Mike Goh - Page 4

How to Merge Server-side and Docker iptables Firewall Rules

By Mike Goh April 30, 2020Developers Technical TutorialsDocker, SecurityNo Comments

Introduction Docker is widely used to place applications in containers. One of the reasons why Docker is so popular is because of security thanks to its isolation capabilities. For example, it allows you to isolate applications from each other. Installing…

Family Danced with Joy with Revived Wii and New Games Reloaded

By Mike Goh April 28, 2020Daily Rants and Excitement BlogFamily, FunNo Comments

Background When Wii was launched in United States in November 2006, I was with two colleagues in Las Vegas to support our local brand Creative at the Consumer Electronic Show (CES). We had like two days of rest at San…

Host Website on IPv6 NAT VPS with Cloudflare DNS and NGINX

By Mike Goh April 26, 2020Developers Technical TutorialsDomain DNS, NGINX, WebNo Comments

Introduction Cloud services like AWS, DigitalOcean and lesser-known VPS hosting providers sell VM (Virtual Machines). The annual price can range from $20 (less-known providers) to $70 for cloud services like AWS. All VM plans come with 1 dedicated IPv4 address…

How to Resolve iptables: No chain/target/match by that name

By Mike Goh April 24, 2020Developers Technical TutorialsCommand Line, SecurityNo Comments

Introduction If you encounter such error, it means that the CONFIG_NETFILTER module was not complied in your kernel. All VPS (virtual private server) that I owned from DigitalOcean, AWS, Google Cloud and other lesser-known host providers have it by default…

Change Port and Disallow Root Login to Secure SSH Server

By Mike Goh April 24, 2020Developers Technical TutorialsSecurity, ServersNo Comments

When you subscribe to a Linux VPS (Virtual Private Server) from any host providers, the default firewall rule is to accept all incoming connections to any ports hence you can connect via Port 22 using a SSH telnet client like…

How to Secure Server with Firewall using iptables

By Mike Goh April 23, 2020Developers Technical TutorialsSecurity, ServersNo Comments

iptables is a command-line firewall utility that allows a system administrator to configure the IP packet filter rules made possible by the Netfilter modules complied into the Linux Kernel. The rules are kept to a bare minimum on the firewall…

My Supercharged Home Network for Gaming and WiFi Coverage

By Mike Goh April 20, 2020Daily Rants and Excitement BlogFamily, NetworkNo Comments

After getting the keys to my new home, a certain thing is always on my mind during renovation and it was network planning. I am a PC gamer having spent most of my time on online games thus low network…

How to Backup Databases and Files, Rotate and Rsync to Remote

By Mike Goh April 19, 2020Developers Technical TutorialsBackup, Command LineNo Comments

We should always schedule backups for our website files and databases but should never keep the backups only in the server which your websites and databases reside in. If you are on solid cloud providers like Amazon Web Services (AWS)…

What is Clickjacking and How to Prevent It

By Mike Goh April 18, 2020Developers Technical TutorialsNGINX, SecurityNo Comments

Clickjacking, according to Wikipedia, is a malicious technique of tricking a user into clicking on something different from what the user perceives, thus potentially revealing confidential information or allowing others to take control of their computer while clicking on seemingly…

Learned a New Word Today – ‘Clickjacking’

By Mike Goh April 17, 2020Daily Rants and Excitement BlogFun, SecurityNo Comments

Recently, I received an email from my supervisor asking me to do an assessment on a bug. The whole story unfolded as I scrolled down the email conversation. It was a web security vulnerability actually and it was originally reported…

Posts by Mike Goh

How to Merge Server-side and Docker iptables Firewall Rules

Family Danced with Joy with Revived Wii and New Games Reloaded

Host Website on IPv6 NAT VPS with Cloudflare DNS and NGINX

How to Resolve iptables: No chain/target/match by that name

Change Port and Disallow Root Login to Secure SSH Server

How to Secure Server with Firewall using iptables

My Supercharged Home Network for Gaming and WiFi Coverage

How to Backup Databases and Files, Rotate and Rsync to Remote

What is Clickjacking and How to Prevent It

Learned a New Word Today – ‘Clickjacking’

Create Helpdesk Ticketing System with Google Apps Script

Host Multiple Websites with jwilder nginx-proxy and letsencrypt-companion

How to Resolve iptables: No chain/target/match by that name

Change Domain for WordPress Docker Container with phpMyAdmin