebooted. Now if I do a version check with "sshd -v", it reports it's version as "OpenSSH_5.2p1", but if I connect with Putty, it reports "SSH-2.0-OpenSSH_4.7". Do I have two versions of OpenSSH running or what's going on?

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Debian :: Enable Web Interface To Access Openssh-server On My Vps?

Feb 10, 2011

Is there a way to enable a web interface to access openssh-server on my vps incase i'm on a network that does not permit outbound port tcp 22 or any other port of my choosing?

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Debian :: Enable A Web Interface To Access Openssh-server?

May 31, 2010

is there a way to enable a web interface to access openssh-server on my vps incase i'm on a network that does not permit outbound port tcp 22 or any other port of my choosing?

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Server :: Pure-ftp / Openssh Failures - Transfer Files

Apr 22, 2010

I need by searching this site so I haven't had a need to sign up since I can't really help anyone as of yet. With that said here is my problem: I'm running a VPS with CentOS RHEL 5 host-in-a-box, I just did a rebuild of the server and after a day or two pure-ftpd and sshd unexpectedly close out any incoming connections. I am the only one that uses ssh and ftp so I'm not sure what the problem could be. I checked the logs and there is nothing to do with not being able to bind on the address.

I tried connecting through ssh in verbose mode and it connects to the server just fine, but drops the connection before it asks me for my key pass phrase. If I enable password access it will drop before it asks me for it's password. I've tried restarting sshd and ftpd. I've tried rebooting the machine. I've tried google, but this problem seems to need a little more specific trouble shooting. I can get in through console access, but that doesn't help me much when I need to transfer files.

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Ubuntu Networking :: OpenSSH Public Key Authentication Not Working?

May 22, 2010

I'm trying to get OpenSSH public key authentication to work. My server runs ubuntu. My client is a windows machine, and I'm using cygwin. I tried using the instructions here: [URL]... If I test it out using this line: ssh -v -v -v -o PreferredAuthentications=publickey server.example.org

I get this:
debug3: no such identity: /home/Julie/.ssh/identity
debug1: Offering public key: /home/Julie/.ssh/id_rsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug3: Wrote 368 bytes for a total of 1477

[Code]...

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