Check is safe port

client/src/helpers/constants.js

@@ -74,3 +74,70 @@ export const SETTINGS_NAMES = {
 export const STANDARD_DNS_PORT = 53;
 export const STANDARD_WEB_PORT = 80;
 export const EMPTY_DATE = '0001-01-01T00:00:00Z';
+
+export const UNSAFE_PORTS = [
+    1,
+    7,
+    9,
+    11,
+    13,
+    15,
+    17,
+    19,
+    20,
+    21,
+    22,
+    23,
+    25,
+    37,
+    42,
+    43,
+    53,
+    77,
+    79,
+    87,
+    95,
+    101,
+    102,
+    103,
+    104,
+    109,
+    110,
+    111,
+    113,
+    115,
+    117,
+    119,
+    123,
+    135,
+    139,
+    143,
+    179,
+    389,
+    465,
+    512,
+    513,
+    514,
+    515,
+    526,
+    530,
+    531,
+    532,
+    540,
+    556,
+    563,
+    587,
+    601,
+    636,
+    993,
+    995,
+    2049,
+    3659,
+    4045,
+    6000,
+    6665,
+    6666,
+    6667,
+    6668,
+    6669,
+];

client/src/helpers/form.js

@@ -1,7 +1,7 @@
 import React, { Fragment } from 'react';
 import { Trans } from 'react-i18next';
 
-import { R_IPV4 } from '../helpers/constants';
+import { R_IPV4, UNSAFE_PORTS } from '../helpers/constants';
 
 export const renderField = ({
     input, id, className, placeholder, type, disabled, meta: { touched, error },
@@ -69,4 +69,11 @@ export const port = (value) => {
     return false;
 };
 
+export const isSafePort = (value) => {
+    if (UNSAFE_PORTS.includes(value)) {
+        return <Trans>form_error_port_unsafe</Trans>;
+    }
+    return false;
+};
+
 export const toNumber = value => value && parseInt(value, 10);