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diy:user-agent-spoofing [2025/09/10 15:43] – [Why It's Important] Humphrey Boa-Gartdiy:user-agent-spoofing [2025/10/03 08:17] (current) – [User Agent Spoofing] Humphrey Boa-Gart
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 ====== User Agent Spoofing ====== ====== User Agent Spoofing ======
  
-When a browser or bot requests a webpage, it sends a User-Agent [[tools:http-header|HTTP header]] containing a string of text that describes the client. So, if you are using **Firefox** on Windows to browse the web, it is sending this string of text to every website you visit, where it is visible by the server and any embedded third-party scripts like banner advertising:+When a browser or bot requests a webpage, it sends a User-Agent [[tools:http-headers|HTTP header]] containing a string of text that describes the client. So, if you are using **Firefox** on Windows to browse the web, it is sending this string of text to every website you visit, where it is visible by the server and any embedded third-party scripts like banner advertising:
  
   Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0   Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:142.0) Gecko/20100101 Firefox/142.0
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 Fortunately, these things are very easy to change on your end before they are sent out. By the end of this article, you will have learned multiple ways how. Fortunately, these things are very easy to change on your end before they are sent out. By the end of this article, you will have learned multiple ways how.
  
 +To view your own User-Agent as seen by our server //(or test to see if you have spoofed yours correctly)// please visit the ORL's [[https://whereami.bestpoint.institute|Triangulation Station]] to orient yourself.
  
 ===== Why It's Important ===== ===== Why It's Important =====
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 ==== Web Browsers ==== ==== Web Browsers ====
  
-Changing your browser's User-Agent is incredibly simple. Web developers need to make sure their applications work in multiple browsers, and will oftentimes use tools & extensions to change the User-Agent to test for bugs. +Changing your browser's User-Agent is incredibly simple. Web developers need to make sure their applications work in multiple browsers, and will oftentimes spoof User-Agent strings with [[tools:developer-tools|tools]] & extensions //(see below)// to test for compatibility.
- +
-This is by no means an exhaustive list, and we have not tried all of these, but it should be enough to get you started:+
  
 +//**IMPORTANT NOTE:** The following browser extensions have not been fully vetted by the **Anonymous Military Institute** and should be run with caution. Please inform the [[user:generowl|Dean]] if you find any of these to present major security risks!//
  
 === Firefox === === Firefox ===
 +
 +This is by no means an exhaustive list, and we have not tried all of these, but it should be enough to get you started:
  
   * [[https://addons.mozilla.org/en-US/firefox/addon/chrome-mask/]]   * [[https://addons.mozilla.org/en-US/firefox/addon/chrome-mask/]]
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   * [[https://chromewebstore.google.com/detail/user-agent-switcher/kchfmpdcejfkipopnolndinkeoipnoia]]   * [[https://chromewebstore.google.com/detail/user-agent-switcher/kchfmpdcejfkipopnolndinkeoipnoia]]
   * [[https://chromewebstore.google.com/detail/random-user-agent-switche/einpaelgookohagofgnnkcfjbkkgepnp]]   * [[https://chromewebstore.google.com/detail/random-user-agent-switche/einpaelgookohagofgnnkcfjbkkgepnp]]
 +
 +
 +=== Edge ===
 +
 +  * [[https://microsoftedge.microsoft.com/addons/detail/useragent-switcher-and-m/cnjkedgepfdpdbnepgmajmmjdjkjnifa]]
 +  * [[https://microsoftedge.microsoft.com/addons/detail/useragent-switcher/kfhpbcjoekokcapipficfgjadanhfmjb]]
 +  * [[https://microsoftedge.microsoft.com/addons/detail/switch-useragents/ipacohcfiahhblhbpdnnmnolcakgooci]]
 +  * [[https://microsoftedge.microsoft.com/addons/detail/useragent-switcher/npjnioaeoicmjokbdpfiecnbildopjad]]
 +
 +You can also create shortcuts that, when opened, tell Edge to use a custom user agent:
 +
 +  - Right-click the Microsoft Edge shortcut
 +  - Select "Properties"
 +  - In the "Target" field, add a space and then the command-line argument ''--user-agent="MyCustomAgent/1.0"''
 +  - Click "Apply" and then "OK"
  
  
 === Safari === === Safari ===
  
-=== Edge ===+  - Click Safari > Preferences 
 +  - Click Advanced. 
 +  - Enable Show Developer menu in menu bar. 
 +  - Click Develop > User Agent > Other.... 
 +  - Enter the custom UA string and click OK.
  
  
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 == -H == == -H ==
  
-Since the User-Agent is passed as an [[tools:http-headers|HTTP header]], you can also change the User-Agent by using t ''-H'' flag, which lets you manipulate headers:+Since the User-Agent is passed as an [[tools:http-headers|HTTP header]], you can also change the User-Agent by using the ''-H'' or ''--header'' flag, which lets you manipulate headers:
  
 +  $ curl --header "User-Agent: MyCustomAgent/1.0" https://example.com
 +  - or -
   $ curl -H "User-Agent: MyCustomAgent/1.0" https://example.com   $ curl -H "User-Agent: MyCustomAgent/1.0" https://example.com
- 
  
 === Newsboat === === Newsboat ===
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   $ wget --user-agent="MyCustomAgent/1.0" https://example.com   $ wget --user-agent="MyCustomAgent/1.0" https://example.com
 +  - or -
 +  $ wget -u="MyCustomAgent/1.0" https://example.com
  
 For more information on how to use ''wget'', read the [[tools:wget|Wget article]]. For more information on how to use ''wget'', read the [[tools:wget|Wget article]].
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