Anubis and Firefox 45
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| Article Info | |
|---|---|
| Author | Lars Erdmann |
| Date | 2026-04-19 |
| OS Version | ArcaOS 5.x.x / OS/2 Warp 4.52 |
| Companion File | |
| Source | |
Anubis is a tool to help websites with the email spam bots. Several sites like OS2World and EDM/2 implemented it to preserve their websites from spam. Firefox 45 does not pass the Anubis check automatically, to make Firefox 45 to pass the check just follow the next instructions:
- Start Firefox 45.
- in the URL bar enter: "about:support" (without the quotes)
- in the page that opens, find the "User Agent", the string on the right shows you the current US (User Agent) string which you can copy or note down in case something goes wrong.
- open a new tab
- in the URL bar, enter: "about:config" (without the quotes)
- press the "I'll be careful, I promise" button (note that you can screw up correct operation if you modify any arbitary setting)
- you will be presented with a whole lot of setting strings and there values
- right click in that window, select "New" and then "String"
- as the "Preference Name", enter "general.useragent.override" (without the quotes) and hit OK.
- in the string entry field that then displays, paste this string: "OS2zilla/5.0 (OS/2; Warp 4.5 x86_64; rv:128.0) Gecko/20100101 SeaMonkey/2.53.23" (without the quotes) and hit OK.
- restart Firefox
That should hopefully do. Note that if you accidentally create a new Preference as in 9) and want to delete it, the only way to do so is to delete that new Preference from the "prefs.js" file which you will find in your Firefox profile. In short: it is easier to add something than to delete it.