diff --git a/src/applications/config/check/PhabricatorManualActivitySetupCheck.php b/src/applications/config/check/PhabricatorManualActivitySetupCheck.php
index 660792ca53..59b04d895f 100644
--- a/src/applications/config/check/PhabricatorManualActivitySetupCheck.php
+++ b/src/applications/config/check/PhabricatorManualActivitySetupCheck.php
@@ -59,10 +59,10 @@ final class PhabricatorManualActivitySetupCheck
       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 @@ final class PhabricatorManualActivitySetupCheck
       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'));
 
     $message[] = pht(
       'After rebuilding repository identities, run this command to clear '.
diff --git a/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php b/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php
index 02c1134dc3..322ad26061 100644
--- a/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php
+++ b/src/applications/config/check/PhabricatorPHPPreflightSetupCheck.php
@@ -18,7 +18,7 @@ final class PhabricatorPHPPreflightSetupCheck extends PhabricatorSetupCheck {
         'You are running PHP version %s. PHP versions between 7.0 and 7.1 '.
         'are not supported'.
         "\n\n".
-        'PHP removed reqiured signal handling features in '.
+        'PHP removed required signal handling features in '.
         'PHP 7.0, and did not restore an equivalent mechanism until PHP 7.1.'.
         "\n\n".
         'Upgrade to PHP 7.1 or newer (recommended) or downgrade to an older '.
@@ -30,7 +30,7 @@ final class PhabricatorPHPPreflightSetupCheck extends PhabricatorSetupCheck {
         ->setName(pht('PHP 7.0-7.1 Not Supported'))
         ->setMessage($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
index b7b512156f..d8f53538e4 100644
--- a/src/applications/search/controller/PhabricatorApplicationSearchController.php
+++ b/src/applications/search/controller/PhabricatorApplicationSearchController.php
@@ -854,7 +854,7 @@ final class PhabricatorApplicationSearchController
     $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
index c7c9818057..75338f149e 100644
--- a/src/docs/user/configuration/configuring_inbound_email.diviner
+++ b/src/docs/user/configuration/configuring_inbound_email.diviner
@@ -184,8 +184,8 @@ like this:
   - 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
index 07cacb6b25..91c8962b59 100644
--- a/src/docs/user/configuration/configuring_outbound_email.diviner
+++ b/src/docs/user/configuration/configuring_outbound_email.diviner
@@ -222,8 +222,8 @@ Mailer: Mailgun
 |---------|
 
 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
index d445727e6c..9ef92157c9 100644
--- a/src/docs/user/userguide/multi_factor_auth.diviner
+++ b/src/docs/user/userguide/multi_factor_auth.diviner
@@ -106,7 +106,7 @@ When you're asked to confirm your identity in the future, you'll be texted
 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
index b4a4314ac0..10c6295587 100644
--- a/support/startup/PhabricatorStartup.php
+++ b/support/startup/PhabricatorStartup.php
@@ -577,7 +577,7 @@ final class PhabricatorStartup {
       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');
     }
   }