The public-key tag has no wiki summary.
10
votes
4answers
2k views
Is it possible to get OpenSSH to log the public key that was used in authentication?
I have a production system where several different people are allowed to log in to a single account - the account is for the application and not for the person as we don't have personal accounts on ...
0
votes
1answer
15 views
Connect Git Remote Between EC2 New User and Remote Computer
From an Amazon EC2 instance, I created a new user, webserver, and created a git repository that is only accessible to webserver and not the default user. I wish to, from my home computer (also Linux), ...
1
vote
5answers
701 views
Stop ssh client from offering all the public keys it can find?
Like most sysadmins I use openssh all the time. I have about a dozen ssh keys, I like to have a different ssh key for each host. However this causes a problem when I am connecting to a host for the ...
0
votes
1answer
23 views
SSH and GIT auth stopped working all of sudden
After nearly one year using my usual keypair (in my company for our servers), suddenly today it doesn't work anymore. I don't know why. If I do a ssh --vvv I get
ssh myname@myserver.com -vvv
...
-1
votes
2answers
48 views
SCP Asking for Password with RSA Key
I've followed a few tutorials on setting up RSA Public Key Authentication, but I cannot seem to get it to work. I can SSH into the remote machine without a password, but when I try and scp files, I ...
-1
votes
2answers
70 views
ssh use public-key authentication
I use public-key authentication with secureCRT to login linux server and turn off password authentication at these server:
1.Create the keypair(openssh key format) with SecureCRT.
2.Cat the public ...
0
votes
0answers
22 views
debian Linux (squeeze) ssh stalled
I'm facing a strange ssh problem when ssh-ing to an other linux box (authentication with public key).
What I am doing: in a loop I do every second a ssh $remote $somecommand
normally the answer ...
0
votes
1answer
27 views
ssh login using public/private key exchange authorized_keys not working?
I am trying to login from one ubuntu box to another using public/private keys with ssh, but it is not working..
OMD[live]:~/.ssh$ ssh -l myuser -v -i /test/sites/live/.ssh/id.rsa.myuser ...
0
votes
1answer
219 views
SSH to bitbucket returing Permission Denied (publickey)
So I am trying to clone a repo to a directory on my Ubuntu server but I keep getting a Permission Denied (publickey) error.
This is very weird because my output for ssh -T git@bitbucket.org shows ...
0
votes
1answer
45 views
Call Pam module before public key authentication on SSH
I am currently writing a pam module which does some checks if the key stored in authorized_keys is still valid. However I cant find a possiblity to run the module before the public key authentication ...
1
vote
2answers
189 views
Best current authentication cipher for SSH2? Are certain ones only allowed/not allowed? How to tell what cipher an existing key is?
I am a linux newbie. I plan on generally using OpenSSH
I have spent a number of hours & I can't seem too quickly find the answer
I have briefly read some on IETF, however I will be honest its WAY ...
1
vote
1answer
47 views
SSH login without recheck all public key
I have several servers and different users. Also i have two different authorize method: via keys and password.
When i try login ssh recheck all public keys. Is there method to bind public key and ...
1
vote
1answer
3k views
How to configure public-key authentication with vsftpd?
The documentation of vsftpd is quite good (https://security.appspot.com/vsftpd/vsftpd_conf.html), however I cannot find some details on how to use public key authentication. I know that I need ...
1
vote
1answer
50 views
How to check if a password for an ssh key has been set with only the public key?
We have some SFTP-Chroot Environments where we only allow 4096bit RSA Keys for authentication and we only have the public key part from our users. But we have a policy that the user has to set a ...
1
vote
4answers
391 views
Looking for a one step solution to appending my SSH public key to a server's authorized_keys?
To get my public key onto a server I normal copy the contents of my public key, then SSH into the server, then I run vi .ssh/authorized_keys, then paste my key into the file and save.
There has got ...
0
votes
1answer
132 views
ubuntu - public-key for authentication
I have a master and slave cluster. I am setting up cloudera manager.
On the master I created a passwordless key using the following.
ssh-keygen -f id_rsa -t rsa -N ''
eval `ssh-agent`
ssh-add ...
5
votes
4answers
572 views
How to find out which key was used for public key authentication?
Several developers using a shared account on a test server, using public key authentication.
Is there any way to find out which key was used for authentication (e.g. the keys comment)?
1
vote
4answers
335 views
Speed up public key authentication (linux)?
We are using a Mercurial implementation and sending data to a repository server via public key authentication which takes the latest revision and pushes it to our web servers via hooks also using ...
0
votes
1answer
315 views
Connection closed [preauth]
On a Ubuntu 12.04 server, I am getting the following pair of messages in auth.log several times a minute:
Jan 17 22:04:25 binx sshd[14659]: Connection closed by 192.168.0.1 [preauth]
Jan 17 22:04:25 ...
0
votes
0answers
47 views
Authenticating to MySQL with asymmetric key-pair
Is there anyway I can give MySQL a public key to authenticate vs (or in addition to) username/password authentication?
It seems that you can switch out the backend of where MySQL stores/checks ...
1
vote
5answers
315 views
ssh publickey doesn't work
UPDATE: I've solved this strange problem by simply restart sshd. However, I'm still wondering why, because I didn't change any configs since the server started.
I have 2 servers, one installed CentOS ...
1
vote
2answers
2k views
certutil: function failed: security library: bad database.
when I'm using certutil it returns this error: certutil: function failed: security library: bad database.
e.g. I can't list certs or keys
How Can I fix this?
Thanks
1
vote
2answers
175 views
When user in server is not logged in ssh gives: Permission denied (public key)
I'm setting up a ssh server using public key authentication. For that I used this tutorial: http://www.g-loaded.eu/2005/11/10/ssh-with-keys/
I was able to login via ssh. But this works only if I keep ...
-1
votes
2answers
241 views
sshd ignores authorized_keys and keeps trying authorized_keys2
I just uploaded my public key to a server, ensured permissions are right, and when i try to log it simply refuses it.
after enabling loglevel DEBUG in sshd_config i get:
Nov 22 06:53:36 host-1 ...
15
votes
4answers
2k views
Why does Amazon release private keys instead of public keys?
My brain is wrapped around the axle on public and private keys. When you create a cloud server (instance) on Amazon's EC2 service and then want to connect to it via SSH, Amazon requires you to ...
1
vote
4answers
1k views
SSH login without password
I know that you can use ssh-keygen to generate a public/private key pair. Then you can install the public key on a remote server. You can then login without supplying a password. I haven't been ...
2
votes
3answers
660 views
OpenSSH with public keys from database
Is it possible to fetch the public keys from a database instead of the authorized_keys file?
I would like to use such a setup to manage ssh access to things like git repositories for multiple users ...
6
votes
1answer
362 views
Add comment to existing SSH public key
I have an existing SSH key (public and private), that was created with ssh-keygen. How can I add a comment to this existing key?
0
votes
2answers
94 views
Connecting to a remote server using SSH from a Mac
I have generated a public key file (id_rsa.pub) and a private key file (id_rsa) and placed them in my ~/.ssh folder
According to the server admin, he has already added "my key" to the server for ...
0
votes
1answer
89 views
SSH “Key Passing” or Why can't I SSH to a server from a box I'm ssh'd in too
Situation:
I have a Desktop (Debain Sid) that I prefer to develop on.
I have a macbook pro, since we're developing for Mac, that I compile on (Uses Apple SDK's all driven by a scons build so xcode is ...
0
votes
1answer
239 views
Using public/private keys with dreamweaver [closed]
I have managed to set-up SSH keys to login in to my server with, after doing so I have been able to smoothly use putty and filezilla.
However dreamweaver seems to be giving me problems, I can not ...
3
votes
1answer
179 views
Disallow password auth in SSH via ~/.ssh/config?
I know I'm fighting a losing battle here, but with the right bit of elbow-grease I've got my shared hosting with GoDaddy to let me SSH in via pubkey auth (added in the ~/.ssh directory and an ...
1
vote
2answers
800 views
rsync to EC2 using ssh -i
I'm able to ssh -i mykey.pem to EC2. I'm able to scp -i mykey.pem to EC2. But when I try to rsync -avz -e "ssh -i mykey.pem" I get this error:
Warning: Identity file mykey.pem not accessible: No such ...
5
votes
4answers
4k views
Problem using a public key when connecting to a SSH server running on Cygwin
We have installed Cygwin on a Windows Server 2008 Standard server and it working pretty well. Unfortunately we still have a big problem. We want to connect using a public key through SSH which doesn't ...
23
votes
6answers
3k views
SSH: Two Factor Authentication
I currently have a Ubuntu Server 12.04 running OpenSSH along with Samba and a few other services. At the current time I have public key authentication set up, and I'm wondering if it's possible to set ...
1
vote
1answer
3k views
How to enable key forwarding with ssh-agent?
I've used the ssh-agent from oh-my-zsh to manage my SSH key. So far, so good, i only have to type the passphrase for my private key once when I start my shell and public key authentication works ...
1
vote
1answer
44 views
Overriding RPM public key database
Can rpm be persuaded to import and fetch public keys from an arbitrary pubkey database?
On the same build machine I've got two automated users who each need to verify package signatures from ...
1
vote
1answer
56 views
Non-interactive SSH connection fails - error: can't open /dev/tty: No such device or address; Host key verification failed
Below you can see the log.
The connection is from a Cygwin SSH client to a Cygwin SSHD server.
The connection works ok when launched from the command line but fails when launched from Jenkins (Java ...
0
votes
1answer
811 views
SSH Public Key Authentication not working with PuTTY
I have created a virtual machine and installed Redhat 6. I am having issues connecting using public key authentication.
I can use PuTTY on my Windows host to connect to the redhat guest, where I am ...
0
votes
2answers
154 views
Google 2 factor authentication on Ec2?
I have set up google two factor authentication on my local machine. So when I do :
ssh localhost
I need to verify the code along with password. But when I try to connect to my Ec2 instance like so ...
0
votes
2answers
444 views
how to change password of AWS EC2 instance
I am logging in my AWS EC2 instance using winscp/putty as root using a .ppk file which has imported-openssh-key.
Earlier it was shared with many ppl, who are all gone, so now I have to change it in ...
1
vote
1answer
1k views
Unable to submit certificate request to 2k8R2 CA
I have created a two-tier CA using Windows Server 2008 R2. The .inf files used to create this standalone root and an enterprise subCA are at the end of this post.
The root is installed OK and issued ...
2
votes
3answers
477 views
How can I enable both password and public key authentication with OpenSSH
I would like for sshd to verify the users' public key and then prompt for their password, rather than just one or the other. Is this possible?
8
votes
4answers
509 views
Encrypt temporary password using public ssh key
I manage a virtual office and our staff uses both SSH keys and passwords for authentication. If one of our staff forgets his password, is there a way to encrypt a temporary password using his public ...
0
votes
3answers
4k views
Key-Based SSH Permission denied (publickey) Ubuntu 12-04
I have configured sshd to accept key-based ssh logins with LogLevel on DEBUG, and uploaded my public key to ~/.ssh.authorized_keys, where permissions are set as:
700 ~/.ssh
600 ~/.ssh/authorized_keys
...
3
votes
1answer
118 views
How to log all fingerprints in sshd, even if the connection was unsuccessful?
I understand that by adjusting the LogLevel in /etc/ssh/sshd_config I can log the fingerprints when authentication is successful, but what I would like to do is to see a fingerprint of a key that was ...
1
vote
1answer
141 views
Why is SSH insisting on letting me log in?
I'm trying to disable logging in by password on a remote Ubuntu server, so that it's only accessible by using the encrypted key file thingy (I'm not totally clear on the terminology).
I followed ...
0
votes
1answer
139 views
SSH and public/private key [closed]
I'm opening my SSH to the world on my home based server. I changed the default port. I made the passwords for root and the only manually added user (done at install time) to totally random 64 ...
3
votes
5answers
13k views
Debian. How can I securely get debian-archive-keyring, so that I can do an apt-get update? NO_PUBKEY
I have a catch 22 trying to:
# apt-get update
[... good lines omitted]
W: GPG error: http://backports.debian.org lenny-backports Release: The following signatures couldn't be verified ...
1
vote
1answer
284 views
Problems accessing EC2 instance with SSH key pair
Just set up a new EC2 instance, downloaded the pem file and currently cannot get into the box. I'm using the command...
$ ssh -i .ssh/key.pem ubuntu@ec2-176-34-183-***.eu-west-1.compute.amazonaws.com
...
