Questions tagged [user-agent]

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In Firefox, my general.useragent.override is not showing up correctly on "what's my user agent" sites

Using Firefox on a Mac. I've got general.useragent.override Mozilla/5.0 (X11; Linux i686; rv:121.0) Gecko/20100101 Firefox/121.0 but when I go to "what is my user agent" sites, it shows up ...
Mike Levin's user avatar
1 vote
0 answers
37 views

Can a server identify that I am using a modified user-agent? [duplicate]

I have a work laptop A that connects, via Google Chrome, to Google Workspace for access to things such as email, Google Drive, calendar, etc. The current IT policy is to block connections from ...
Jon Bentley's user avatar
0 votes
0 answers
159 views

How to change the useragent of the Opera browser?

On Windows 7, Opera doesn't get anymore updates and some sites not allowing access, asking to update the browser. I utilized two extensions from the Chrome store that change the useragent but it'd not ...
wealstarr's user avatar
1 vote
1 answer
191 views

How to make Firefox prefer images to HTML?

Sometimes when you follow an image URL, it will take you to a web page containing the image instead of only showing the image. Then, when you you right click and select Open Image in New Tab, it will ...
Zaz's user avatar
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1 vote
1 answer
187 views

How to MODIFY rather than REPLACE the Vivaldi User-agent header?

I already know how to replace the User-agent HTTP request header in Vivaldi. But if I do that, I have to provide a full, complete User-agent string. After a short time, this will get outdated and ...
Stan's user avatar
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4 votes
1 answer
270 views

Is there a way to make Vivaldi fake-report the OS to webpages as Windows instead of Linux?

I run Linux and Vivaldi. Various webpages are able to tell that I run Linux, and I'm unsure if this is done from sniffing the User-agent header anymore. Regardless of how it is done these days, I ...
Stan's user avatar
  • 95
0 votes
2 answers
608 views

How do websites detect my browser

There are several discussions on how to code a website that is able to detect my browser (e.g., here). I wonder, how websites such as whatismybrowser.com achieve to even detect it, if I spoof my user ...
F1iX's user avatar
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1 answer
1k views

How do I automatically set the User-Agent of Firefox Developer Edition to be that of the latest stable version?

I want to make it so that Firefox Developer Edition will always report that it's the latest Firefox stable without having to manually set the User-Agent every time the stable version updates. Is there ...
user9564371's user avatar
0 votes
0 answers
71 views

What user-agent "BBBike" is?

I've observed loads of robots.txt where a user-agent called "BBBike" is blocked. I'm curious what the story behind it is. Does anyone know? Or maybe it's just something happened in the, we ...
original.roland's user avatar
0 votes
1 answer
145 views

2 different users accessing internet banking from mobile browser at different time but IP address and user agent string is exactly the same

Is it possible to have a scenario where there are 2 different users accessing internet banking (using their own credentials) from mobile browser at different time using the same mobile device, but ...
Siti Rossimawati's user avatar
17 votes
1 answer
3k views

Why do different sites report Vivaldi's user-agent as different strings?

Site Reported UA https://duckduckgo.com/?q=what+is+my+user+agent&ia=answer Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.81 Safari/537.36 ...
Bentch's user avatar
  • 181
-2 votes
3 answers
2k views

Is it Possible to spoof browser user agent in Windows XP to get web.whatsapp.com running?

I am still running Windows XP and want to access whatsapp web ( web.whatsapp.com). Obviously I cannot get to the latest and greatest versions of browsers on Windows XP (Firefox, Chrome, IE and Edge ...
user1874594's user avatar
2 votes
1 answer
390 views

Firefox ESR on Linux Showing Windows 10 user agent and Will Not Change

For some bizarre reason, Firefox ESR 68.0 running on Debian Linux shows Windows 10 as its user agent when inspected in help>troubleshooting information. Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/...
Kebam's user avatar
  • 79
1 vote
1 answer
290 views

Declared User Agent being overridden

I have an old Microsoft Surface 2 (released back in 2013), ARM32 on Windows 8.1 RT. I need to change my User Agent string so to have sites show me their non-tablet version. Would be a cinch for other ...
kozner's user avatar
  • 259
1 vote
0 answers
213 views

How can i disguise uGet as a browser to circumvent the disabling of an IDM by a website?

A website i have used uGet with in the past has swapped to cloudflare and blocked downloads through anything but a standard browser. My understanding of the matter is pretty limited, but I gather it ...
klepp0906's user avatar
  • 1,055
0 votes
1 answer
106 views

Why are agents/browsers allowed to change URL without actually navigating to that path?

This question deals with changing the URL in browser without actually navigating to that URL. I have also stumbled across several Web sites where this is used and I find it confusing / misleading for ...
Alexei's user avatar
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0 votes
1 answer
726 views

Is the browser's useragent useless?

because i did'nt (and still do'nt) know what browser's useragent does, i changed it to the beginning of a german classical poem: Wer reitet so spaet durch Nacht und Wind? Der Vater ist's mit seinem ...
Jens's user avatar
  • 1
0 votes
0 answers
45 views

Adding User Agent to Safari

Good day, Dear community, could somebody tell me, is that possible to add User Agent Safari 10 to Safari 12.0.1? And if it possible, be so kind, tell me how.
Dzianis Sojka's user avatar
0 votes
0 answers
746 views

How to set a custom user-agent for mail.app on macOS Mojave 10.14.2

I am trying to access my emails on a Microsoft Exchange Server. I could do it with the mail.app on the mac as well as on the iPhone. Seems like the access via mail.app on macOS has been blocked ...
murek's user avatar
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0 votes
0 answers
119 views

Is AMO browser compatibility logic officially documented?

I am using PureBrowser 52.8.1, a fork of Firefox ESR, with general.useragent.compatMode.firefox set to True. My user agent string is: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 \ Firefox/...
lofidevops's user avatar
  • 1,328
0 votes
1 answer
3k views

Change Firefox user agent permanently without Add-ons

According this article How to reset the default user agent on Firefox, the procedure for changing user agent is to add a string value with general.useragent.override in about:config page. But when I ...
Biswapriyo's user avatar
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-1 votes
1 answer
56 views

How google determines user's operating system?

When downloading Google Chrome, website is able to determine the user's operating system and whether PC is running on 32 bit or 64 bit. How does it do that?
Shubham Saroha's user avatar
0 votes
1 answer
126 views

How can html5test.com detect the exact name of browsers? [closed]

Whene i open html5test.com using "dolphin browser" on galaxy s6 nougat the website tell me : "You are using Dolphin on a Samsung Galaxy S6 running Android 7.0" the user agent string = Mozilla/5.0 (...
in ni's user avatar
  • 1
2 votes
2 answers
12k views

How to get Windows NT version via command line

Many times I have to pass the User-Agent in the download headers for the download to be validated and working. I need help finding a easy method to get the Windows NT version(6.1 or 6.2 ....) which ...
VST's user avatar
  • 23
0 votes
1 answer
2k views

Construct intermediate proxy to change user-agent of http requests [closed]

Our company blocks many http requests if they are not setting the "user-agent" to the values used by Internet Explorer or Chrome. This makes a lot of software unusable because they cannot access their ...
J Fabian Meier's user avatar
0 votes
1 answer
48 views

Analyzing HTTP traffic [closed]

I am trying to solve the problem for a while and i couldn't find a proper answer online. I have a file with mobile traffic (from an Android device) and I am trying to check whether an http request is ...
kobibo's user avatar
  • 131
0 votes
0 answers
190 views

User-Agent replacement for calls from cmd

On the Windows 7 cmd, I call a program which needs a http GET. Unfortunately, the proxy denies the request because the User-Agent is "Java..." and not the one of Internet Explorer or Mozilla. Is there ...
J Fabian Meier's user avatar
11 votes
2 answers
28k views

Microsoft Edge User Agent string

I just noticed that while all other browsers seem to have their own user agent strings, Microsoft Edge's seems to look something like this: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537....
pulsejet's user avatar
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1 vote
0 answers
69 views

Why Chrome has Mozilla in its user agent? [duplicate]

I'm new to headers and user-agent stuff. I'm using a request lib with python to make a POST operation to a website. I have noticed that the user agent for Chrome is like "Mozilla/5.0 (Windows NT 6.1) ...
AhmedWas's user avatar
  • 196
0 votes
1 answer
3k views

How to spoof browser user-agent in Microsoft Edge?

Specifically, how to spoof it consistently for a particular site - I know that it is possible for a single page using the F12 Developer Tools as long as the developer tools pane remains open. But ...
Cerebrate's user avatar
  • 101
0 votes
1 answer
631 views

User Agent String for Eclipse

Is it possible to change the User Agent String for requests made by Eclipse? After some experiments with curl I believe that certain User Agents are favoured by our company proxy (they get access to ...
J Fabian Meier's user avatar
2 votes
1 answer
317 views

How do Access Points determine the client's OS?

I noticed that my router (Asus RN-N12E_B1) shows the operating system next to the clients that are connected to it. How does it determine that? Via User Agent? What other methods does it have at ...
Willi Mentzel's user avatar
0 votes
2 answers
260 views

How does http://whatsmyuseragent.com/ get its long Recent Referrals list?

I went to http://whatsmyuseragent.com/ with Firefox, and see a Recent Referrals: (verified) list on the bottom of the page. Some of the sites in my list I have visited, but some were months ago, so I ...
Off The Gold's user avatar
0 votes
0 answers
606 views

Gecko version number format in User-Agent strings for Mozilla Firefox

Here are four User-Agent (HTTP header) strings for Mozilla's Firefox browser. # Linux Linux / Firefox 42: Mozilla/5.0 (X11; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0 # Mac Mac / Firefox 42: ...
End Anti-Semitic Hate's user avatar
2 votes
1 answer
62 views

Is it possible to code so your website only allow Firefox browser to connect?

As the title says, was curious if it's possible and how? Thanks! :)
Exid's user avatar
  • 43
3 votes
1 answer
1k views

I anonymized my user-agent, but my browser and OS are still detected

There are sites like whatsmybrowser.org and whatismybrowser.com that detect information about the technical specs of the client. As far as I can tell, this is done using the user-agent information ...
That Brazilian Guy's user avatar
1 vote
0 answers
1k views

How to add a user-agent style sheet to firefox browser?

I am trying to increase the width of scrollbar in firefox and I found out that it can be done by adding a user-agent style sheet. It's not possible with userChrome.css or userContent.css
Blee's user avatar
  • 31
0 votes
2 answers
7k views

Internet Explorer: Editing User Agent String so it is Seen By the Server

OS: Windows 7/8 Browser: Internet Explorer 11 Platform: x86 How can I edit the user agent string on a machine to be universally seen by server-side code and web server logs? This needs to be a ...
Beems's user avatar
  • 1,563
1 vote
2 answers
732 views

Are there any security or performance implications of changing the user-agent in a browser?

I am working on a production issue which only occurs in IE10 and not in chrome/Firefox. If I change the IE10's user-agent (F12) to Mozilla Firefox it works. I need to debug the app. layer to find ...
akjain's user avatar
  • 390
0 votes
1 answer
1k views

Apache: redirect to non SSL page if TLS negotiation fails

How can I configure apache to redirect user to a non ssl page, if the TLS connection negotiation fails (i.e. they don't agree on a common SSL protocol with supported cipher) It is using mod_ssl, ...
Jigar Joshi's user avatar
2 votes
1 answer
2k views

Settings for User agent switcher in Chrome developer tools - Where has it gone?

I'm trying to find the Devices settings for Emulation in Chrome developer tools too add some user agents. I can open the emulation tool, but I cannot find the setting to add other useragents, as ...
moobot's user avatar
  • 536
0 votes
0 answers
754 views

why Internet Explorer 9 User Agent string (the "MSIE part) mess up with proxy and/or NTLM auth in Apache Tomcat 7?

In my network we're behind a proxy (pac script), when try to access a site in the following url format: http://serverName.domain.com:8080/somePath IE (9.0.8112.16421) is unable to browser the site (...
Allende's user avatar
  • 253
-1 votes
4 answers
17k views

How to turn the user agent into a secure_user_agent?

I am using FireFox 34.0.5 and trying to change my user agent. As far as I am aware, an user agent is, somehow, a software acting on your behalf. For example, I am using FireFox now, hence my user ...
Francis UK's user avatar
1 vote
1 answer
1k views

User Agent string in Firefox keeps getting overridden

The user agent string in Firefox keeps getting overridden, meaning I keep getting warnings about using too old a browser on several websites. If I check about:config I can see it's being set to: ...
Cocowalla's user avatar
  • 312
0 votes
1 answer
329 views

Change User-Agent as a security measurement

Imagine the following situation. I'm a Mac user, if I open a web site with some kind of malware(Platform specific). This site/malware will use my user agent to detect what system I am using. So, if I ...
Gonzo's user avatar
  • 147
1 vote
1 answer
613 views

iPad user agent changes depending on location (work, home)

I have found this question: https://serverfault.com/questions/583618/is-this-user-agent-string-related-to-safari?newreg=2f9ad2aada604a42b07ad369f40d3144 I originally was looking for what the "GSA" ...
Chad's user avatar
  • 121
0 votes
2 answers
3k views

"Mozilla/5.0" and "like Gecko": Do web applications still test for Firefox-specific user agent strings? [closed]

Forgive me if this is the wrong site to ask this question; some similar questions were closed on Web Applications Stack Exchange, so I asked this question here. If necessary, feel free to migrate this ...
bwDraco's user avatar
  • 46.1k
2 votes
3 answers
8k views

Close Built-in User agent switcher in Google Chrome

When I try to Inspect Element using Chrome's Developer Console (using Right click → Inspect Element), I'm always presented with a User Agent switcher interface like below: This is very annoying and I ...
Amal Murali's user avatar
9 votes
3 answers
13k views

How to remove User-Agent for Firefox

How to remove User-Agent for Firefox The goal is to remove this header from all web requests, in case you don't want sites to know which OS are you using.
VasyaNovikov's user avatar
  • 3,446
1 vote
0 answers
652 views

How Does Mega.co.nz detect your user agent?

how does mega detect your user agent? Javascript? It seems to be able to bypass Chrome UA Spoofer, and doesn't allow a chrome that isn't up to date.
Justin Goldberg's user avatar