PCI DSS stands for Paymenet Card Industry Data Security Standard. It provides a baseline of technical and operation requirements designed to protect cardholder data. And it applies to every entities involved in payment card process – including merchants, processors, accquires, issuers, and service providers, as well as all other entities that store, process or transmit … Continue reading PCI DSS: Overview
Tag: Security
LastPass Security Incident
I received a mail from the LastPass team Today reporting that parts of its users’ data may have been stolen recently It really scares me! As many people I know use LastPass to manage their personal password, like Email account, netbank account. There is definitely NO 100% safe place in the cyber world. Just a … Continue reading LastPass Security Incident
FTP Active Mode vs. Passive Mode
Continue with my previous post. Now my friend should understand why the solution I gave to him fixed the FTP issue. I illustrated how FTP protocal works in both active and passive mode as below. The biggest difference is which side initiates the data transfer session: In active mode, FTP server initiates the data transfer … Continue reading FTP Active Mode vs. Passive Mode
Passive Mode Settings In FileZilla
My friend called me the other day and asked me to help him troubleshoot the FTP server which runs in his office LAN. The problem is that the outside FTP user is able to connect the FTP server and pass the authentication, but just can not download the files from the server. OK. It sounds … Continue reading Passive Mode Settings In FileZilla
Introduction To VSG (Cisco Virtual Security Gateway)
Cisco Virtual Security Gateway (VSG) brings security capabilities to Cisco Nexus 1000V series switches.
Jackie Chen's IT Workshop 