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Results tagged with openssh
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user 42391
A free and open implementation of the SSH communication security tools.
1
vote
changing defaults when generating new SSH server keys
Run this (as root) instead:
#!/bin/sh
# clean up old keys or complain you're not root
cd /etc/ssh && rm ssh_host_*key* || echo "Run this as root!" >&2 && exit 2
# generate; see https://stribika.g …
- 12.1k
4
votes
Accepted
Consequences of .ssh/authorized_keys being world-readable
Debian had to create the openssh-blacklist package as a short-term solution to ensure the weak keys could be weeded out. …
- 12.1k
1
vote
Cannot use "ecdsa" and "rsa" in parallel when using SFTP
SSH (ssh and other programs that run it, such as scp and sftp) stores its keys in ~/.ssh/known_hosts by default. It identifies hosts by their keys.
In this case, you presumably have one of those keys …
- 12.1k
300
votes
Accepted
What are ssh-keygen best practices?
The OpenSSH defaults are safe to trust. … default ("first-preference") in OpenSSH 8.5 (2021-03-03). …
- 12.1k
4
votes
Accepted
Best practices for securing SSH access? Is certificate-based VPN server a good solution?
OpenSSH is rather secure out of the box. The risk of suffering exploits, especially if you regularly update it, is quite low. I consider it more secure than even the best VPN servers. … I believe OpenSSH also supports certificates, but I suggest ED25519 keys instead.
For a higher level of security, you can also set up 2FA. …
- 12.1k