diff --git a/db/patch-add-other-auth.sql b/db/patch-add-other-auth.sql
index 93a1064c4..b83f1ee76 100644
--- a/db/patch-add-other-auth.sql
+++ b/db/patch-add-other-auth.sql
@@ -3,13 +3,16 @@ BEGIN TRANSACTION;
   ALTER TABLE monitor
       ADD auth_method VARCHAR(250);
 
-  COMMIT
+  ALTER TABLE monitor
+      ADD auth_domain TEXT;
+  ALTER TABLE monitor
 
-
-BEGIN TRANSACTION;
-
-UPDATE monitor
-    SET auth_method = 'basic'
-    WHERE basic_auth_user is not null
+      ADD auth_workstation TEXT;
 
 COMMIT;
+
+BEGIN TRANSACTION;
+  UPDATE monitor
+        SET auth_method = 'basic'
+        WHERE basic_auth_user is not null;
+COMMIT;
diff --git a/package-lock.json b/package-lock.json
index 561bdf31c..d4635fd5e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,6 +17,7 @@
                 "@popperjs/core": "~2.10.2",
                 "args-parser": "~1.3.0",
                 "axios": "~0.26.1",
+                "axios-ntlm": "^1.3.0",
                 "badge-maker": "^3.3.1",
                 "bcryptjs": "~2.4.3",
                 "bootstrap": "5.1.3",
@@ -4129,6 +4130,23 @@
                 "follow-redirects": "^1.14.8"
             }
         },
+        "node_modules/axios-ntlm": {
+            "version": "1.3.0",
+            "resolved": "https://registry.npmjs.org/axios-ntlm/-/axios-ntlm-1.3.0.tgz",
+            "integrity": "sha512-NPNsIMO1SGX5scs3ZWJqsV7iRLvET+DlRl94aZ7Sx14zA8RTQh9EDxsJmxB9cKjardKfp2Vge444uYYLfvWC0Q==",
+            "dependencies": {
+                "axios": "^0.21.3",
+                "dev-null": "^0.1.1"
+            }
+        },
+        "node_modules/axios-ntlm/node_modules/axios": {
+            "version": "0.21.4",
+            "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.4.tgz",
+            "integrity": "sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==",
+            "dependencies": {
+                "follow-redirects": "^1.14.0"
+            }
+        },
         "node_modules/babel-jest": {
             "version": "27.5.1",
             "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-27.5.1.tgz",
@@ -5938,6 +5956,11 @@
                 "node": ">=8"
             }
         },
+        "node_modules/dev-null": {
+            "version": "0.1.1",
+            "resolved": "https://registry.npmjs.org/dev-null/-/dev-null-0.1.1.tgz",
+            "integrity": "sha1-WiBc48Ky73e2I41roXnrdMag6Bg="
+        },
         "node_modules/devtools-protocol": {
             "version": "0.0.948846",
             "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.948846.tgz",
@@ -19978,6 +20001,25 @@
                 "follow-redirects": "^1.14.8"
             }
         },
+        "axios-ntlm": {
+            "version": "1.3.0",
+            "resolved": "https://registry.npmjs.org/axios-ntlm/-/axios-ntlm-1.3.0.tgz",
+            "integrity": "sha512-NPNsIMO1SGX5scs3ZWJqsV7iRLvET+DlRl94aZ7Sx14zA8RTQh9EDxsJmxB9cKjardKfp2Vge444uYYLfvWC0Q==",
+            "requires": {
+                "axios": "^0.21.3",
+                "dev-null": "^0.1.1"
+            },
+            "dependencies": {
+                "axios": {
+                    "version": "0.21.4",
+                    "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.4.tgz",
+                    "integrity": "sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==",
+                    "requires": {
+                        "follow-redirects": "^1.14.0"
+                    }
+                }
+            }
+        },
         "babel-jest": {
             "version": "27.5.1",
             "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-27.5.1.tgz",
@@ -21376,6 +21418,11 @@
             "integrity": "sha512-TLz+x/vEXm/Y7P7wn1EJFNLxYpUD4TgMosxY6fAVJUnJMbupHBOncxyWUG9OpTaH9EBD7uFI5LfEgmMOc54DsA==",
             "dev": true
         },
+        "dev-null": {
+            "version": "0.1.1",
+            "resolved": "https://registry.npmjs.org/dev-null/-/dev-null-0.1.1.tgz",
+            "integrity": "sha1-WiBc48Ky73e2I41roXnrdMag6Bg="
+        },
         "devtools-protocol": {
             "version": "0.0.948846",
             "resolved": "https://registry.npmjs.org/devtools-protocol/-/devtools-protocol-0.0.948846.tgz",
diff --git a/package.json b/package.json
index e9b7003bd..2faf89133 100644
--- a/package.json
+++ b/package.json
@@ -68,6 +68,7 @@
         "@popperjs/core": "~2.10.2",
         "args-parser": "~1.3.0",
         "axios": "~0.26.1",
+        "axios-ntlm": "^1.3.0",
         "badge-maker": "^3.3.1",
         "bcryptjs": "~2.4.3",
         "bootstrap": "5.1.3",
diff --git a/server/database.js b/server/database.js
index b17e7f4ed..58e558263 100644
--- a/server/database.js
+++ b/server/database.js
@@ -58,6 +58,7 @@ class Database {
         "patch-monitor-expiry-notification.sql": true,
         "patch-status-page-footer-css.sql": true,
         "patch-added-mqtt-monitor.sql": true,
+        "patch-add-other-auth.sql": { parents: [ "patch-monitor-basic-auth.sql" ] },
     };
 
     /**
diff --git a/server/model/monitor.js b/server/model/monitor.js
index f2d16524b..5ef55c289 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -7,7 +7,7 @@ dayjs.extend(timezone);
 const axios = require("axios");
 const { Prometheus } = require("../prometheus");
 const { log, UP, DOWN, PENDING, flipStatus, TimeLogger } = require("../../src/util");
-const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mqttAsync } = require("../util-server");
+const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mqttAsync, httpNtlm } = require("../util-server");
 const { R } = require("redbean-node");
 const { BeanModel } = require("redbean-node/dist/bean-model");
 const { Notification } = require("../notification");
@@ -87,7 +87,10 @@ class Monitor extends BeanModel {
             mqttUsername: this.mqttUsername,
             mqttPassword: this.mqttPassword,
             mqttTopic: this.mqttTopic,
-            mqttSuccessMessage: this.mqttSuccessMessage
+            mqttSuccessMessage: this.mqttSuccessMessage,
+            authMethod: this.authMethod,
+            authWorkstation: this.authWorkstation,
+            authDomain: this.authDomain,
         };
 
         if (includeSensitiveData) {
@@ -213,7 +216,7 @@ class Monitor extends BeanModel {
 
                     // HTTP basic auth
                     let basicAuthHeader = {};
-                    if (this.basic_auth_user) {
+                    if (this.auth_method === "basic") {
                         basicAuthHeader = {
                             "Authorization": "Basic " + this.encodeBase64(this.basic_auth_user, this.basic_auth_pass),
                         };
@@ -264,7 +267,21 @@ class Monitor extends BeanModel {
                     log.debug("monitor", `[${this.name}] Axios Options: ${JSON.stringify(options)}`);
                     log.debug("monitor", `[${this.name}] Axios Request`);
 
-                    let res = await axios.request(options);
+                    let res;
+                    if (this.auth_method === "ntlm") {
+                        options.httpsAgent.keepAlive = true;
+
+                        res = await httpNtlm(options, {
+                            username: this.basic_auth_user,
+                            password: this.basic_auth_pass,
+                            domain: this.authDomain,
+                            workstation: this.authWorkstation,
+                        });
+
+                    } else {
+                        res = await axios.request(options);
+                    }
+
                     bean.msg = `${res.status} - ${res.statusText}`;
                     bean.ping = dayjs().valueOf() - startTime;
 
diff --git a/server/server.js b/server/server.js
index 79cb21026..9f3dea242 100644
--- a/server/server.js
+++ b/server/server.js
@@ -674,6 +674,9 @@ try {
                 bean.mqttPassword = monitor.mqttPassword;
                 bean.mqttTopic = monitor.mqttTopic;
                 bean.mqttSuccessMessage = monitor.mqttSuccessMessage;
+                bean.authMethod = monitor.authMethod;
+                bean.authWorkstation = monitor.authWorkstation;
+                bean.authDomain = monitor.authDomain;
 
                 await R.store(bean);
 
@@ -1247,8 +1250,11 @@ try {
                                 method: monitorListData[i].method || "GET",
                                 body: monitorListData[i].body,
                                 headers: monitorListData[i].headers,
+                                authMethod: monitorListData[i].authMethod,
                                 basic_auth_user: monitorListData[i].basic_auth_user,
                                 basic_auth_pass: monitorListData[i].basic_auth_pass,
+                                authWorkstation: monitorListData[i].authWorkstation,
+                                authDomain: monitorListData[i].authDomain,
                                 interval: monitorListData[i].interval,
                                 retryInterval: retryInterval,
                                 hostname: monitorListData[i].hostname,
diff --git a/server/util-server.js b/server/util-server.js
index 54974e148..e782cdf03 100644
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -10,6 +10,7 @@ const chardet = require("chardet");
 const mqtt = require("mqtt");
 const chroma = require("chroma-js");
 const { badgeConstants } = require("./config");
+const { NtlmClient } = require("axios-ntlm");
 
 // From ping-lite
 exports.WIN = /^win/.test(process.platform);
@@ -172,6 +173,26 @@ exports.mqttAsync = function (hostname, topic, okMessage, options = {}) {
     });
 };
 
+/**
+ * Use NTLM Auth for a http request.
+ * @param {Object} options The http request options
+ * @param {Object} ntlmOptions The auth options
+ * @returns {Promise<(string[]|Object[]|Object)>}
+ */
+exports.httpNtlm = function (options, ntlmOptions) {
+    return new Promise((resolve, reject) => {
+        let client = NtlmClient(ntlmOptions);
+
+        client(options)
+            .then((resp) => {
+                resolve(resp);
+            })
+            .catch((err) => {
+                reject(err);
+            });
+    });
+};
+
 /**
  * Resolves a given record using the specified DNS server
  * @param {string} hostname The hostname of the record to lookup
diff --git a/src/pages/EditMonitor.vue b/src/pages/EditMonitor.vue
index b42c285cb..ab018d776 100644
--- a/src/pages/EditMonitor.vue
+++ b/src/pages/EditMonitor.vue
@@ -358,24 +358,39 @@
                                 <div class="my-3">
                                     <label for="method" class="form-label">{{ $t("Method") }}</label>
                                     <select id="method" v-model="monitor.authMethod" class="form-select">
-                                        <option value="GET">
+                                        <option value="">
+                                            None
+                                        </option>
+                                        <option value="basic">
                                             Basic
                                         </option>
-                                        <option value="POST">
-                                            NTML
+                                        <option value="ntlm">
+                                            NTLM
                                         </option>
                                     </select>
                                 </div>
+                                <template v-if="monitor.authMethod && monitor.authMethod !== '' ">
+                                    <div class="my-3">
+                                        <label for="basicauth" class="form-label">{{ $t("Username") }}</label>
+                                        <input id="basicauth-user" v-model="monitor.basic_auth_user" type="text" class="form-control" :placeholder="$t('Username')">
+                                    </div>
 
-                                <div class="my-3">
-                                    <label for="basicauth" class="form-label">{{ $t("Username") }}</label>
-                                    <input id="basicauth-user" v-model="monitor.basic_auth_user" type="text" class="form-control" :placeholder="$t('Username')">
-                                </div>
+                                    <div class="my-3">
+                                        <label for="basicauth" class="form-label">{{ $t("Password") }}</label>
+                                        <input id="basicauth-pass" v-model="monitor.basic_auth_pass" type="password" autocomplete="new-password" class="form-control" :placeholder="$t('Password')">
+                                    </div>
+                                    <template v-if="monitor.authMethod === 'ntlm' ">
+                                        <div class="my-3">
+                                            <label for="basicauth" class="form-label">{{ $t("Domain") }}</label>
+                                            <input id="basicauth-domain" v-model="monitor.authDomain" type="text" class="form-control" :placeholder="$t('Domain')">
+                                        </div>
 
-                                <div class="my-3">
-                                    <label for="basicauth" class="form-label">{{ $t("Password") }}</label>
-                                    <input id="basicauth-pass" v-model="monitor.basic_auth_pass" type="password" autocomplete="new-password" class="form-control" :placeholder="$t('Password')">
-                                </div>
+                                        <div class="my-3">
+                                            <label for="basicauth" class="form-label">{{ $t("Workstation") }}</label>
+                                            <input id="basicauth-workstation" v-model="monitor.authWorkstation" type="password" autocomplete="new-password" class="form-control" :placeholder="$t('Workstation')">
+                                        </div>
+                                    </template>
+                                </template>
                             </template>
                         </div>
                     </div>