Your own proxy server from scratch on a VPS/Dedicated/Hosting via ssh

الخطوط العريضة للقسم

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  • إختر النشاط Chat

    

    Chat محادثة

    Please use this chat if you have any questions or ideas or just to talk about course topics

  • إختر النشاط Adventures game for learn the Vim (console text editor)

    

    Adventures game for learn the Vim (console text editor) رابط الكتروني
  • إختر النشاط Announcements 2021-Feb-22

    

    Announcements 2021-Feb-22 منتدى
• إختر القسم 1st.: Create Server VPS Droplet

  1st.: Create Server VPS Droplet

  الذهاب إلى القسم 1st.: Create Server VPS Droplet

  Getting started is simple. Register here and create a Droplet. Choose your first VPS server with a 60-day free trial using this link. Select any country from the list in the video—ideal if you’re located in some country and need access to resources like LinkedIn by selecting a supported country.

  For example, set up a USA proxy server with login credentials for secure, exclusive use. Enhance security with Fail2Ban (learn more during the course for free). As a bonus, you'll receive steps to install and use a VPS server for 12 months free and other promotions from Amazon AWS, Alibaba, and Google VPS. Explore more connection methods using SSH clients and FTP clients for secure access.

  We will utilize a Linux terminal via SSH client from the DigitalOcean dashboard to access our VPS. First, update your Debian OS repositories like this:

  apt update

  apt upgrade

  النشاطات: 1
• إختر القسم 2nd.: Install Squid Proxy Server

  2nd.: Install Squid Proxy Server

  الذهاب إلى القسم 2nd.: Install Squid Proxy Server

  Again, we will use a Linux terminal via SSH client from a DigitalOcean dashboard panel to access our installed VPS, and this time we'll install a Squid server via a command-line interface, like this:

  apt  install squid
  
    

    
  

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• إختر القسم 3rd.: Install MySQL MariaDB Server

  3rd.: Install MySQL MariaDB Server

  الذهاب إلى القسم 3rd.: Install MySQL MariaDB Server

  This time we will use a Linux terminal via SSH client from a DigitalOcean dashboard panel to access our installed VPS, and now we will install a Database server MariaDB/MySQL via a command-line interface, like this:

  apt  install mariadb-server

   

   
  

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• إختر القسم 4th.: CREATE DataBase and a table for save logins

  4th.: CREATE DataBase and a table for save logins

  الذهاب إلى القسم 4th.: CREATE DataBase and a table for save logins

  We need to make a Database(with user access the DB with login=proxy1 and password=1a968116a6552ee3451a42c1c8! and you must change all passwords later on your own, you will see how to do it in part number 10) and a table where we will store login and password for access sites via our proxy server, so no one else will use it instead of you.
  

  We'll connect to our VPS like always via the dashboard panel, via the command-line interface, we'll use the command "mysql" under root user to create a new database with a table, like this:

  mysql

  [MariaDB CLI] > CREATE DATABASE squid;

  [MariaDB CLI] > USE squid;
  

  [MariaDB CLI] > CREATE TABLE `passwd`(`user` varchar(32) NOT NULL default '', `password` varchar(35) NOT NULL default '', `enabled` tinyint(1) NOT NULL default '1', `fullname` varchar(60) default NULL, `comment` varchar(60) default NULL, PRIMARY KEY (`user`));

  [MariaDB CLI] > GRANT SELECT ON squid.* TO 'proxy1'@'localhost' IDENTIFIED BY '1a968116a6552ee3451a42c1c8!';
  

  [MariaDB CLI] > FLUSH PRIVILEGES;
  
  [MariaDB CLI] > \q
  
   

   
  
  

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• إختر القسم 5th.: Configure squid mysql module

  5th.: Configure squid mysql module

  الذهاب إلى القسم 5th.: Configure squid mysql module

  Now a time to configure mysql_module for your Squid proxy server so it can access the DB which we created in the previous part from where Squid will check if login and passwords for proxy authentication are correct or no.

  So we will use a command in the Linux console to edit(via Vim (text editor)) these module settings (need to edit like in a video, login, and password from this part which we created to access the DB) like this:

  vim /usr/lib/squid3/basic_db_auth

  [VIM CLI] press i on your keyboard, so it will set the Vim to another state where you can edit the content of the file of /usr/lib/squid3/basic_db_auth

  [VIM CLI] now edit the file the same way as in the video(use the cursor on your keyboard to navigate in the file content, for example, press arrow down for go to the down of the file while you not seeing similar data like in the video below, with login and password information for edit)

  [VIM CLI] when you edit the file press ESC on your keyboard, so it will set the Vim to another state where you can enter commands

  [VIM CLI] type :w for save the file, you can see how it looks like in the video

  [VIM CLI] type :q for exit from the Vim editor, you can see how it looks like in the video

   

   
  

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• إختر القسم 6th.: Add proxy user for test in a browser

  6th.: Add proxy user for test in a browser

  الذهاب إلى القسم 6th.: Add proxy user for test in a browser

  We'll connect to our VPS like always via the dashboard panel, via the command-line interface, we'll use the command "mysql" under root user to insert data into the table for add a user which will be used for proxy authentication(later you will use it in a browser, login=test01 and password=i5h-28!wR6B7 when it asks.) to access sites via our proxy server, you can remember how we created this table recently from the previous part. 
  

  And now we go this way:
  

  mysql

  [MariaDB CLI] > USE squid;
  

  [MariaDB CLI] > INSERT INTO passwd VALUES('test01','i5h-28!wR6B7',1,'Test User','for web proxy in a browser');

  [MariaDB CLI] > \q

  
  

   

   
  

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• إختر القسم 7th.: Add settings in squid configuration

  7th.: Add settings in squid configuration

  الذهاب إلى القسم 7th.: Add settings in squid configuration

  Now we will add some new strings(please use a file below, then just copy and paste strings to the end of the settings file like in the video). 

  These settings need in the Squid configuration file for proper handle login and password when someone will try to get access to sites via your Squid proxy server.
  
  To begin you can use the Vim text editor, press CTRL+V on your keyboard to paste strings one by one(at the end of the file of /etc/squid/squid.conf), like in the video below(later in the course you will know about other ways to edit files more comfortably):
  
  vim /etc/squid/squid.conf

  [VIM CLI] :9999 for the fast move to the end of the file, 9999 from here means the number of a string to where the Vim must move

   

   
  

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  • النشاط Completed. 4th Part معلّم مكتمل
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• إختر القسم 8th.: Almost ready final change in configuration of squid

  8th.: Almost ready final change in configuration of squid

  الذهاب إلى القسم 8th.: Almost ready final change in configuration of squid

  We almost ready for the final test, now we need to stop the proxy server and make the last small change into the settings of Squid to allow connections to the sites via the proxy.

  In the Linux Shell just run next commands:
  
  vim /etc/squid/squid.conf

  [VIM CLI] write it without brackets: [ /http_access deny all ] - for searching this string after symbol of '/' and then please make it commented(type i for edit and use your keyboard) on the line in the file of /etc/squid/squid.conf with '#' at the beginning of this string like in the video below

  [VIM CLI] press ESC on your keyboard, so it will set the Vim to another state where you can enter commands
  

  [VIM CLI] :w
  

  [VIM CLI ] :q

  service squid restart
  
  service squid status
  

  And finally, after the last command, you will see a text with current proxy server status with words like these: active (running)

  http_port 3128
  http_port 3129 intercept
  

   

   
  

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• إختر القسم 9.: Final check proxy via firefox

  9.: Final check proxy via firefox

  الذهاب إلى القسم 9.: Final check proxy via firefox

  Congratulations, you did it!✔️
  We will use Firefox browser to test our proxy server and the website to see our IP address and "physical" location details when we use the proxy, please see the video below and test it, after this test, we will update our passwords for making it more secure.

   

  
  

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• إختر القسم 10.: Update passwords for a browser user.

  10.: Update passwords for a browser user.

  الذهاب إلى القسم 10.: Update passwords for a browser user.

  So, now the time for make last security updates in your settings, first of all update login and password for a browser use, so you will know how to do it next time.

  This topic only for your own way to do it and test, please write how you did it in the Completion Assignment.

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• إختر القسم 11: Update access to the DB when the Squid will access it

  11: Update access to the DB when the Squid will access it

  الذهاب إلى القسم 11: Update access to the DB when the Squid will access it

  For the more secure way you need to change the login and the password for your Database user which responsible for connections between the Squid proxy server and MariaDB server, you passed a lot of detailed topics and know everything to complete this task.

  So, just do it.

  This topic only for your way to do it and test, please write how you did it in the Completion Assignment.

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  • النشاط Completed. 10 Part معلّم مكتمل

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• إختر القسم Amazon AWS, "free tier" 12 moth for your VPS

  Amazon AWS, "free tier" 12 moth for your VPS

  الذهاب إلى القسم Amazon AWS, "free tier" 12 moth for your VPS

  https://aws.amazon.com/free/

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• إختر القسم Alibaba cloud servers for free, 12 month

  Alibaba cloud servers for free, 12 month

  الذهاب إلى القسم Alibaba cloud servers for free, 12 month

  https://www.alibabacloud.com/en/free?_p_lc=1&TargetUserType=for-enterprise

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• إختر القسم Topic 14

  Topic 14

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