Newest 'ssh-keys+rsa' Questions

0 votes

1 answer

30 views

Github Deploy Key Pattern

My Deployment Pattern I have a setup as shown in the diagram above, where have a github account which owns a number of private repositories. I have a number of machines in the field that each include ...

Kevin John

1

asked Jan 17 at 17:57

7 votes

3 answers

34k views

SSH No Matching Host Key Type Found

I have two servers, S1: My machine, Windows 8, OpenSSH 8.8p1, OpenSSL 1.1.11 2021-08-24, S2: A Remote Server, Linux, Open SSH 5.3p1, OpenSSL 1.0.1e-fips 2013-02-11. The message I have trying to ...

Brethlosze

175

asked Feb 8, 2022 at 1:37

9 votes

1 answer

12k views

SSH keys: ed25519 vs RSA performance demystified

It is claimed that ed25519 keys are better than RSA, in terms of security and performance. In terms of security, I understand that 4096 bits RSA keys are practically unbreakable for the foreseable ...

a06e

373

asked Oct 21, 2021 at 12:44

4 votes

1 answer

1k views

How to validate opendkim generated RSA keys

I'm trying to diagnose OpenDKIM validation errors (see this question). Way down in the belly of the beast, I'm at the point where I'm trying to make sure the keys generated are actually correct. I'm ...

philolegein

409

asked Oct 2, 2021 at 6:36

0 votes

1 answer

552 views

What is the best method for adding RSA Key Fingerprints to known_hosts upon provisioning each server?

This question was inspired by this thread The hypothetical scenario, for context is as follows: SSH servers, whether they be routers, firewalls etc. are all firstly provisioned within a private + ...

Inquisitive

103

asked Jan 19, 2021 at 6:03

0 votes

0 answers

238 views

Issues with seamless ssh connect via public key

I am trying to set up a seamless ssh connection from one server to another for the first time. While I think I managed to create a user and fitting rsa keys just fine, I can't actually connect via ssh,...

daZza

101

asked May 14, 2020 at 9:02

0 votes

1 answer

33 views

which public rsa keybelongs to which secret?

Is there a way to find out which public rsa key belongs to which secret key? I have two pairs lying around, and would like to know ehich one is which.

steffen

157

asked Apr 21, 2017 at 8:27

0 votes

1 answer

1k views

Access with ssh only password without publickey with virtualbox

I tried to setup the ssh-server without publickey , with openssh-server 6.7p1-5 changed sshd_config RSAAuthentication no PubkeyAuthentication no PasswordAuthentication yes Restart ssh service from ...

enjoy343322434

111

asked May 5, 2016 at 13:37

4 votes

1 answer

3k views

Why won't my SSH keys forward properly?

I'm trying to ssh from my machine to another machine and from there to a third machine. When I do it manually, it works like this: localhost$ scp ~/.ssh/id_rsa [email protected]:. ...

Saqib Ali

569

asked Mar 25, 2016 at 3:08

0 votes

1 answer

86 views

Is my private key safe if I use authenticaiton agent forwarding with the ssh -A option?

I love the option to connect to servers via SSH with the -A option, so I can use my private keys on the server. This lets me update git/svn repositories and connect to other servers without the need ...

The Shurrican

2,240

asked Jan 3, 2015 at 22:52

40 votes

9 answers

108k views

Auto accept rsa key fingerprint from command line

I've tried yes | ssh [email protected] to try to accept the RSA key fingerprint, but am still prompted if I'm sure I want to connect. Is there a way to make this automatic?

VenomFangs

657

asked Oct 21, 2014 at 15:07

-1 votes

2 answers

751 views

Putting My RSA Public Key on RSA Key-Secured Server

Hello and thanks for reading, Basically, I'm taking over for someone on some system admin duties, learning as I go, but one problem I've run into is not having my public RSA key put onto a particular ...

Anon

1

asked Aug 25, 2014 at 22:50

14 votes

1 answer

7k views

User@host in a SSH-RSA public key

What role does the user@host that often appears at the end of a public ssh-rsa key play? Is it necessary? Does if serve any purpose in the authentication, or is it simply a record of who and where ...

usedTobeaMember

616

asked Mar 18, 2014 at 13:23

-2 votes

1 answer

9k views

Impossible to connect ssh /root/.ssh/known_hosts': No such file or directory

I can't connect to my server with ssh. I have already started a session with ssh but i know if i quit this session, i won't be able to connect again to my server. ssh [email protected] @@@@@@@@@@@@@@@@...

mpgn

217

asked Jan 26, 2014 at 11:37

0 votes

1 answer

949 views

passwordless scp without keys

I am looking for some option that will allow me to accept files from any server using SCP command. I am aware of the process of creating password-less logins. But what I am looking for is an option on ...

shantanuo

3,589

asked Jan 20, 2013 at 12:15

96 votes

1 answer

179k views

How do I validate an RSA SSH public key file (id_rsa.pub)?

Is there a command I can use to 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 is there a command ...

Ryan

5,871

asked Nov 29, 2012 at 5:13

1 vote

1 answer

204 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 home/...

Bosworth99

180

asked Apr 14, 2012 at 1:51

4 votes

3 answers

9k 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 ...

Dan

317

asked Feb 15, 2012 at 19:40

22 votes

4 answers

25k 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 ...

SineSwiper

2,628

asked Jan 5, 2012 at 15:16

2 votes

1 answer

206 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 ...

pinktrink

21

asked Aug 22, 2011 at 16:22

5 votes

4 answers

936 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 / ...

Dougal

61

asked Aug 7, 2011 at 11:26

3 votes

1 answer

8k 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 ...

user67327

197

asked Jun 5, 2011 at 18:13

9 votes

2 answers

4k 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? ...

splicer

193

asked May 8, 2011 at 18:19

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All Questions

Github Deploy Key Pattern

SSH No Matching Host Key Type Found

SSH keys: ed25519 vs RSA performance demystified

How to validate opendkim generated RSA keys

What is the best method for adding RSA Key Fingerprints to known_hosts upon provisioning each server?

Issues with seamless ssh connect via public key

which public rsa keybelongs to which secret?

Access with ssh only password without publickey with virtualbox

Why won't my SSH keys forward properly?

Is my private key safe if I use authenticaiton agent forwarding with the ssh -A option?

Auto accept rsa key fingerprint from command line

Putting My RSA Public Key on RSA Key-Secured Server

User@host in a SSH-RSA public key

Impossible to connect ssh /root/.ssh/known_hosts': No such file or directory

passwordless scp without keys

How do I validate an RSA SSH public key file (id_rsa.pub)?

RSA keys - virtual hosts

I created an RSA key but SSH keeps asking the password

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

Setting up RSA with multiple users

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

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

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

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