Useful tips for everyday
Where can I use wildcard certificate? A wildcard certificate is a certificate that can be used for multiple sub-domains of a domain. For example, a…
What is OpenSSH public key format? The OpenSSH public key format¶ The public key saved by ssh-keygen is written in the so-called SSH-format, which is…
What is favicon ICO virus? The favicon (.ico) malware creates rogue favicon.ico or random .ico files which contain malicious PHP code inside them. It pollutes…
How does JWT prevent replay attack? The JWT spec provides the jti field as a way to prevent replay attacks. Though Auth0 tokens currently don’t…
Can you decrypt https traffic? Decryption is possible with a text-based log containing encryption key data captured when the pcap was originally recorded. With this…
Is Keybase IO legit? Yes, really. Anyway, what matters is that keybase.io is an open source app that uses end-to-end encryption, meaning: Keybase (the company)…
Is unencrypted Wi-Fi safe? Encryption has made web surfing safer but not risk-free. Security experts have long advised people to avoid using public WiFi networks…
How to encrypt symmetric key with public key? Encrypt the symmetric key using your public key. Store the public key encrypted symmetric key with the…
Where does Mac put imported photos? When you import photos and videos into Photos, they’re copied to the Photos library in the Pictures folder. If…
How do I turn off Microsoft Office Upload Center? In the new menu box for the Microsoft Office Upload Center Settings, go to Display Options.…