There are a lot of trolls out there who are tech competent compared to regular forum members. Some of them are like resilient cockroaches.
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It seems like Google Chrome is about to follow in the footsteps of Mozilla Firefox. I remember seeing an article regarding Google Chrome and blocking fingerprinting, but I cannot find it at the moment. Regardless, this is a sign for things to come. Would that essentially be the death of this plugin?
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Now, its not showing anything in latest matches,
Getting this in error log:
plugins/discourse-fingerprint/app/serializers/flagged_fingerprint_serializer.rb:30:in `data'
plugins/discourse-fingerprint/app/serializers/flagged_fingerprint_serializer.rb:51:in `include_is_common?'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:375:in `include?'
(eval):9:in `_fast_attributes'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:468:in `rescue in attributes'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:455:in `attributes'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:480:in `_serializable_hash'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:359:in `serializable_hash'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:89:in `block in _serializable_array'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:79:in `map'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:79:in `_serializable_array'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:73:in `serializable_array'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:53:in `as_json'
app/controllers/application_controller.rb:493:in `serialize_data'
plugins/discourse-fingerprint/app/controllers/admin/fingerprint_controller.rb:25:in `index'
actionpack (6.1.3.2) lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
actionpack (6.1.3.2) lib/abstract_controller/base.rb:228:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/rendering.rb:30:in `process_action'
actionpack (6.1.3.2) lib/abstract_controller/callbacks.rb:42:in `block in process_action'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:117:in `block in run_callbacks'
app/controllers/application_controller.rb:395:in `block in with_resolved_locale'
i18n (1.8.10) lib/i18n.rb:314:in `with_locale'
app/controllers/application_controller.rb:395:in `with_resolved_locale'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:126:in `block in run_callbacks'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:137:in `run_callbacks'
actionpack (6.1.3.2) lib/abstract_controller/callbacks.rb:41:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/rescue.rb:22:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/instrumentation.rb:34:in `block in process_action'
activesupport (6.1.3.2) lib/active_support/notifications.rb:203:in `block in instrument'
activesupport (6.1.3.2) lib/active_support/notifications/instrumenter.rb:24:in `instrument'
activesupport (6.1.3.2) lib/active_support/notifications.rb:203:in `instrument'
actionpack (6.1.3.2) lib/action_controller/metal/instrumentation.rb:33:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/params_wrapper.rb:249:in `process_action'
activerecord (6.1.3.2) lib/active_record/railties/controller_runtime.rb:27:in `process_action'
actionpack (6.1.3.2) lib/abstract_controller/base.rb:165:in `process'
actionview (6.1.3.2) lib/action_view/rendering.rb:39:in `process'
rack-mini-profiler (2.3.2) lib/mini_profiler/profiling_methods.rb:85:in `block in profile_method'
actionpack (6.1.3.2) lib/action_controller/metal.rb:190:in `dispatch'
actionpack (6.1.3.2) lib/action_controller/metal.rb:254:in `dispatch'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:50:in `dispatch'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:33:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:50:in `block in serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `each'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:842:in `call'
railties (6.1.3.2) lib/rails/engine.rb:539:in `call'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `public_send'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `method_missing'
actionpack (6.1.3.2) lib/action_dispatch/routing/mapper.rb:20:in `block in <class:Constraints>'
actionpack (6.1.3.2) lib/action_dispatch/routing/mapper.rb:49:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:50:in `block in serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `each'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:842:in `call'
lib/middleware/omniauth_bypass_middleware.rb:71:in `call'
rack (2.2.3) lib/rack/tempfile_reaper.rb:15:in `call'
rack (2.2.3) lib/rack/conditional_get.rb:27:in `call'
rack (2.2.3) lib/rack/head.rb:12:in `call'
actionpack (6.1.3.2) lib/action_dispatch/http/permissions_policy.rb:22:in `call'
lib/content_security_policy/middleware.rb:12:in `call'
lib/middleware/anonymous_cache.rb:355:in `call'
rack (2.2.3) lib/rack/session/abstract/id.rb:266:in `context'
rack (2.2.3) lib/rack/session/abstract/id.rb:260:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/cookies.rb:689:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:98:in `run_callbacks'
actionpack (6.1.3.2) lib/action_dispatch/middleware/callbacks.rb:26:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/actionable_exceptions.rb:18:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/debug_exceptions.rb:29:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
logster (2.9.6) lib/logster/middleware/reporter.rb:43:in `call'
railties (6.1.3.2) lib/rails/rack/logger.rb:37:in `call_app'
railties (6.1.3.2) lib/rails/rack/logger.rb:28:in `call'
config/initializers/100-quiet_logger.rb:23:in `call'
config/initializers/100-silence_logger.rb:31:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/request_id.rb:26:in `call'
lib/middleware/enforce_hostname.rb:23:in `call'
rack (2.2.3) lib/rack/method_override.rb:24:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/executor.rb:14:in `call'
rack (2.2.3) lib/rack/sendfile.rb:110:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/host_authorization.rb:92:in `call'
rack-mini-profiler (2.3.2) lib/mini_profiler/profiler.rb:249:in `call'
message_bus (3.3.5) lib/message_bus/rack/middleware.rb:61:in `call'
lib/middleware/request_tracker.rb:177:in `call'
railties (6.1.3.2) lib/rails/engine.rb:539:in `call'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `public_send'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `method_missing'
rack (2.2.3) lib/rack/urlmap.rb:74:in `block in call'
rack (2.2.3) lib/rack/urlmap.rb:58:in `each'
rack (2.2.3) lib/rack/urlmap.rb:58:in `call'
unicorn (6.0.0) lib/unicorn/http_server.rb:634:in `process_client'
unicorn (6.0.0) lib/unicorn/http_server.rb:732:in `worker_loop'
unicorn (6.0.0) lib/unicorn/http_server.rb:547:in `spawn_missing_workers'
unicorn (6.0.0) lib/unicorn/http_server.rb:143:in `start'
unicorn (6.0.0) bin/unicorn:128:in `<top (required)>'
vendor/bundle/ruby/2.7.0/bin/unicorn:23:in `load'
vendor/bundle/ruby/2.7.0/bin/unicorn:23:in `<main>'Updated to 2.8.0.beta1
Still getting this error in the error log and nothing is showing on the plugin page.
plugins/discourse-fingerprint/app/serializers/flagged_fingerprint_serializer.rb:30:in `data'
plugins/discourse-fingerprint/app/serializers/flagged_fingerprint_serializer.rb:51:in `include_is_common?'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:375:in `include?'
(eval):9:in `_fast_attributes'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:468:in `rescue in attributes'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:455:in `attributes'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:480:in `_serializable_hash'
active_model_serializers (0.8.4) lib/active_model/serializer.rb:359:in `serializable_hash'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:89:in `block in _serializable_array'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:79:in `map'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:79:in `_serializable_array'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:73:in `serializable_array'
active_model_serializers (0.8.4) lib/active_model/array_serializer.rb:53:in `as_json'
app/controllers/application_controller.rb:493:in `serialize_data'
plugins/discourse-fingerprint/app/controllers/admin/fingerprint_controller.rb:25:in `index'
actionpack (6.1.3.2) lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
actionpack (6.1.3.2) lib/abstract_controller/base.rb:228:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/rendering.rb:30:in `process_action'
actionpack (6.1.3.2) lib/abstract_controller/callbacks.rb:42:in `block in process_action'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:117:in `block in run_callbacks'
app/controllers/application_controller.rb:395:in `block in with_resolved_locale'
i18n (1.8.10) lib/i18n.rb:314:in `with_locale'
app/controllers/application_controller.rb:395:in `with_resolved_locale'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:126:in `block in run_callbacks'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:137:in `run_callbacks'
actionpack (6.1.3.2) lib/abstract_controller/callbacks.rb:41:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/rescue.rb:22:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/instrumentation.rb:34:in `block in process_action'
activesupport (6.1.3.2) lib/active_support/notifications.rb:203:in `block in instrument'
activesupport (6.1.3.2) lib/active_support/notifications/instrumenter.rb:24:in `instrument'
activesupport (6.1.3.2) lib/active_support/notifications.rb:203:in `instrument'
actionpack (6.1.3.2) lib/action_controller/metal/instrumentation.rb:33:in `process_action'
actionpack (6.1.3.2) lib/action_controller/metal/params_wrapper.rb:249:in `process_action'
activerecord (6.1.3.2) lib/active_record/railties/controller_runtime.rb:27:in `process_action'
actionpack (6.1.3.2) lib/abstract_controller/base.rb:165:in `process'
actionview (6.1.3.2) lib/action_view/rendering.rb:39:in `process'
rack-mini-profiler (2.3.2) lib/mini_profiler/profiling_methods.rb:85:in `block in profile_method'
actionpack (6.1.3.2) lib/action_controller/metal.rb:190:in `dispatch'
actionpack (6.1.3.2) lib/action_controller/metal.rb:254:in `dispatch'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:50:in `dispatch'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:33:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:50:in `block in serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `each'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:842:in `call'
railties (6.1.3.2) lib/rails/engine.rb:539:in `call'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `public_send'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `method_missing'
actionpack (6.1.3.2) lib/action_dispatch/routing/mapper.rb:20:in `block in <class:Constraints>'
actionpack (6.1.3.2) lib/action_dispatch/routing/mapper.rb:49:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:50:in `block in serve'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `each'
actionpack (6.1.3.2) lib/action_dispatch/journey/router.rb:32:in `serve'
actionpack (6.1.3.2) lib/action_dispatch/routing/route_set.rb:842:in `call'
lib/middleware/omniauth_bypass_middleware.rb:71:in `call'
rack (2.2.3) lib/rack/tempfile_reaper.rb:15:in `call'
rack (2.2.3) lib/rack/conditional_get.rb:27:in `call'
rack (2.2.3) lib/rack/head.rb:12:in `call'
actionpack (6.1.3.2) lib/action_dispatch/http/permissions_policy.rb:22:in `call'
lib/content_security_policy/middleware.rb:12:in `call'
lib/middleware/anonymous_cache.rb:355:in `call'
rack (2.2.3) lib/rack/session/abstract/id.rb:266:in `context'
rack (2.2.3) lib/rack/session/abstract/id.rb:260:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/cookies.rb:689:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
activesupport (6.1.3.2) lib/active_support/callbacks.rb:98:in `run_callbacks'
actionpack (6.1.3.2) lib/action_dispatch/middleware/callbacks.rb:26:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/actionable_exceptions.rb:18:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/debug_exceptions.rb:29:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
logster (2.9.6) lib/logster/middleware/reporter.rb:43:in `call'
railties (6.1.3.2) lib/rails/rack/logger.rb:37:in `call_app'
railties (6.1.3.2) lib/rails/rack/logger.rb:28:in `call'
config/initializers/100-quiet_logger.rb:23:in `call'
config/initializers/100-silence_logger.rb:31:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/request_id.rb:26:in `call'
lib/middleware/enforce_hostname.rb:23:in `call'
rack (2.2.3) lib/rack/method_override.rb:24:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/executor.rb:14:in `call'
rack (2.2.3) lib/rack/sendfile.rb:110:in `call'
actionpack (6.1.3.2) lib/action_dispatch/middleware/host_authorization.rb:92:in `call'
rack-mini-profiler (2.3.2) lib/mini_profiler/profiler.rb:249:in `call'
message_bus (3.3.5) lib/message_bus/rack/middleware.rb:61:in `call'
lib/middleware/request_tracker.rb:177:in `call'
railties (6.1.3.2) lib/rails/engine.rb:539:in `call'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `public_send'
railties (6.1.3.2) lib/rails/railtie.rb:207:in `method_missing'
rack (2.2.3) lib/rack/urlmap.rb:74:in `block in call'
rack (2.2.3) lib/rack/urlmap.rb:58:in `each'
rack (2.2.3) lib/rack/urlmap.rb:58:in `call'
unicorn (6.0.0) lib/unicorn/http_server.rb:634:in `process_client'
unicorn (6.0.0) lib/unicorn/http_server.rb:732:in `worker_loop'
unicorn (6.0.0) lib/unicorn/http_server.rb:547:in `spawn_missing_workers'
unicorn (6.0.0) lib/unicorn/http_server.rb:143:in `start'
unicorn (6.0.0) bin/unicorn:128:in `<top (required)>'
vendor/bundle/ruby/2.7.0/bin/unicorn:23:in `load'
vendor/bundle/ruby/2.7.0/bin/unicorn:23:in `<main>'
This probably needs some love @sam to bring it up to date. Should we mark it as broken for now?
I think it is semi-deprecated from my point of view since what it is trying to do is so difficult. What do you think @dan?
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Either mine is now working or I’m missing something, do fingerprints not show even if there’s no conflict?
(also the text reads odd “No similar signature were found.”)
no results
and setting made about a week back
Am I in error in how this works or do I need to address something?
Anyone?
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Not working on 2.7.4. Been checking every day for over 2 weeks now, it shows the same list of users every time.
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This is the nail in the coffin.
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Same issue.
Not working in 2.8.0.beta2 also. It shows last seen when I seen of the user 26 may when I see in this plugin.
I thought it was only me.
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Fingerprintjs2 script did not load after I updated it to the latest version. I pushed a fix and it should work fine now. Sorry for the issues!
Over the time, there have been many nails in the coffin and there are still ways to fingerprint browsers. From quickly skimming through the article you linked it looks like it is just a way to hide user’s IP and unfortunately that means fingerprinting is still a possibility (as it relies more on browser’s characteristics rather than the IP).
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Did I miss enabling a permission or?
Mine’s not worked to date
Thank you for your help
There is a way to repurpose plugin to something that will work with only server side information.
I was recommended this plugin in Discourse check the user IP for block list only on login. Discourse don’t really care about users IP, don’t ban user by IP by default (you need to do it manually), and about new user with same IP as banned one you can find only accidentally. Fingerprinting plugin not really helped me, because don’t check IP too.
Some overview page with users that have matching IP with banned accounts would be useful.
And also there is services like https://ip-api.com/ that allow to check if IP is proxy/vpn, can be another useful tool.
Besides IP discourse also have user email. I often see trolls with email from temporary email services, this can be indicator of a bad user too.
Regardless, fingerprinting is becoming harder and harder these days. I cannot imagine it’ll be possible for much longer due to companies and people that are cautious about their privacy.
Thanks for the fix. Working now. 
Hello, please, clarify - can Admin see an all 20 characteristics for each user? Or only a mixed incomprehensible fingerprint numbers?
Wäre ein PR willkommen, der dieses Plugin (optional) auch für Moderatoren verfügbar macht?
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Ich sehe eine Ember-Deprecation-Warnung für dieses Plugin. Ich glaube, ich habe die neueste Version (2.0). Wird dies vor dem Ember5-Tag behoben?
deprecate-shim.js:33 DEPRECATION: [PLUGIN discourse-fingerprint-d4cc6751d9767c7e2e47d32cf0625d104e932618df8bdc6b57c6c1fb69c667ac] Die Verwendung des Ember Global ist veraltet. Sie sollten stattdessen das Ember-Modul oder die spezifische API importieren. [deprecation id: ember-global] Weitere Details finden Sie unter Ember.js - Deprecations.
(anonymous) @ deprecate-shim.js:33
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Hallo,
Ich bin mir nicht sicher, ob es am gesamten Discourse-Update lag. Früher gab es einen Teil, bei dem automatisch Benutzer mit derselben IP-Adresse usw. gefunden wurden, wie vorgesehen. Jetzt ist er jedoch leer und ich muss manuell nach Benutzern suchen. Bei über 8.000 Nutzern ist das nicht ideal.
Könnte dies bitte überprüft werden, oder fällt es in die Kategorie „defekt“?
Ich bin auch daran interessiert, dass dieses Plugin funktioniert, um Socket Puppets zu identifizieren.
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Meinen Sie das Plugin oder die Discourse-Admin-Funktionen? Wir verwenden 3.1.4 und Discourse zeigt uns weiterhin Mitglieder mit derselben IP-Adresse über das IP-Lookup-Tool an. Ist das, was Sie mit manueller Suche meinen?
Mich interessiert mehr, ob dieses Plugin noch auf 3.1 läuft.