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0
votes
2answers
61 views

Ignore or replace host key if it differs

Quite often i put servers into a rescue mode and that obviously changes the host key. So there are situations when i know that SSH host key will be changed temporarily or permanently. And each time i ...
11
votes
2answers
811 views

Why does Google recommend removing SSH keys from GCE for security?

Google recommends removing SSH keys from GCE instance to secure SSH. That does not make any sense to me. The keys are there for a security, right? When I remove the keys, SSHD stops working. I ...
2
votes
2answers
229 views

SSH key and ip address

A co-worker keeps mentioning SSH keys being associates with an IP address but Im not sure what it exactly means. So i tried generating a SSH key and it had my host name at the end of the file. This ...
3
votes
1answer
589 views

SSH host key seems to be changing unexpectedly

I rolled out a new /etc/ssh/sshd_config with Puppet on an Ubuntu 12.04 test server. The config was exactly the same as the previous config, except it had removed the following line: HostKey ...
2
votes
1answer
1k views

Known Hosts ECDSA Host Key Multiple Domains on One IP

Hello, world!, I have a VPS set up with multiple domain names pointing to it. Arbitrarily, I like to access it via SSH through the domain name I'm dealing with. So for example, if I'm doing ...
3
votes
5answers
14k views

How to allow SSH host keys on Linux (Fedora 10 & CentOS 5.2)

I'm trying to set up SSH host keys from our Mac OS X 10.5 Leopard Server-based central backup server to our two Linux servers running Fedora 10 and CentOS 5.2. The process we usually take works and ...
16
votes
5answers
46k views

How to remove strict RSA key checking in SSH and what's the problem here?

I have a Linux server that whenever I connect it shows me the message that changed the SSH host key: $ ssh root@host1 @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: ...