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SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.
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Markus Heiser 14323d683f [fix] ddg-lite & ddg-extra: don't send empty vqd value 
DDG's bot detection is sensitive to the vqd value.  For some search terms (such
as extremely long search terms that are often sent by bots), no vqd value can be
determined.

If SearXNG cannot determine a vqd value, then no request should go out to
DDG (WEB): a request with a wrong vqd value leads to DDG temporarily putting
SearXNG's IP on a block list.

Requests from IPs in this block list run into timeouts.

Not sure, but it seems the block list is a sliding window: to get my IP rid from
the bot list I had to cool down my IP for 1h (send no requests from that IP to
DDG).

Since such issues can't reproduce in a local instance I tested this patch 24h on
my public SearXNG instance: There are still errors (rare), but the reliability
is still 100%.

Related:

- https://github.com/searxng/searxng/pull/2922
- https://github.com/searxng/searxng/pull/2923

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
 		2023-10-12 08:52:28 +02:00
.devcontainer Add GitHub Codespaces configuration 2023-03-21 20:58:13 +00:00
.github [CI] upgrade actions/checkout@v4 & actions/upload-artifact@v3 2023-09-15 14:45:54 +02:00
.vscode Add GitHub Codespaces configuration 2023-03-21 20:58:13 +00:00
dockerfiles [fix] harmonize default settings for caching of /static files 2023-09-25 22:52:23 +02:00
docs [mod] add hotkeys option to settings.yml 2023-10-09 18:13:00 +02:00
examples Fix whitespaces 2016-07-11 18:52:37 +07:00
searx [fix] ddg-lite & ddg-extra: don't send empty vqd value 2023-10-12 08:52:28 +02:00
searxng_extra [fix] update user agent 2023-09-25 22:46:22 +02:00
src/brand [simple] ImageLayout.watch: `img_load_error.svg` if img load fails 2021-11-29 21:10:13 +01:00
tests better error message when no results found 2023-09-19 11:10:48 +02:00
utils [mod] settings.yml: remove plugin settings for plugins that don't exist anymore 2023-09-29 11:26:49 +02:00
.coveragerc [mod] use github actions instead of travis 2020-11-17 15:09:06 +01:00
.dir-locals.el [emacs] .dir-locals.el: add Language Server Protocol Support (LSP) 2023-02-11 13:36:53 +01:00
.dockerignore [fix] tidy up ignore lists .gitignore & .dockerignore 2021-06-22 16:55:30 +02:00
.editorconfig [enh] add .editorconfig 2023-03-20 12:29:12 +01:00
.gitattributes [fix] update .gitattributes 2021-06-22 20:34:39 +02:00
.gitignore SearXNG version: fix make docker 2023-01-20 10:46:00 +00:00
.nvmrc Upgrade dependencies 2023-10-01 08:25:00 +02:00
.pylintrc [mod] make python code pylint 2.16.1 compliant 2023-02-10 13:59:21 +01:00
.weblate weblate: migration to https://translate.codeberg.org/ 2023-01-21 15:45:12 +00:00
.yamllint.yml [enh] add test.yamllint - lint yaml files 2021-06-05 17:41:24 +02:00
AUTHORS.rst [fix] keyboard navigation / simple theme (UI) 2023-09-16 13:45:43 +02:00
CHANGELOG.rst [releases] rolling release: commit history replaces the CHANGELOG 2023-05-06 14:49:33 +02:00
CONTRIBUTING.md reference docs.searxng.org 2022-01-02 21:18:29 +01:00
Dockerfile Bump Alpine 3.18 (Python 3.11) 2023-05-10 10:36:15 +02:00
LICENSE [fix] full AGPLv3+ license according to #382 2015-07-04 18:23:54 +02:00
Makefile [doc] improve documentation of make targets and ./manage script 2023-08-06 19:37:12 +02:00
PULL_REQUEST_TEMPLATE.md [chore] fix typo and spacing in pull request template 2023-09-15 10:46:51 +02:00
README.rst readme typo 2023-10-11 06:19:31 +02:00
SECURITY.md [enh] add security policy 2022-01-25 00:56:20 +01:00
babel.cfg [fix] jinja/babel: WithExtension and AutoEscapeExtension are built-in now. 2022-03-25 09:42:12 +01:00
manage Upgrade dependencies 2023-10-01 08:25:00 +02:00
package.json Upgrade dependencies 2023-10-01 08:25:00 +02:00
pyrightconfig-ci.json [mod] add test.pyright to test & ci.test targets 2022-01-23 08:00:39 +01:00
pyrightconfig.json [fix] pyrightconfig.json include only dedicated folders in the test 2022-01-23 08:00:39 +01:00
requirements-dev.txt Bump nose2[coverage_plugin] from 0.13.0 to 0.14.0 2023-10-06 10:29:40 +02:00
requirements.txt Bump setproctitle from 1.3.2 to 1.3.3 2023-10-06 10:29:12 +02:00
setup.py [mod] replace /help by /info pages and include pages in project docs 2022-03-12 11:36:31 +01:00

README.rst

Privacy-respecting, hackable metasearch engine

Searx.space lists ready-to-use running instances.

A user, admin and developer handbook is available on the homepage.

SearXNG install SearXNG homepage SearXNG wiki AGPL License Issues commits weblate SearXNG logo

Contact

Ask questions or just chat about SearXNG on

IRC

#searxng on libera.chat which is bridged to Matrix.

Matrix

#searxng:matrix.org

Setup

Translations

Help translate SearXNG at Weblate

Contributing

Are you a developer? Have a look at our development quickstart guide, it's very easy to contribute. Additionally we have a developer documentation.

Codespaces

You can contribute from your browser using GitHub Codespaces:

  • Fork the repository
  • Click on the <> Code green button
  • Click on the Codespaces tab instead of Local
  • Click on Create codespace on master
  • VSCode is going to start in the browser
  • Wait for git pull && make install to appear and then disappear
  • You have 120 hours per month (see also your list of existing Codespaces)
  • You can start SearXNG using make run in the terminal or by pressing Ctrl+Shift+B