diff --git a/src/applications/config/check/PhabricatorManualActivitySetupCheck.php b/src/applications/config/check/PhabricatorManualActivitySetupCheck.php
--- a/src/applications/config/check/PhabricatorManualActivitySetupCheck.php
+++ b/src/applications/config/check/PhabricatorManualActivitySetupCheck.php
@@ -59,10 +59,10 @@
       phutil_tag(
         'a',
         array(
-          'href' => 'https://phurl.io/u/reindex',
+          'href' => 'https://secure.phabricator.com/T11932',
           'target' => '_blank',
         ),
-        'https://phurl.io/u/reindex'));
+        'https://secure.phabricator.com/T11932'));
 
     $message[] = pht(
       'After rebuilding the index, run this command to clear this setup '.
@@ -128,10 +128,10 @@
       phutil_tag(
         'a',
         array(
-          'href' => 'https://phurl.io/u/repoIdentities',
+          'href' => 'https://secure.phabricator.com/T12164',
           'target' => '_blank',
         ),
-        'https://phurl.io/u/repoIdentities'));
+        'https://secure.phabricator.com/T12164'));
 
     $message[] = pht(
       'After rebuilding repository identities, run this command to clear '.
diff --git a/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php b/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php
--- a/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php
+++ b/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php
@@ -18,7 +18,7 @@
         'You are running PHP version %s. PHP versions between 7.0 and 7.1 '.
         'are not supported'.
         "\n\n".
-        'PHP removed reqiured signal handling features in '.
+        'PHP removed required signal handling features in '.
         'PHP 7.0, and did not restore an equivalent mechanism until PHP 7.1.'.
         "\n\n".
         'Upgrade to PHP 7.1 or newer (recommended) or downgrade to an older '.
@@ -30,7 +30,7 @@
         ->setName(pht('PHP 7.0-7.1 Not Supported'))
         ->setMessage($message)
         ->addLink(
-          'https://phurl.io/u/php7',
+          'https://secure.phabricator.com/T12101',
           pht('PHP 7 Compatibility Information'));
 
       return;
diff --git a/src/applications/search/controller/PhabricatorApplicationSearchController.php b/src/applications/search/controller/PhabricatorApplicationSearchController.php
--- a/src/applications/search/controller/PhabricatorApplicationSearchController.php
+++ b/src/applications/search/controller/PhabricatorApplicationSearchController.php
@@ -854,7 +854,7 @@
     $overheated_link = phutil_tag(
       'a',
       array(
-        'href' => 'https://phurl.io/u/overheated',
+        'href' => 'https://secure.phabricator.com/T13274',
         'target' => '_blank',
       ),
       pht('Learn More'));
diff --git a/src/docs/user/configuration/configuring_inbound_email.diviner b/src/docs/user/configuration/configuring_inbound_email.diviner
--- a/src/docs/user/configuration/configuring_inbound_email.diviner
+++ b/src/docs/user/configuration/configuring_inbound_email.diviner
@@ -184,8 +184,8 @@
   - Configure a mailer in `cluster.mailers` with your Mailgun API key.
 
 Use of Mailgun is discouraged because of concerns that they may not be a
-trustworthy custodian of sensitive data. See <https://phurl.io/u/mailgun> for
-discussion and context.
+trustworthy custodian of sensitive data.
+See <https://secure.phabricator.com/T13669> for discussion and context.
 
 Postmark Setup
 ==============
diff --git a/src/docs/user/configuration/configuring_outbound_email.diviner b/src/docs/user/configuration/configuring_outbound_email.diviner
--- a/src/docs/user/configuration/configuring_outbound_email.diviner
+++ b/src/docs/user/configuration/configuring_outbound_email.diviner
@@ -222,8 +222,8 @@
 |---------|
 
 Use of Mailgun is discouraged because of concerns that they may not be a
-trustworthy custodian of sensitive data. See <https://phurl.io/u/mailgun> for
-discussion and context.
+trustworthy custodian of sensitive data.
+See <https://secure.phabricator.com/T13669> for discussion and context.
 
 Mailgun is a third-party email delivery service. You can learn more at
 <https://www.mailgun.com>. Mailgun is easy to configure and works well.
diff --git a/src/docs/user/userguide/multi_factor_auth.diviner b/src/docs/user/userguide/multi_factor_auth.diviner
--- a/src/docs/user/userguide/multi_factor_auth.diviner
+++ b/src/docs/user/userguide/multi_factor_auth.diviner
@@ -106,7 +106,7 @@
 an authorization code to enter into the prompt.
 
 (WARNING) SMS is a very weak factor and can be compromised or intercepted. For
-details, see: <https://phurl.io/u/sms>.
+details, see: <https://secure.phabricator.com/T13241>.
 
 
 Factor: Duo
diff --git a/support/startup/PhabricatorStartup.php b/support/startup/PhabricatorStartup.php
--- a/support/startup/PhabricatorStartup.php
+++ b/support/startup/PhabricatorStartup.php
@@ -577,7 +577,7 @@
       self::didFatal(
         'This HTTP request included a "Proxy:" header, poisoning the '.
         'environment (CVE-2016-5385 / httpoxy). Declining to process this '.
-        'request. For details, see: https://phurl.io/u/httpoxy');
+        'request. For details, see: https://secure.phabricator.com/T11359');
     }
   }