diff --git frontends/php/disc_prototypes.php frontends/php/disc_prototypes.php
index 86495f3842..e57ae0ca2e 100644
--- frontends/php/disc_prototypes.php
+++ frontends/php/disc_prototypes.php
@@ -256,14 +256,15 @@ $fields = [
 										null
 									],
 	'http_authtype' =>				[T_ZBX_INT, O_OPT, null,
-										IN([HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_NTLM,
-											HTTPTEST_AUTH_KERBEROS
+										IN([HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_DIGEST,
+											HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS
 										]),
 										null
 									],
 	'http_username' =>				[T_ZBX_STR, O_OPT, null,	null,
 										'(isset({add}) || isset({update})) && isset({http_authtype})'.
 											' && ({http_authtype} == '.HTTPTEST_AUTH_BASIC.
+												' || {http_authtype} == '.HTTPTEST_AUTH_DIGEST.
 												' || {http_authtype} == '.HTTPTEST_AUTH_NTLM.
 												' || {http_authtype} == '.HTTPTEST_AUTH_KERBEROS.
 											')',
@@ -272,6 +273,7 @@ $fields = [
 	'http_password' =>				[T_ZBX_STR, O_OPT, null,	null,
 										'(isset({add}) || isset({update})) && isset({http_authtype})'.
 											' && ({http_authtype} == '.HTTPTEST_AUTH_BASIC.
+												' || {http_authtype} == '.HTTPTEST_AUTH_DIGEST.
 												' || {http_authtype} == '.HTTPTEST_AUTH_NTLM.
 												' || {http_authtype} == '.HTTPTEST_AUTH_KERBEROS.
 											')',
diff --git frontends/php/host_discovery.php frontends/php/host_discovery.php
index 0fa70e8b88..51c1a55de2 100644
--- frontends/php/host_discovery.php
+++ frontends/php/host_discovery.php
@@ -198,14 +198,15 @@ $fields = [
 									null
 								],
 	'http_authtype' =>			[T_ZBX_INT, O_OPT, null,
-									IN([HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_NTLM,
-										HTTPTEST_AUTH_KERBEROS
+									IN([HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_DIGEST,
+										HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS
 									]),
 									null
 								],
 	'http_username' =>			[T_ZBX_STR, O_OPT, null,	null,
 									'(isset({add}) || isset({update})) && isset({http_authtype})'.
 										' && ({http_authtype} == '.HTTPTEST_AUTH_BASIC.
+											' || {http_authtype} == '.HTTPTEST_AUTH_DIGEST.')',
 											' || {http_authtype} == '.HTTPTEST_AUTH_NTLM.
 											' || {http_authtype} == '.HTTPTEST_AUTH_KERBEROS.')',
 									_('Username')
@@ -213,6 +214,7 @@ $fields = [
 	'http_password' =>			[T_ZBX_STR, O_OPT, null,	null,
 									'(isset({add}) || isset({update})) && isset({http_authtype})'.
 										' && ({http_authtype} == '.HTTPTEST_AUTH_BASIC.
+											' || {http_authtype} == '.HTTPTEST_AUTH_DIGEST.')',
 											' || {http_authtype} == '.HTTPTEST_AUTH_NTLM.
 											' || {http_authtype} == '.HTTPTEST_AUTH_KERBEROS.')',
 									_('Password')
diff --git frontends/php/httpconf.php frontends/php/httpconf.php
index 7f43ae688b..e9fd2271aa 100644
--- frontends/php/httpconf.php
+++ frontends/php/httpconf.php
@@ -54,12 +54,14 @@ $fields = [
 	'authentication'  => [T_ZBX_INT, O_OPT, null,  IN('0,1,2,3'),             'isset({add}) || isset({update})'],
 	'http_user'       => [T_ZBX_STR, O_OPT, null,  null,
 		'(isset({add}) || isset({update})) && isset({authentication}) && ({authentication}=='.HTTPTEST_AUTH_BASIC.
+			' || {authentication}=='.HTTPTEST_AUTH_DIGEST.
 			' || {authentication}=='.HTTPTEST_AUTH_NTLM.' || {authentication}=='.HTTPTEST_AUTH_KERBEROS.
 		')',
 		_('User')
 	],
 	'http_password'		=> [T_ZBX_STR, O_OPT, P_NO_TRIM, null,
 		'(isset({add}) || isset({update})) && isset({authentication}) && ({authentication}=='.HTTPTEST_AUTH_BASIC.
+			' || {authentication}=='.HTTPTEST_AUTH_DIGEST.
 			' || {authentication}=='.HTTPTEST_AUTH_NTLM.' || {authentication}=='.HTTPTEST_AUTH_KERBEROS.
 		')',
 		_('Password')
diff --git frontends/php/include/classes/api/services/CHttpTest.php frontends/php/include/classes/api/services/CHttpTest.php
index c7c2039b8a..8f5033051c 100644
--- frontends/php/include/classes/api/services/CHttpTest.php
+++ frontends/php/include/classes/api/services/CHttpTest.php
@@ -286,7 +286,7 @@ class CHttpTest extends CApiService {
 				'value' =>				['type' => API_STRING_UTF8, 'flags' => API_REQUIRED | API_NOT_EMPTY, 'length' => DB::getFieldLength('httptest_field', 'value')]
 			]],
 			'status' =>				['type' => API_INT32, 'in' => implode(',', [HTTPTEST_STATUS_ACTIVE, HTTPTEST_STATUS_DISABLED])],
-			'authentication' =>		['type' => API_INT32, 'in' => implode(',', [HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS])],
+			'authentication' =>		['type' => API_INT32, 'in' => implode(',', [HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_DIGEST, HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS])],
 			'http_user' =>			['type' => API_STRING_UTF8, 'length' => DB::getFieldLength('httptest', 'http_user')],
 			'http_password' =>		['type' => API_STRING_UTF8, 'length' => DB::getFieldLength('httptest', 'http_password')],
 			'verify_peer' =>		['type' => API_INT32, 'in' => implode(',', [HTTPTEST_VERIFY_PEER_OFF, HTTPTEST_VERIFY_PEER_ON])],
@@ -380,7 +380,7 @@ class CHttpTest extends CApiService {
 				'value' =>				['type' => API_STRING_UTF8, 'flags' => API_REQUIRED | API_NOT_EMPTY, 'length' => DB::getFieldLength('httptest_field', 'value')]
 			]],
 			'status' =>				['type' => API_INT32, 'in' => implode(',', [HTTPTEST_STATUS_ACTIVE, HTTPTEST_STATUS_DISABLED])],
-			'authentication' =>		['type' => API_INT32, 'in' => implode(',', [HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS])],
+			'authentication' =>		['type' => API_INT32, 'in' => implode(',', [HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_DIGEST, HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS])],
 			'http_user' =>			['type' => API_STRING_UTF8, 'length' => DB::getFieldLength('httptest', 'http_user')],
 			'http_password' =>		['type' => API_STRING_UTF8, 'length' => DB::getFieldLength('httptest', 'http_password')],
 			'verify_peer' =>		['type' => API_INT32, 'in' => implode(',', [HTTPTEST_VERIFY_PEER_OFF, HTTPTEST_VERIFY_PEER_ON])],
diff --git frontends/php/include/classes/api/services/CItemGeneral.php frontends/php/include/classes/api/services/CItemGeneral.php
index b3b5092731..c304230407 100644
--- frontends/php/include/classes/api/services/CItemGeneral.php
+++ frontends/php/include/classes/api/services/CItemGeneral.php
@@ -2195,7 +2195,7 @@ abstract class CItemGeneral extends CApiService {
 			'authtype' => [
 				'type' => API_INT32,
 				'in' => implode(',', [
-					HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS
+					HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_DIGEST, HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS
 				])
 			]
 		];
@@ -2203,7 +2203,7 @@ abstract class CItemGeneral extends CApiService {
 		$data = $item + $db_item;
 
 		if (array_key_exists('authtype', $data)
-				&& ($data['authtype'] == HTTPTEST_AUTH_BASIC || $data['authtype'] == HTTPTEST_AUTH_NTLM
+				&& ($data['authtype'] == HTTPTEST_AUTH_BASIC || $data['authtype'] == HTTPTEST_AUTH_DIGEST || $data['authtype'] == HTTPTEST_AUTH_NTLM
 					|| $data['authtype'] == HTTPTEST_AUTH_KERBEROS)) {
 			$rules += [
 				'username' => [ 'type' => API_STRING_UTF8, 'length' => DB::getFieldLength('items', 'username')],
diff --git frontends/php/include/defines.inc.php frontends/php/include/defines.inc.php
index 19b815f4aa..f9e7451ae2 100644
--- frontends/php/include/defines.inc.php
+++ frontends/php/include/defines.inc.php
@@ -881,6 +881,7 @@ define('HTTPTEST_AUTH_NONE',		0);
 define('HTTPTEST_AUTH_BASIC',		1);
 define('HTTPTEST_AUTH_NTLM',		2);
 define('HTTPTEST_AUTH_KERBEROS',	3);
+define('HTTPTEST_AUTH_DIGEST',	    4);
 
 define('HTTPTEST_STATUS_ACTIVE',	0);
 define('HTTPTEST_STATUS_DISABLED',	1);
diff --git frontends/php/include/httptest.inc.php frontends/php/include/httptest.inc.php
index 508c9fabe5..1a91bd75e6 100644
--- frontends/php/include/httptest.inc.php
+++ frontends/php/include/httptest.inc.php
@@ -27,7 +27,8 @@ function httptest_authentications($type = null) {
 		HTTPTEST_AUTH_NONE => _('None'),
 		HTTPTEST_AUTH_BASIC => _('Basic'),
 		HTTPTEST_AUTH_NTLM => _('NTLM'),
-		HTTPTEST_AUTH_KERBEROS => _('Kerberos')
+		HTTPTEST_AUTH_KERBEROS => _('Kerberos'),
+		HTTPTEST_AUTH_DIGEST => _('Digest')
 	];
 
 	if (is_null($type)) {
diff --git frontends/php/include/views/configuration.host.discovery.edit.php frontends/php/include/views/configuration.host.discovery.edit.php
index 958ecb1e8f..6f3539a981 100644
--- frontends/php/include/views/configuration.host.discovery.edit.php
+++ frontends/php/include/views/configuration.host.discovery.edit.php
@@ -275,7 +275,8 @@ $form_list
 				HTTPTEST_AUTH_NONE => _('None'),
 				HTTPTEST_AUTH_BASIC => _('Basic'),
 				HTTPTEST_AUTH_NTLM => _('NTLM'),
-				HTTPTEST_AUTH_KERBEROS => _('Kerberos')
+				HTTPTEST_AUTH_KERBEROS => _('Kerberos'),
+				HTTPTEST_AUTH_DIGEST => _('Digest')
 			]))->setEnabled(!$data['limited'])
 		],
 		'http_authtype_row'
diff --git frontends/php/include/views/configuration.item.edit.php frontends/php/include/views/configuration.item.edit.php
index 28a1891924..d2956704fd 100644
--- frontends/php/include/views/configuration.item.edit.php
+++ frontends/php/include/views/configuration.item.edit.php
@@ -321,7 +321,8 @@ $form_list
 				HTTPTEST_AUTH_NONE => _('None'),
 				HTTPTEST_AUTH_BASIC => _('Basic'),
 				HTTPTEST_AUTH_NTLM => _('NTLM'),
-				HTTPTEST_AUTH_KERBEROS => _('Kerberos')
+				HTTPTEST_AUTH_KERBEROS => _('Kerberos'),
+				HTTPTEST_AUTH_DIGEST => _('Digest')
 			]))->setEnabled(!$readonly)
 		],
 		'http_authtype_row'
diff --git frontends/php/include/views/configuration.item.prototype.edit.php frontends/php/include/views/configuration.item.prototype.edit.php
index 36d4c7713c..883bb967ca 100644
--- frontends/php/include/views/configuration.item.prototype.edit.php
+++ frontends/php/include/views/configuration.item.prototype.edit.php
@@ -303,7 +303,8 @@ $form_list
 				HTTPTEST_AUTH_NONE => _('None'),
 				HTTPTEST_AUTH_BASIC => _('Basic'),
 				HTTPTEST_AUTH_NTLM => _('NTLM'),
-				HTTPTEST_AUTH_KERBEROS => _('Kerberos')
+				HTTPTEST_AUTH_KERBEROS => _('Kerberos'),
+				HTTPTEST_AUTH_DIGEST => _('Digest')
 			]))->setEnabled(!$readonly)
 		],
 		'http_authtype_row'
diff --git frontends/php/include/views/js/common.item.edit.js.php frontends/php/include/views/js/common.item.edit.js.php
index 990bea9d74..8b4d17de26 100644
--- frontends/php/include/views/js/common.item.edit.js.php
+++ frontends/php/include/views/js/common.item.edit.js.php
@@ -245,7 +245,8 @@ zbx_subarray_push($this->data['authTypeVisibility'], ITEM_AUTHTYPE_PUBLICKEY, 'r
 			new CViewSwitcher('http_authtype', 'change', <?= zbx_jsvalue([
 				HTTPTEST_AUTH_BASIC => ['http_username_row', 'http_password_row'],
 				HTTPTEST_AUTH_NTLM => ['http_username_row', 'http_password_row'],
-				HTTPTEST_AUTH_KERBEROS => ['http_username_row', 'http_password_row']
+				HTTPTEST_AUTH_KERBEROS => ['http_username_row', 'http_password_row'],
+				HTTPTEST_AUTH_DIGEST => ['http_username_row', 'http_password_row']
 			], true) ?>);
 		}
 		<?php
diff --git frontends/php/items.php frontends/php/items.php
index 4363de1d12..a2ef52dfa5 100644
--- frontends/php/items.php
+++ frontends/php/items.php
@@ -248,14 +248,15 @@ $fields = [
 										null
 									],
 	'http_authtype' =>				[T_ZBX_INT, O_OPT, null,
-										IN([HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_NTLM,
-											HTTPTEST_AUTH_KERBEROS
+										IN([HTTPTEST_AUTH_NONE, HTTPTEST_AUTH_BASIC, HTTPTEST_AUTH_DIGEST,
+											HTTPTEST_AUTH_NTLM, HTTPTEST_AUTH_KERBEROS
 										]),
 										null
 									],
 	'http_username' =>				[T_ZBX_STR, O_OPT, null,	null,
 										'(isset({add}) || isset({update})) && isset({http_authtype})'.
 											' && ({http_authtype} == '.HTTPTEST_AUTH_BASIC.
+												' || {http_authtype} == '.HTTPTEST_AUTH_DIGEST.
 												' || {http_authtype} == '.HTTPTEST_AUTH_NTLM.
 												' || {http_authtype} == '.HTTPTEST_AUTH_KERBEROS.')',
 										_('Username')
@@ -263,6 +264,7 @@ $fields = [
 	'http_password' =>				[T_ZBX_STR, O_OPT, null,	null,
 										'(isset({add}) || isset({update})) && isset({http_authtype})'.
 											' && ({http_authtype} == '.HTTPTEST_AUTH_BASIC.
+												' || {http_authtype} == '.HTTPTEST_AUTH_DIGEST.
 												' || {http_authtype} == '.HTTPTEST_AUTH_NTLM.
 												' || {http_authtype} == '.HTTPTEST_AUTH_KERBEROS.')',
 										_('Password')
diff --git include/common.h include/common.h
index 75cde313f6..4427a4239b 100644
--- include/common.h
+++ include/common.h
@@ -905,7 +905,8 @@ typedef enum
 	HTTPTEST_AUTH_NONE = 0,
 	HTTPTEST_AUTH_BASIC,
 	HTTPTEST_AUTH_NTLM,
-	HTTPTEST_AUTH_NEGOTIATE
+	HTTPTEST_AUTH_NEGOTIATE,
+	HTTPTEST_AUTH_DIGEST
 }
 zbx_httptest_auth_t;
 
diff --git src/libs/zbxhttp/http.c src/libs/zbxhttp/http.c
index d7c33aa78b..d82b64fb55 100644
--- src/libs/zbxhttp/http.c
+++ src/libs/zbxhttp/http.c
@@ -157,6 +157,9 @@ int	zbx_http_prepare_auth(CURL *easyhandle, unsigned char authtype, const char *
 				curlauth = CURLAUTH_GSSNEGOTIATE;
 #endif
 				break;
+			case HTTPTEST_AUTH_DIGEST:
+				curlauth = CURLAUTH_DIGEST;
+				break;
 			default:
 				THIS_SHOULD_NEVER_HAPPEN;
 				break;