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Questions tagged [public-key]

283 questions
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SSH private key to Ubuntu works from command line but not using Remmina

I have been trying to figure out why I can't get SSH working using Remmina SSH client. In an Ubuntu 12.10 environment, I can connect with my server from the command line using openssh server, like this: ssh -i privatekey.pem…
jeffery_the_wind
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putty openssh rsa key signature invalid

I'm running a server with Debian Linux 3.2.46-1+deb7u1 with OpenSSH Server 6.0 and secured the login with a 2048 bit RSA key. Although connecting with OpenSSH Client from another machine succeeds, the connection is refused when using Putty 0.63 on a…
Matthias Hauert
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Windows 8 and SSL's EKU serverAuth flag?

I'm reading this tutorial which says, Your gateway certificate must have: An Extended Key Usage flag explicitly allowing the certificate to be used for authentication purposes. The serverAuth EKU having the OID 1.3.6.1.5.5.7.3.1 (often called TLS…
Evan Carroll
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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 too in-depth & I get lost in the text I have…
gregg
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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 server? Here is verbose : ssh -v root@serv debug1:…
Stepchik
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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 password for their private key parts. Is there a way…
martinseener
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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 credentials but not how you authenticate.
Jason Keene
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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 5 and the other is CentOS 6. ssh publickey works…
Haocheng
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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 the user logged into the server (meaning I have…
Ken
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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 different sources, signed under different keys. If I rpm…
pilcrow
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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 such a way that no one else can access it. I tried…
Pawan
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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 these instructions, which seemed clear and straight…
Questioner
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SSH and public/private key

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 character passwords which I store on a USB thumb…
Alex.Barylski
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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 ...and being asked for a passphrase. I didn't…
user118862
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How to make ssh connection between servers using public-key authentication

I am setting up a continuos integration(CI) server and a test web server. I would like that CI server would access web server with public key authentication. In the web server I have created an user and generated the keys sudo useradd -d…
Rafael
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