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How to

Create Blocking Bad Bots Through Apache in WHM/cPanel

Feri Setyawan - February 4, 2021

Knowledge Base

HTTP/2 Vulnerabilities in Nginx

Feri Setyawan - March 24, 2020

Firewall

Ubuntu updates for TCP SACK Panic vulnerabilities

Feri Setyawan - March 24, 2020

Disk Utility

Configure Disk Quota on Ubuntu Server

Feri Setyawan - March 24, 2020

Knowledge Base

Security Advisory – TCP SACK PANIC – Kernel vulnerabilities – CVE-2019-11477, CVE-2019-11478 & CVE-2019-11479

Feri Setyawan - March 24, 2020

How to

How to stop bad bots from visiting your website

Feri Setyawan - March 24, 2020 0

Recently I noticed in Google Analytics a lot of referral to the page https://www.mydomain-name.com//h/1486338.html that doesn’t exist on one of my website....

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Database

Disable MySQL Strict Mode

Feri Setyawan - March 24, 2020 0

This is enabled by default, but you can disable it in one of a couple ways.

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Email

Zimbra XXE / SSRF Vulnerability Disclosure

Feri Setyawan - March 24, 2020 0

At March 18, 2019 , Rene Ottom, Vice President Product eMail and Collaboration announced that The Zimbra Security team has been...

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How to

How to stop using TLS-SNI-01 with Certbot

Feri Setyawan - March 24, 2020 0

Let’s Encrypt is removing support for domain validation with TLS-SNI-01. If you’re using Certbot and received an email titled “Action required: Let’s...

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Knowledge Base

March 13, 2019: End-of-Life for All TLS-SNI-01 Validation Support

Feri Setyawan - March 24, 2020 0

Let’s Encrypt allows subscribers to validate domain control using any one of a few different validation methods....

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Security

Simple PHP Mail test

Feri Setyawan - March 24, 2020 0

This is a simple task and sometimes we need this for testing Prerequisites

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Most Read

Proxmox 5x “e1000 driver hang” fix

How to Feri Setyawan - March 18, 2021 0

Problem: I started to experience proxmox servers going up and down, an intermittent response on the network (SSH),...

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How To Fix “Device eth0 does not seem to be present, delaying initialization” Error on Centos

How to Feri Setyawan - February 24, 2021 0

check network: # ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP...

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Create Blocking Bad Bots Through Apache in WHM/cPanel

How to Feri Setyawan - February 4, 2021 0

we see a lot of traffic from 'bad robots', these bots cause problems such as high server load, server instability and can...

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Tools for load-testing HTTP servers

How to Feri Setyawan - January 21, 2021 0

Knowing how much traffic your web server can handle when under stress is essential for planning future grow of your website or...

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