Read The Docs

Set Up IKEv2 VPN Server and Clients

Compared to IKE version 1, IKEv2 contains improvements such as Standard Mobility support through MOBIKE and improved reliability. This is my personal snippet to set up IKEv2 VPN server & clients for multiple servers.

Snippets

Configure IPsec/XAuth VPN Clients

IPsec/XAuth mode is also called "Cisco IPsec". This mode is generally faster than IPsec/L2TP with less overhead. IPsec/XAuth ("Cisco IPsec") is natively supported by Android, iOS, and MacOS. There is no additional software to install for them.

Snippets

Configure IPsec/L2TP VPN Clients

This is the next part after you successfully set up your own IPsec VPN server. Following these steps allow you to configure your Android, iOS, MacOS, and Linux machine using IPsec/L2TP VPN.

Snippets

IPsec (L2TP, XAuth, IKEv2) VPN Server Auto Setup

Since PPTP VPN no longer supported by Apple's built-in VPN client on macOS Sierra and iOS 10. I have to use other VPN protocols to access my internal networks. These gems allow us automatically configure IPsec VPN server setup.

Security

Trying Gmail Confidential Mode for G Suite Users

Gmail confidential mode allow G Suite users sending emails with expiration date, in additional, the recipients won't be able to forward, copy, print, or download email content or attachments and sender can be revoke email message any time.

Stories

Story Behind The All New devilzc0de: Migration Process

In May 2019, I decided to migrate devilzc0de forum from MyBB to Discourse. Migrating this community forum with more than 300.000 users and more than 600.000 posts and topics to another platform with different database backend and program languages is pain in the a**.

Security

ZombieLoad: Serious Intel Processors Security Flaw

Security researchers discovered security flaw in Intel processors allows malicious hacker to steal any data that's been recently accessed by the processor. Almost every computer with an Intel chips since 2011 (Ivy Bridge) are affected by the vulnerabilities.

MacOS

MacOS Is Not The Same Family Tree With Linux, It Never Been

Many people think that MacOS is "Modified Linux" with a beautiful interface. The truth is: MacOS isn't associated with Linux in any way. What we call macOS nowadays is operating system developed by NeXT.Inc in 1980s called NeXTstep.

Windows

Windows launch New Open-source Terminal Application

On May 2019, Windows launch is a new terminal application for command-line users. It includes many of the features like Unix / Unix-like terminal apps such as tabs, rich text, theming & styling, and more. As of today, the Windows Terminal and Windows Console have been made open source!

Stories

ditatompel.com v4: New Design Interface and Features

It's about 2 years since I create ditatompel.com (v3) using Material UI, a set of Facebook's React Components that Implement Google's Material Design. A few day ago, I decide to re-make the site back to 2013's design interface using Bootstrap.

Security

Compromised Zimbra Server Running zmcat/dblaunchs Malware 100% CPU Usage

Recent Zimbra XXE / SSRF Vulnerability Disclosure (CVE-2019-9670) being actively exploited. Security researcher An Trinh details his findings regarding a vulnerability which, if exploited, could allow an attacker to RCE on an affected Zimbra system.

Codes

Katanya Internet Positif Python Script Bind Named

Katanya Internet Positif adalah script sederhana untuk mengambil data blacklist dari trustpositif.kominfo.go.id, melakukan filterisasi kembali terhadap duplikasi domain atau alamat wildcard IP yang tidak valid, dan melakukan convert untuk konfigurasi BIND DNS zone blacklist.

Security

Cloudflare Reverse Proxies are Dumping Uninitialized Memory

Between 22 Sep 2016 – 18 Feb 2017 passwords, private messages, API keys, and other sensitive data were leaked by Cloudflare to random requesters. Data was cached by search engines, and may have been collected by random adversaries over the past few months. Many people call this issue Cloudbleed.

Codes

Manipulasi Enkripsi Password

Manipulasi enkripsi password MD5 ke SHA1 Melakukan manipulasi MD5 hash seolah-olah menjadi sebuah SHA1 hash.

How To's

Firewall iptables Port Knocking

Berbagi tips untuk meningkatkan keamanan server dengan menggunakan teknik port knocking. Port knocking adalah sebuah cara untuk membuka port tertentu dengan cara mengirimkan paket ke sedetetan port2 tertentu yang telah ditentukan sebelumnya.

Security

Spoofing SSL MITM Attack Juniper SSL VPN & UAC

Kemungkinan melakukan man-in-the-middle attack untuk melakukan spoofing SSL server pada Juniper SSL VPN & UAC.

Thoughts

Himbauan Untuk Warga devilzc0de Tentang #opUAN / #opUN

Belakangan ini ane liat di facebook, forum2, dan beberapa situs sosial media sedang marak adanya #op[a-z]. Terutama #opUN atau #opUAN yang mentargetkan situs2 .SCH.ID dan meninggalkan pesan yang intinya tidak setuju dengan adanya UAN.

Codes

spys[dot]ru Proxy Checker [PHP]

Script untuk cek list proxy dari spys.ru dengan fitur pengecekan proxy tersebut cukup cepat atau tidak sesuai dengan koneksi internet yang digunakan.

How To's

Membuat Lab Virtualisasi Pada Jaringan Lokal

Beberapa teman bertanya dan tertarik untuk belajar build server. Kebanyakan dari mereka berfikir bahwa untuk belajar build server / maintenance server itu butuh VPS atau bahkan dedicated server. Sebenarnya kita bisa memanfaatkan VirtualBox untuk membangun lab virtualisasi lokal.

Codes

Script PHP Cek Double Entry Dari Setiap Line Dalam 1 File

Script untuk pengecekan double entry dari setiap linenya dalam 1 file. Dapat digunain juga untuk pengecekan wordlist, email, password, proxy, dll

Codes

PHP E-Mail Advanced Validation ( Format, MX Host, SMTP Mailbox )

Sebuah script PHP sederhana untuk melakukan validasi E-Mail melalui format penulisan, MX record, dan SMTP mailbox.

How To's

Koneksi Ke Internet Modem Smart ZTE AC2726i pada Linux

Berikut ini adalah tutorial untuk melakukan koneksi ke internet dengan modem Smart Fren ZTE AC2726i atau ZTE AC2726 ( Dual Mode USB Modem ) menggunakan wvdial.

How To's

Scan MS08-067, Conficker, Regsvc dan SMBv2 DoS Dengan Nmap

Contoh perintah Nmap untuk melakukan scan MS08-067 Vulnerability, Conficker, Regsvc dan SMBv2 Denial of Service.

Thoughts

Computer Experts

Mengenai job desk Programmer, NOC Engineer dan System Administrator berdasarkan tingkatan-tingkatan-nya. Dan mungkin juga sedikit menjawab misteri dari seorang hacker.

How To's

Konfigurasi PHPMyAdmin Untuk Multi Database Server

Cara mengkonfigurasi aplikasi PHPMyAdmin sehingga dapat digunakan untuk memanage multi MySQL database server.

Thoughts, stories and ideas.

Set Up IKEv2 VPN Server and Clients

Configure IPsec/XAuth VPN Clients

Configure IPsec/L2TP VPN Clients

IPsec (L2TP, XAuth, IKEv2) VPN Server Auto Setup

Trying Gmail Confidential Mode for G Suite Users

Story Behind The All New devilzc0de: Migration Process

ZombieLoad: Serious Intel Processors Security Flaw

MacOS Is Not The Same Family Tree With Linux, It Never Been

Windows launch New Open-source Terminal Application

ditatompel.com v4: New Design Interface and Features

Compromised Zimbra Server Running zmcat/dblaunchs Malware 100% CPU Usage

Katanya Internet Positif Python Script Bind Named

Cloudflare Reverse Proxies are Dumping Uninitialized Memory

Manipulasi Enkripsi Password

Firewall iptables Port Knocking

Spoofing SSL MITM Attack Juniper SSL VPN & UAC

Himbauan Untuk Warga devilzc0de Tentang #opUAN / #opUN

spys[dot]ru Proxy Checker [PHP]

Membuat Lab Virtualisasi Pada Jaringan Lokal

Script PHP Cek Double Entry Dari Setiap Line Dalam 1 File

PHP E-Mail Advanced Validation ( Format, MX Host, SMTP Mailbox )

Koneksi Ke Internet Modem Smart ZTE AC2726i pada Linux

Scan MS08-067, Conficker, Regsvc dan SMBv2 DoS Dengan Nmap

Computer Experts

Konfigurasi PHPMyAdmin Untuk Multi Database Server

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