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- Can someone explain how sshd does privilege separation?
sshd 10072 0 2 0 0 71272 3016 ? S 10:56 0:00 \_ sshd: unknown [net] There you see the privileged process running under root privileges (10071) and net-child (sshd: user [net], running under sshd user, and usually under some sandbox which prevents most of the privilege escalation attacks, it there was a hole in the code
- OpenSSH default preferred ciphers, hash, etc for SSH2
25 When using OpenSSH server (sshd) and client (ssh), what are all of the default program preferred ciphers, hash, etc (security related) and their default options (such as key length)? So, what are the defaults for symmetric key, MAC, key exchange, etc
- QID 38909 SHA1 deprecated setting for SSH (RHEL 8. 6)
The ssh -Q key command lists the key types that are supported by the SSH client The output from the usr bin sshd -tT command you posted lists the ciphers that are enabled on the SSH server So you need to go and re-read the OpenSSH documentation and understand what the different commands and configuration options actually do, and then work out which ones you need to set to solve your problem
- Creating port-specific SSH authentication for the same user
2 You could run two ssh daemons listening on separate ports by using two sshd_config files and the -f option of sshd One configuration file would include the OTP pam module whilst the other would only allow key-based authentication Both would then authenticate the user against their own private key regardless
- OpenSSH Disabling Diffie-Hellman (DHE) key exchange
I'm seeking to mitigate CVE-2002-20001 by disabling DHE key exchange through OpenSSH on an Ubuntu instance I understand this can be achieved through editing the etc ssh sshd_config at line
- ssh-keygen: sshd host key setup - Information Security Stack Exchange
When setting up an sshd daemon and generating a host key with ssh-keygen -A what options are best practice to add? How do I remove keys which may have already been auto-generated with sub-optimal
- SSH Server Configuration Best Practices? - Information Security Stack . . .
I have been tasked with reviewing the settings of an SSH server, I'm currently trying to figure out what are the best practices, and I'm having a bit of trouble finding a good answer I keep findin
- rsa - Is allowing root login in SSH with PermitRootLogin without . . .
I have set my live IP in etc hosts allow, and deny all other hosts I have also set PermitRootLogin without-password in etc ssh sshd_config Is that a secure method? Can an attacker crack my key
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