| What is OSI model? | |
| The OSI model (Open System Interconnection) model defines a computer networking framework to implement protocols in seven layers. A protocol in the networking terms is a kind of negotiation and rule in between two networking entities. | |
| Layers of OSI model: | |
| Physical layer | |
| The Physical layer is also called as the Layer 1. Here are the basic functionalities of the Physical layer: | |
| Responsible for electrical signals, light signal, radio signals etc. | |
| Hardware layer of the OSI layer |
| // Turn off "Sends data to servers when leaving pages" | |
| user_pref("beacon.enabled", false); | |
| // Prevention of some telemetry related to the newtab | |
| user_pref("browser.newtabpage.directory.ping", ""); | |
| user_pref("browser.newtabpage.directory.source", ""); | |
| user_pref("browser.newtabpage.enhanced", false); | |
| // "In the release channels the Mozilla location service is used to help in figuring out regional search defaults." | |
| // Which means sending collectable data |
| =========== ./BANANAGLEE/BANANAUSURPER/BG2200_UPGRADE/UPGRADE/BUSURPER-2211-611.exe =========== | |
| 00000000 l df *ABS* 00000000 upgrade_pix.c | |
| 00000000 l df *ABS* 00000000 change_page_permission.c | |
| 00000000 l df *ABS* 00000000 osVersionChecking.c | |
| =========== ./BANANAGLEE/BANANAUSURPER/BG2200_UPGRADE/UPGRADE/BUSURPER-2211-614.exe =========== | |
| 00000000 l df *ABS* 00000000 upgrade_pix.c | |
| 00000000 l df *ABS* 00000000 change_page_permission.c | |
| 00000000 l df *ABS* 00000000 osVersionChecking.c | |
| =========== ./BANANAGLEE/BANANAUSURPER/BG2200_UPGRADE/UPGRADE/BUSURPER-2211-622.exe =========== | |
| 00000000 l df *ABS* 00000000 upgrade_pix.c |
| #!/bin/bash | |
| # Sync Blocklists. | |
| # by boTux. | |
| # inspired by : | |
| # https://gist.github.com/raidzero/9202581#file-blocklist-update-sh | |
| # https://gist.github.com/jult/e76c628899bd5aa3c33a | |
| # Add cron : | |
| # tout les jours a 05:00 |
ℹ️ Please note this research is from 2016 when Opera has first added their browser "VPN", even before the "Chinese deal" was closed. They have since introduced some real VPN apps but this below is not about them.
🕵️ Some folks also like to use this article to show a proof that the Opera browser is a spyware or that Opera sells all your data to 3rd parties or something like that. This article here doesn't say anything like that.
When setting up (that's immediately when user enables it in settings) Opera VPN sends few API requests to https://api.surfeasy.com to obtain credentials and proxy IPs, see below, also see The Oprah Proxy.
The browser then talks to a proxy de0.opera-proxy.net (when VPN location is set to Germany), it's IP address can only be resolved from within Opera when VPN is on, it's 185.108.219.42 (or similar, see below). It's an HTTP/S proxy which requires auth.
The Rose Fragmentation Attack was conceived through a need to create disruption in a network. This attack is a combination of the SYN attack and the "Unknown" ICMP attack. The following link is for an in-depth analysis of the attack.
- Latest Standard ISO version x86_64 is recommended (http://alpinelinux.org/downloads/)
- Create new VM ("Linux 2.6 / 3.x / 4.x (64-bit)")
- 1 CPU w/ 512BM RAM and 1 GB default (VDI) disk is more than sufficient
- Default networking (NAT)
- Boot and add Alpine ISO as attached virtual install media
- Default root password is blank (though note - ssh PermitRootLogin defaults to disallow blank passwords and: prohibit-password; switch to yes for Host ssh)
- Run setup-alpine
- Defaults are fine, but you do want "sys" disk setup to sda, y to confirm