Questions tagged [ssh-host-key]

The SSH host key is an identifier of a SSH / SFTP server.

10 questions with no upvoted or accepted answers
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Why am I getting seemingly random fingerprints back when connecting via SSH/SCP?

I manage an application that connects to various servers using a client-specific keypair. We have around 70 customers; all but one can connect to our FTP server (for SCP) after first accepting the RSA ...
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49 views

What are the exact stepts made to establish a ssh connection?

From what I've read, I was able to deduce a number of steps but I am not sure if they cover all action or if they are 100% correct. Initial setup for client Enables ssh service Initial setup for ...
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794 views

computing the exchange hash for ecdsa-sha2-nistp256

I am writing code for an SSH server and can not get past the Elliptic Curve Diffie-Hellman Key Exchange Reply part of the connection. The client also closes the connection and says "Host Key does not ...
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73 views

can I trust the output of `ssh-keyscan localhost`?

I am aware that running ssh-keyscan on a remote host doesn't prove that the remote host is indeed the one you are trying to connect to, only that it's the same one each time, but what about if I run ...
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245 views

Experiencing ssh host key mismatch with x2goclient

x2goclient (on Windows) shows a different ssh host key hash than the output of ssh-keygen -lf /etc/ssh/ssh_host_key_$cypher_ley.pub -E md5 on the host. Connecting with other ssh clients from the same ...
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209 views

Do I have an ssh intruder in my VPS?

I have faced a problem with my VPS. It seems that someone has added his public key to my authorized_keys file and logged in to my VPS. Postponed publickey for xxx from 223.255.145.158 port 52240 ssh2 ...
0
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1answer
85 views

Security against local attack for remote FDE decryption?

Is there any remote FDE decryption that is resistant to an attacker that has local physical access? Tools like dracut-sshd need to store the private key used for the sshd server on the unencrypted ...
0
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1answer
146 views

What are the security risks if my server with github ssh access key is hacked?

I connect to my github repo using ssh keys which I have whitelisted in GitHub. I do pull/push to this repo from my linux server which is hosted in AWS. If a hacker gains access to this AWS server, ...
0
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109 views

SSH (ssh_auth_list) authentication failing from windows to linux

Bit new in ssh and have an issue in understanding. I got a code which uses ssh_auth_list routine as below. method = ssh_auth_list(session); printf(" %d " , method); I am using a ssh library and when ...
0
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2answers
149 views

changing defaults when generating new SSH server keys

On Debian, I can generate new SSH server keys: rm /etc/ssh/ssh_host_* dpkg-reconfigure openssh-server but that will generate the keys with default values, ie 2048 RSA key. What is happening under ...