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# This shell script displays hostname and IP Address of the Ubuntu machine before the login prompt.
# Add this file to '/etc/network/if-up.d/' and '/etc/network/if-post-down.d/' folders and mark them as executables.

# Display Ubuntu default information [the current version of Ubuntu].
cat /etc/issue.net > /etc/issue

# Display the hostname.
hostname >> /etc/issue

# Display the IP Address of eth0.

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/*
This code is public domain.

The MurmurHash3 algorithm was created by Austin Appleby and put into the public domain.  See http://code.google.com/p/smhasher/

This C# variant was authored by
Elliott B. Edwards and was placed into the public domain as a gist
Status...Working on verification (Test Suite)
Set up to run as a LinqPad (linqpad.net) script (thus the ".Dump()" call)
*/

dimzon

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.

When loading a page with Opera VPN enabled, the browser sends a lot of requests to de0.opera-proxy.net with Proxy-Authorization request header.

The Proxy-Authorization header decoded: CC68FE24C34B5B2414FB1DC116342EADA7D5C46B:9B9BE3FAE674A33D1820315F4CC94372926C8210B6AEC0B662EC7CAD611D86A3 (that's sha1(device_id):device_password, where device_id and device_password come from the POST /v2/register_device API call, please note that this decoded header is from another Opera installation and thus contains

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IF EXISTS (
		SELECT *
		FROM sys.objects
		WHERE object_id = OBJECT_ID(N'[dbo].[base32enc]')
			AND type IN (
				N'FN'
				,N'IF'
				,N'TF'
				,N'FS'
				,N'FT'

dimzon

// Modified from: https://gist.github.com/aksakalli/9191056

using System;
using System.Collections.Generic;
using System.Net;
using System.IO;
using System.Threading;

namespace MyNamespace
{

dimzon

# shortform git commands
alias g='git'

# get a list of all commit messages for a repo
git log --pretty=format:'%s'

# push changes to an empty git repository for the first time
git push --set-upstream origin master

# Remove + and - from start of diff lines

dimzon

dimzon

<?php
// Output screenshot:
// http://cl.ly/NsqF
// -------------------------------------------------------

include_once 'console.php';

// ::log method usage
// -------------------------------------------------------
Console::log('Im Red!', 'red');

dimzon

#!/usr/bin/env bash

set -xe

SSH_USER_PWD="${SSH_USER_PWD}"
SSH_USER="${SSH_USER}"
VPN_GATEWAY="${VPN_GATEWAY}"

sshpass -p "${SSH_USER_PWD}" ssh -o StrictHostKeyChecking=no -v "${SSH_USER}@${VPN_GATEWAY}" -22 -D 9999 -nf "sleep 90000" &
echo 'base{log_debug = on; log_info = on; log = "file:/tmp/reddi.log";daemon = on; redirector = iptables;}redsocks { local_ip = 127.0.0.1; local_port = 12345; ip = 127.0.0.1;port = 9999; type = socks5; }' > ~/redsocks.conf

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#!/system/bin/sh
#
echo 0 > /proc/sys/net/ipv6/conf/default/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6
echo 0 > /proc/sys/net/ipv6/conf/all/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6
echo 0 > /proc/sys/net/ipv6/conf/wlan0/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/wlan0/disable_ipv6
sleep 3
echo 0 > /proc/sys/net/ipv6/conf/default/accept_ra