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1answer
72 views

Problems with SSH

I'm having issues with one of my computers on my server accepting my key. I've used this key on other computers I've set up before with no problems, I can SSH using it into many different servers. ...
11
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2answers
9k views

How do I validate a RSA ssh public key file (id_rsa.pub)?

Are there any command I can verify the public key (id_rsa.pub), just the format only Sometimes I have added a new linebreak, sometimes the file missed the ssh-rsa prefix, so are there any command to ...
2
votes
1answer
262 views

Is there a way to see which groups/users have access to an RSA key container?

I used aspnet_regiis to create an RSA key container (machine container). I want to secure it and I know I can use the -pa and -pr commands to specify access. But is there a way to see which ...
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3answers
1k views

OpenSSH server Authentication refused

I am running a Linux version 2.6.27-vpac2 on a PXA270 platform (armv5tel) I have a version of OpenSSH 3.8.1 p1 (Debian-8.sarge.4) trying to get to run on it. I have run the sshd in -ddd format to ...
2
votes
1answer
53 views

How can an RSA key be placed in a “non-folder”?

I lack a lot of knowledge regarding the subject so please excuse me if my question is very ignorant. I just started out with RSA key authentication to my test-server. It did not work at the beginning ...
0
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1answer
184 views

How to check whether our RSA certificates are 1024 bits and above?

Recently Microsoft pushed that certificate keys should be 1024 bits or above. Microsoft minimum key length How can I verify whether a key is 1024 bits or not?
0
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1answer
625 views

login with rsa to my vps

I successfully added a rsa key my root account. since I don't want everything in my root acc, I created a new user. but for some how, I keep getting "server refuses our keys" message :S I did ...
12
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2answers
19k views

How to check if a RSA public / private key pair matched

I have two files, id_rsa and id_rsa.pub, what command can be used to validate if they are the valid pair.
1
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2answers
361 views

Amazon EC2 - Creating new RSA/DSA Keypair

I'm going to keep this quick. A friend of mine's dev locked him out of his EC2. Now I'm not familiar with Amazon EC2, but I've setup my fair share of keypairs. Note: I will get the PEM/PPK ...
2
votes
1answer
1k views

Exim DKIM Error: DKIM: signing failed (RC -101) no matter what private key I try

I have this problem with Exim. DKIM fails on signing outgoing mails. This is the /var/log/exim4/mainlog output (Debian Squeeze): 2012-08-02 17:11:33 1Sx1k5-0004Tk-9D <= me@my_domain.com U=me ...
2
votes
1answer
248 views

Changing RSA passphrase on Windows with TortoiseGit auxiliary programs?

We have designers who are on PCs and are starting to use our git version control repositories. we are using rsa keys to allow them to connect, and TortoiseGit as the interface. Everything is working ...
6
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6answers
17k views

SSH login using public key failed

On localhost running sshd service. Created two pairs of rsa keys for root and user1 using ssh-keygen. Copied from root/.ssh/id_rsa.pub to user1/.ssh/id_rsa.pub. Changed permissions to 600. Tried ssh ...
1
vote
1answer
148 views

RSA keys - virtual hosts

Setting up passwordless ssh for multiple users has proved to be kind of a pain. Currently I'm the single user of this Ubuntu 10.04 LTS VPS. I was able to establish a single RSA passkey under my ...
4
votes
2answers
770 views

What is the best approach for RSA key management on Ubuntu?

We have 2 dozen servers and we are moving to RSA authentication. Of course, some developers, the IT, some Execs.. etc.. they all send their keys, who knows where they store them, who knows if they set ...
4
votes
3answers
3k views

I created an RSA key but SSH keeps asking the password

On my Mac, I created an RSA key with ssh-keygen -t rsa and saved it as .ssh/authorized_keys on the target server (Ubuntu). I put this in server's /etc/ssh/sshd_config: PubkeyAuthentication yes ...
1
vote
2answers
198 views

Creating AWS Linux instance with github-pulled application

Is it possible to create AWS Linux instance on the fly so that it could pull a source code from a private gihub repository? My main obstacle is that github requires private keys which I assumably ...
5
votes
1answer
1k views

How do I import a RSA SSH key into GPG as the _primary_ private key?

I currently have a SSH key that I've used for a while and I'd like to start using GnuPG with a new keyring. However, given that I've used my key for ages, I would like to still use that key in GPG as ...
1
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1answer
1k views

Why does Keychain compain that id_rsa.pub is missing?

I'm reading this article on setting up unattended backups in Duplicity. I'm in the part called 7.2. SSH KeyCaching I've added the following to my root .bash_profile keychain --clear id_rsa . ...
0
votes
2answers
403 views

What do the different parts of “known_hosts” entries mean?

Below is an known_hosts entry. The part that starts with ssh-rsa and goes to the end is a public key. What are the other parts (the characters before ssh-rsa)? ...
4
votes
1answer
375 views

Can apache use a key agent to store private keys for SSL?

For mod_ssl in apache to work, you need your RSA private key on the server. If the key is passphrase protected, you have to enter the passphrase whenever you restart apache. There is ...
2
votes
1answer
147 views

Correct use of RSA Key Pairs

I have recently began making use of RSA Key pairs to login to various servers I manage and wanted to get some insight on best practice as I recently ran into some issues. Is it best practice to keep ...
0
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2answers
2k views

How to allow password authentication OR key authentication on CentOS 5.7?

is it possible to enable the use of password authentication or key authentication in CentOS 5.7? All I can find is setting PasswordAuthentication to no which forces the use of keys... Thanks
1
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2answers
368 views

Accessing Citrix XenDesktop from outside the domain / firewall

My understanding of accessing a Citrix XenDesktop from a home PC is: Download the Citrix plugin. Go to the Citrix XenDesktop server in a web browser. Type in information, including PIN and number ...
6
votes
2answers
1k views

How To Organize and Use Multiple RSA Keys On Local Machine?

I have Server_A, Server_B, and Server_C. I want to generate unique authentication keys for each, and organize them on my local machine running Lion like so: Put server_A keys in ...
0
votes
4answers
2k views

Despite all the information available, I'm stumped on passwordless logins. Help?

So I have my home computer & a server. I want the server to be able to SSH into my home computer w/out a password. I have followed various tutorials and can ssh from home to server with no ...
27
votes
2answers
9k views

Possible to change email address in keypair?

I've created an RSA keypair that I used for SSH, and it includes my email address. (At the end of the public key.) I've now changed my email address. Is it possible to change the email address on ...
2
votes
4answers
6k 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
1answer
138 views

Setting up RSA with multiple users

I've recently set up a server, and I've set up RSA authentication on said server. My question is, how do I set up RSA authentication for different users? As of right now, the only user that has RSA ...
1
vote
1answer
369 views

Enforce sshd key algorithm

In ssh_config I have the HostKeyAlgorithms parameter where I can enforce the use of DSS algorithm for the key, like: HostKeyAlgorithms "ssh-dss" How can I do this in sshd_config (daemon config) in ...
8
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4answers
12k views

What does this ssh error mean?

This is my last resort. I've been trying to figure out the problem here for hours. Here's the deal: I have copied my private key from machine #1 onto machine #2. Machine #1 is able to connect via ...
5
votes
4answers
579 views

Any point using Denyhosts for SSH when only RSA key logins are allowed anyway?

Right, so if I can only SSH into my box by having the appropriate RSA keys configured, is there any point in using Denyhosts for SSH as well? Or is Denyhosts only looking at keyboard-interactive / ...
4
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4answers
4k views

The RSA key container could not be opened. Windows Server 2008 R2

I am setting up a second asp.net site on our Windows 2008 R2 server. We use a RSA Key Container to encrypt our connection strings. I created a new Application Pool with all the same settings as our ...
1
vote
1answer
812 views

Access CentOS 5 server over SSH with RSA public/private key from OSX

I'm trying to configure SSH access to my CentOS server using an RSA key rather than with a password but it refuses to accept the key. Here's what I've done so far: On client machine (OSX): ...
4
votes
1answer
1k views

What are the Jenkins/Hudson key files for?

After I have installed Jenkins (on Windows), the program folder contains, among others, two files: identity.key (28 lines) -----BEGIN RSA PRIVATE KEY----- MIIEow...... ... -----END RSA PRIVATE ...
1
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3answers
3k views

ssh hostname returns “Bad owner or permissions on ~/.ssh/config” (chmod 600 not working with MingW)

This question is a near duplicate of Robert's question but after trying chmod 600 ~/.ssh/config I still have the same error. I've tried using cygwin and MINGW32 to do the chmod 600. ls -la returns ...
2
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2answers
204 views

openssh: public key failure for one user only

Client: opensuse 10.3, openssh 4.6 host: opensuse 11.3, openssh 5.4 I have a user that has ssh publickey setup to a host, to enable running some scripts through cron. We migrated the host to a new ...
2
votes
1answer
621 views

is there a way to tail a log from remote server without using any user credentials?

I run a script tailing a log in a remote server, like so: ssh userx@someip tail -f /data/current.log|python2.7 monitorlog.py There are dependencies and service requirements that disallows me to run ...
1
vote
1answer
1k views

Gitosis installation of public key not working

I've been following this tutorial to install and setup git on Ubuntu Server 10.04 using Windows 7 as a client. However, after finally figuring out how it works (executed gitosis-init a bunch of times ...
0
votes
1answer
180 views

SSH without password still asks for passphrase

I'm writing a cron job that SSHs into a remote server. Since I'm of course not going to be around to type in a password each time the cron job runs, I need to be able to SSH without a password. I ...
2
votes
1answer
1k views

Can you make default client key length larger for ssh-keygen?

When users employ ssh-keygen to create RSA key pairs, the default key length is 2048 bits. You can override that on the command line with the -b argument, but few users will bother. As mentioned in ...
3
votes
1answer
81 views

Is RSA's SecureID anyless secure in light of the attacks exploiting them?

Additionally, is two-factor authentication in general less secure, and if so, why?
9
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3answers
30k views

How to use openssh sftp command with a RSA/DSA key specified from the command line

The Openssh ssh and scp command provied an -i command line option to specify the path to the RSA/DSA key to be used for authentication. Looking at the sftp man pages I was not able to find a way to ...
1
vote
1answer
578 views

SSH accepts publickey authetication but won't connect with an identify file?

Problem I recently switched to a new web server. I had been using identify files with SSH to connect on the previous server with no problems, but on the new server I can't seem to use an identify ...
5
votes
2answers
1k views

SSH keys: why is id_rsa larger than id_rsa.pub?

My private key (~/.ssh/id_rsa) is a 1766-byte file, but my public key (~/.ssh/id_rsa.pub) is only 396 bytes in length. Why the massive difference? Is it because the private key is encrypted using AES? ...
2
votes
1answer
4k views

Fallback authentication if mod_auth_kerb fails

Is there a way for Apache to fall back to a different authentication method if Kerberos authentication (for some reason) fails? The order of the authentication methods should be: Kerberos Active ...
1
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0answers
79 views

change symmetric key in a SSL connection?

I'm analyzing (for didactic reason) the SSL security, and now I'm focusing on the symmetric key used for crypt the data on SSL tunnel. I read that at the first access to the server, both client and ...
3
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2answers
300 views

Centrally managing logins to lots of linux machines

We have a growing collection of servers, both physical and virtual, which we need to login into. Login is usually with SSH, using an RSA key pair rather than a password (which is switched off in SSH ...
1
vote
1answer
148 views

Private and public key negotiations over SSL protocol

I understand how public key encryption works and I understand how it works into SSL. Server sends encrypted(public) key so I can send it a message but only it knows the private key to decrypt it. ...
1
vote
2answers
4k views

How to manually know the RSA2 key finger print?

When I grep in the etc folder, I get this message: grep: ssh_host_rsa_key: Permission denied. Since I am on cygwin, I can't use sudo or something else. Please let me know how to find it out.
1
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1answer
209 views

RSA fingerprint [closed]

what is the benefits of SSH RSA Fingerprint? and how does it different from PGP ? also how can i use it? are there any tool to do this? regards