diff --git a/src/Abstract/Model/Connection.php b/src/Abstract/Model/Connection.php
index 176d75b6..c5ab19e0 100644
--- a/src/Abstract/Model/Connection.php
+++ b/src/Abstract/Model/Connection.php
@@ -63,6 +63,11 @@ abstract class Connection implements \Yggverse\Yoda\Interface\Model\Connection
             'request',
             // 1 Mb default
         );
+
+        $this->_pool->init(
+            'auth',
+            1
+        );
     }
 
     public function isCompleted(): bool
@@ -223,6 +228,27 @@ abstract class Connection implements \Yggverse\Yoda\Interface\Model\Connection
         );
     }
 
+    public function getAuth(): bool
+    {
+        return boolval(
+            $this->_pool->get(
+                'auth'
+            )
+        );
+    }
+
+    public function setAuth(
+        bool $auth
+    ): void
+    {
+        $this->_pool->set(
+            'auth',
+            strval(
+                $auth
+            )
+        );
+    }
+
     public function getLength(): ?int
     {
         if ($data = $this->_pool->get('data'))
diff --git a/src/Interface/Model/Connection.php b/src/Interface/Model/Connection.php
index 08a01313..f5e9907d 100644
--- a/src/Interface/Model/Connection.php
+++ b/src/Interface/Model/Connection.php
@@ -74,6 +74,12 @@ interface Connection
 
     public function unsetRequest(): void;
 
+    public function getAuth(): bool;
+
+    public function setAuth(
+        bool $auth
+    ): void;
+
     public function getLength(): ?int;
 
     public function getCache(
diff --git a/src/Model/Connection/Gemini.php b/src/Model/Connection/Gemini.php
index bf4a5c8c..1f48e044 100644
--- a/src/Model/Connection/Gemini.php
+++ b/src/Model/Connection/Gemini.php
@@ -148,6 +148,120 @@ class Gemini
 
             break;
 
+            case 60: // authorization certificate required
+
+                $this->_connection->setAuth(
+                    true
+                );
+
+                $this->_connection->setTitle(
+                    _('Authorization')
+                );
+
+                $this->_connection->setSubtitle(
+                    $address->getHost()
+                );
+
+                $this->_connection->setTooltip(
+                    sprintf(
+                        'Authorization required (code: %d)',
+                        intval(
+                            $response->getCode()
+                        )
+                    )
+                );
+
+                $this->_connection->setData(
+                    sprintf(
+                        'Authorization required (code: %d)',
+                        intval(
+                            $response->getCode()
+                        )
+                    )
+                );
+
+                $this->_connection->setMime(
+                    Filesystem::MIME_TEXT_GEMINI
+                );
+
+            break;
+
+            case 61: // certificate not authorized
+
+                $this->_connection->setAuth(
+                    true
+                );
+
+                $this->_connection->setTitle(
+                    _('Oops!')
+                );
+
+                $this->_connection->setSubtitle(
+                    $address->getHost()
+                );
+
+                $this->_connection->setTooltip(
+                    sprintf(
+                        'Authorization certificate not authorized (code: %d)',
+                        intval(
+                            $response->getCode()
+                        )
+                    )
+                );
+
+                $this->_connection->setData(
+                    sprintf(
+                        'Authorization certificate not authorized (code: %d)',
+                        intval(
+                            $response->getCode()
+                        )
+                    )
+                );
+
+                $this->_connection->setMime(
+                    Filesystem::MIME_TEXT_GEMINI
+                );
+
+            break;
+
+            case 62: // certificate not valid
+
+                $this->_connection->setAuth(
+                    true
+                );
+
+                $this->_connection->setTitle(
+                    _('Oops!')
+                );
+
+                $this->_connection->setSubtitle(
+                    $address->getHost()
+                );
+
+                $this->_connection->setTooltip(
+                    sprintf(
+                        'Authorization certificate not valid (code: %d)',
+                        intval(
+                            $response->getCode()
+                        )
+                    )
+                );
+
+                $this->_connection->setData(
+                    sprintf(
+                        'Authorization certificate not valid (code: %d)',
+                        intval(
+                            $response->getCode()
+                        )
+                    )
+                );
+
+                $this->_connection->setMime(
+                    Filesystem::MIME_TEXT_GEMINI
+                );
+
+            break;
+
             default:
 
                 // Try cache