Collaborate Disseminate
I setup an internal Root CA with another Intermediate CA, which will issue and sign the certificates for other internal servers.
When I did the “openssl s_client -connect :443”
it shows the error message that “Self Signed C… Continue reading Self Signed Certificate in Certificate of Chain
I would like to have a system with two concurrent users who are not able to see each other’s memory, processes, or data.
So the users shall be able to do whatever they want in their ecosystem, but they should not be able to… Continue reading How to set up two concurrent users with equal rights and permissions?
I have a small web-facing server on my home network. It is headless, and the only way to log in is to ssh with pubkey authentication from within the local network.
I wanted to turn on a 2FA authentication PAM module for any… Continue reading Sufficient to only require 2FA for su elevation?
In an era where everything seems to be getting “smarter” every year, it will probably come as no surprise to find that even relatively middling networking hardware is now packing advanced features and considerable computational power. A case in point is the Dell N1108T-ON Ethernet switch. Despite only costing around …read more
Continue reading Exploring The Dell N1108T-ON Ethernet Switch
I am currently evaluating the impact that the recent NUC Firmware Advisory has on our machines.
What confuses me is that fact that those vulerabilities are scored with
a high risk score, but
require(!) administrative privi… Continue reading Do I need to worry about vulnerabilities that require administrative privileges to exploit?
This question already has an answer here:
Is there anything preventing the NSA from becoming a root CA?
4 answers
How can m… Continue reading Government Root CA installed on computer/browser and Man-In-The-Middle [duplicate]
I am studying for my RHCSA exam, and one of the topics is the ability to “change a forgotten root user password.” This is an official exam objective and even has official Redhat documentation.
How is this not a glaring secu… Continue reading Ability To Change Root User Password (Vulnerability?)
How can I can use one of these SUID files for gaining root access without messing with the box.
This was from LinEnum.sh:
-rws–x–x 1 root root 259272 Jun 1 2014 /old/usr/libexec/ssh-keysign
-rwsr-sr-x 1 daemon daemon 47… Continue reading Privilege Escalation (SUID Files) [on hold]
I don’t have knowledge into programming/cybersecurity so I stumbled upon this site and figured I’d ask a quick question. I worked for about 3 years at company and left as of last week. I don’t know how I remembered this, but … Continue reading Employer Self Signed Root Certificate
You made it to part 4! Here’s a quick overview of what we have broken down so far. We started with some basic vocabulary for cryptographic building blocks and talked about hash functions in Part 1, were introduced to symmetric ciphers, keys, and … Continue reading Ease Me Into Cryptography Part 4: TLS – Applied Cryptographic Foundations