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Set the default of wgDnsBlacklistUrls to empty
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Description

The current default value of $wgDnsBlacklistUrls is [ 'http.dnsbl.sorbs.net.', ].

However, according to sorbs.net, they have terminated the service and all queries will return NXDOMAIN. Having such a default value is now meaningless, and does not block any spams. Replacing it with empty can avoid some users still using sorbs.net continue querying SORBS.

Note that this default value is also used on some WMF wikis:

Event Timeline

(noting that I didn't see the MediaWiki-General tag when I tagged with MediaWiki-Blocks -- this config variable seems to be part of core block functionality per BlockManager.php#L642; however, feel free to remove the tag if it is incorrect here)

Change #1108179 had a related patch set uploaded (by Reedy; author: Reedy):

[operations/mediawiki-config@master] Disable Dns Blacklist checks

https://gerrit.wikimedia.org/r/1108179

Change #1108180 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/core@master] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108180

Reedy triaged this task as Low priority.Jan 4 2025, 11:56 PM

Change #1108180 merged by jenkins-bot:

[mediawiki/core@master] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108180

Change #1108498 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/core@REL1_43] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108498

Change #1108499 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/core@REL1_42] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108499

Change #1108500 had a related patch set uploaded (by Reedy; author: Reedy):

[mediawiki/core@REL1_39] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108500

Change #1108500 merged by jenkins-bot:

[mediawiki/core@REL1_39] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108500

Change #1108499 merged by jenkins-bot:

[mediawiki/core@REL1_42] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108499

Change #1108498 merged by jenkins-bot:

[mediawiki/core@REL1_43] DnsBlacklistUrls: Remove sorbs.net

https://gerrit.wikimedia.org/r/1108498

Change #1108179 merged by jenkins-bot:

[operations/mediawiki-config@master] Disable Dns Blacklist checks

https://gerrit.wikimedia.org/r/1108179

Mentioned in SAL (#wikimedia-operations) [2025-01-28T08:43:29Z] <reedy@deploy2002> Started scap sync-world: Backport for [[gerrit:1110053|CommonSettings: Set 'lang=en' on Wikimedia Foundation entry in $wgFooterIcons (T383501)]], [[gerrit:1114454|SimpleCaptcha: Don't look up captcha if no ID was given (T384858)]], [[gerrit:1091818|noc: Expose MobileUrlCallback.php]], [[gerrit:1108179|Disable Dns Blacklist checks (T382987)]], [[gerrit:1088655|CommonSettings.php: Remove deprecated $wg

Mentioned in SAL (#wikimedia-operations) [2025-01-28T08:48:17Z] <reedy@deploy2002> reedy, jforrester: Backport for [[gerrit:1110053|CommonSettings: Set 'lang=en' on Wikimedia Foundation entry in $wgFooterIcons (T383501)]], [[gerrit:1114454|SimpleCaptcha: Don't look up captcha if no ID was given (T384858)]], [[gerrit:1091818|noc: Expose MobileUrlCallback.php]], [[gerrit:1108179|Disable Dns Blacklist checks (T382987)]], [[gerrit:1088655|CommonSettings.php: Remove deprecated $wgOATHAu

Mentioned in SAL (#wikimedia-operations) [2025-01-28T08:56:27Z] <reedy@deploy2002> Finished scap sync-world: Backport for [[gerrit:1110053|CommonSettings: Set 'lang=en' on Wikimedia Foundation entry in $wgFooterIcons (T383501)]], [[gerrit:1114454|SimpleCaptcha: Don't look up captcha if no ID was given (T384858)]], [[gerrit:1091818|noc: Expose MobileUrlCallback.php]], [[gerrit:1108179|Disable Dns Blacklist checks (T382987)]], [[gerrit:1088655|CommonSettings.php: Remove deprecated $w

Reedy claimed this task.