diff --git a/client/src/components/Settings/Clients/Form/index.tsx b/client/src/components/Settings/Clients/Form/index.tsx
index 90cbd3da..0ea6098c 100644
--- a/client/src/components/Settings/Clients/Form/index.tsx
+++ b/client/src/components/Settings/Clients/Form/index.tsx
@@ -186,9 +186,7 @@ export const Form = ({
                             <div className="form__desc mt-0">
                                 <Trans
                                     components={[
-                                        <a href={CLIENT_ID_LINK} target="_blank" rel="noopener noreferrer" key="0">
-                                            text
-                                        </a>,
+                                        <a href={CLIENT_ID_LINK} target="_blank" rel="noopener noreferrer" key="0" />,
                                     ]}>
                                     client_identifier_desc
                                 </Trans>
diff --git a/client/src/components/Settings/Dhcp/FormDHCPv4.tsx b/client/src/components/Settings/Dhcp/FormDHCPv4.tsx
index b10f7b4d..a502643d 100644
--- a/client/src/components/Settings/Dhcp/FormDHCPv4.tsx
+++ b/client/src/components/Settings/Dhcp/FormDHCPv4.tsx
@@ -1,7 +1,8 @@
-import React from 'react';
+import React, { useMemo } from 'react';
 import { useFormContext } from 'react-hook-form';
 import { useTranslation } from 'react-i18next';
 
+import { isValid } from 'date-fns';
 import { UINT32_RANGE } from '../../../helpers/constants';
 import {
     validateGatewaySubnetMask,
@@ -32,7 +33,7 @@ const FormDHCPv4 = ({ processingConfig, ipv4placeholders, interfaces, onSubmit }
     const {
         register,
         handleSubmit,
-        formState: { errors, isSubmitting },
+        formState: { errors, isSubmitting, isValid },
         watch,
     } = useFormContext<DhcpFormValues>();
 
@@ -49,6 +50,10 @@ const FormDHCPv4 = ({ processingConfig, ipv4placeholders, interfaces, onSubmit }
         }
     };
 
+    const isDisabled = useMemo(() => {
+        return isSubmitting || !isValid || processingConfig || !isInterfaceIncludesIpv4 || isEmptyConfig;
+    }, [isSubmitting, isValid, processingConfig, isInterfaceIncludesIpv4, isEmptyConfig]);
+
     return (
         <form onSubmit={handleSubmit(handleFormSubmit)}>
             <div className="row">
@@ -169,16 +174,7 @@ const FormDHCPv4 = ({ processingConfig, ipv4placeholders, interfaces, onSubmit }
             </div>
 
             <div className="btn-list">
-                <button
-                    type="submit"
-                    className="btn btn-success btn-standard"
-                    disabled={
-                        isSubmitting ||
-                        processingConfig ||
-                        !isInterfaceIncludesIpv4 ||
-                        isEmptyConfig ||
-                        Object.keys(errors).length > 0
-                    }>
+                <button type="submit" className="btn btn-success btn-standard" disabled={isDisabled}>
                     {t('save_config')}
                 </button>
             </div>
diff --git a/client/src/components/Settings/Dhcp/FormDHCPv6.tsx b/client/src/components/Settings/Dhcp/FormDHCPv6.tsx
index a3b04e6c..d4dcd246 100644
--- a/client/src/components/Settings/Dhcp/FormDHCPv6.tsx
+++ b/client/src/components/Settings/Dhcp/FormDHCPv6.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useMemo } from 'react';
 import { useFormContext } from 'react-hook-form';
 import { useTranslation } from 'react-i18next';
 
@@ -30,7 +30,7 @@ const FormDHCPv6 = ({ processingConfig, ipv6placeholders, interfaces, onSubmit }
     const {
         register,
         handleSubmit,
-        formState: { errors, isSubmitting },
+        formState: { errors, isSubmitting, isValid },
         watch,
     } = useFormContext<DhcpFormValues>();
 
@@ -46,6 +46,10 @@ const FormDHCPv6 = ({ processingConfig, ipv6placeholders, interfaces, onSubmit }
         }
     };
 
+    const isDisabled = useMemo(() => {
+        return isSubmitting || !isValid || processingConfig || !isInterfaceIncludesIpv6 || isEmptyConfig;
+    }, [isSubmitting, isValid, processingConfig, isInterfaceIncludesIpv6, isEmptyConfig]);
+
     return (
         <form onSubmit={handleSubmit(handleFormSubmit)}>
             <div className="row">
@@ -126,16 +130,7 @@ const FormDHCPv6 = ({ processingConfig, ipv6placeholders, interfaces, onSubmit }
             </div>
 
             <div className="btn-list">
-                <button
-                    type="submit"
-                    className="btn btn-success btn-standard"
-                    disabled={
-                        isSubmitting ||
-                        processingConfig ||
-                        !isInterfaceIncludesIpv6 ||
-                        isEmptyConfig ||
-                        Object.keys(errors).length > 0
-                    }>
+                <button type="submit" className="btn btn-success btn-standard" disabled={isDisabled}>
                     {t('save_config')}
                 </button>
             </div>
diff --git a/client/src/components/Settings/Dns/Access/Form.tsx b/client/src/components/Settings/Dns/Access/Form.tsx
index 53190c6c..ac0f4c71 100644
--- a/client/src/components/Settings/Dns/Access/Form.tsx
+++ b/client/src/components/Settings/Dns/Access/Form.tsx
@@ -4,6 +4,7 @@ import { Trans, useTranslation } from 'react-i18next';
 
 import { CLIENT_ID_LINK } from '../../../../helpers/constants';
 import { removeEmptyLines, trimMultilineString } from '../../../../helpers/helpers';
+import { Textarea } from '../../../ui/Controls/Textarea';
 
 const fields = [
     {
@@ -44,7 +45,7 @@ interface FormData {
 
 const Form = ({ initialValues, onSubmit, processingSet }: FormProps) => {
     const { t } = useTranslation();
-    
+
     const {
         control,
         handleSubmit,
@@ -88,11 +89,7 @@ const Form = ({ initialValues, onSubmit, processingSet }: FormProps) => {
                 <div className="form__desc form__desc--top">
                     <Trans
                         components={{
-                            a: (
-                                <a href={CLIENT_ID_LINK} target="_blank" rel="noopener noreferrer">
-                                    {t('text')}
-                                </a>
-                            ),
+                            a: <a href={CLIENT_ID_LINK} target="_blank" rel="noopener noreferrer" />,
                         }}>
                         {subtitle}
                     </Trans>
@@ -102,14 +99,12 @@ const Form = ({ initialValues, onSubmit, processingSet }: FormProps) => {
                     name={id}
                     control={control}
                     render={({ field }) => (
-                        <textarea
+                        <Textarea
                             {...field}
                             id={id}
-                            className="form-control form-control--textarea font-monospace"
                             disabled={disabled || processingSet}
                             onBlur={(e) => {
-                                const normalized = normalizeOnBlur(e.target.value);
-                                field.onChange(normalized);
+                                field.onChange(normalizeOnBlur(e.target.value));
                             }}
                         />
                     )}
@@ -120,8 +115,17 @@ const Form = ({ initialValues, onSubmit, processingSet }: FormProps) => {
 
     return (
         <form onSubmit={handleSubmit(onSubmit)}>
-            {fields.map((f) => renderField(f as { id: keyof FormData; title: string; subtitle: string; normalizeOnBlur: (value: string) => string; }))}
-            
+            {fields.map((f) =>
+                renderField(
+                    f as {
+                        id: keyof FormData;
+                        title: string;
+                        subtitle: string;
+                        normalizeOnBlur: (value: string) => string;
+                    },
+                ),
+            )}
+
             <div className="card-actions">
                 <div className="btn-list">
                     <button
diff --git a/client/src/components/Settings/FiltersConfig/index.tsx b/client/src/components/Settings/FiltersConfig/index.tsx
index 6db7b204..dc66f9ac 100644
--- a/client/src/components/Settings/FiltersConfig/index.tsx
+++ b/client/src/components/Settings/FiltersConfig/index.tsx
@@ -2,19 +2,24 @@ import React, { useEffect, useRef } from 'react';
 import { Controller, useForm } from 'react-hook-form';
 import { Trans, useTranslation } from 'react-i18next';
 
+import i18next from 'i18next';
 import { toNumber } from '../../../helpers/form';
-import { FILTERS_INTERVALS_HOURS, FILTERS_RELATIVE_LINK } from '../../../helpers/constants';
+import { DAY, FILTERS_INTERVALS_HOURS, FILTERS_RELATIVE_LINK } from '../../../helpers/constants';
 import { Checkbox } from '../../ui/Controls/Checkbox';
 
-const getTitleForInterval = (interval: any, t: any) => {
+const THREE_DAYS_INTERVAL = DAY * 3;
+const SEVEN_DAYS_INTERVAL = DAY * 7;
+
+const getTitleForInterval = (interval: number) => {
     if (interval === 0) {
-        return t('disabled');
-    }
-    if (interval === 72 || interval === 168) {
-        return t('interval_days', { count: interval / 24 });
+        return i18next.t('disabled');
     }
 
-    return t('interval_hours', { count: interval });
+    if (interval === THREE_DAYS_INTERVAL || interval === SEVEN_DAYS_INTERVAL) {
+        return i18next.t('interval_days', { count: interval / DAY });
+    }
+
+    return i18next.t('interval_hours', { count: interval });
 };
 
 export type FormValues = {
diff --git a/client/src/components/Settings/LogsConfig/Form.tsx b/client/src/components/Settings/LogsConfig/Form.tsx
index 7238b7cc..2302db3e 100644
--- a/client/src/components/Settings/LogsConfig/Form.tsx
+++ b/client/src/components/Settings/LogsConfig/Form.tsx
@@ -4,16 +4,12 @@ import i18next from 'i18next';
 import { Controller, useForm } from 'react-hook-form';
 
 import { trimLinesAndRemoveEmpty } from '../../../helpers/helpers';
-import {
-    QUERY_LOG_INTERVALS_DAYS,
-    HOUR,
-    DAY,
-    RETENTION_CUSTOM,
-    RETENTION_RANGE,
-    CUSTOM_INTERVAL,
-} from '../../../helpers/constants';
+import { QUERY_LOG_INTERVALS_DAYS, HOUR, DAY, RETENTION_CUSTOM, RETENTION_RANGE } from '../../../helpers/constants';
 import '../FormButton.css';
 import { Checkbox } from '../../ui/Controls/Checkbox';
+import { Input } from '../../ui/Controls/Input';
+import { toNumber } from '../../../helpers/form';
+import { Textarea } from '../../ui/Controls/Textarea';
 
 const getIntervalTitle = (interval: number) => {
     switch (interval) {
@@ -48,7 +44,6 @@ export const Form = ({ initialValues, processing, processingReset, onSubmit, onR
     const { t } = useTranslation();
 
     const {
-        register,
         handleSubmit,
         watch,
         setValue,
@@ -135,17 +130,23 @@ export const Form = ({ initialValues, processing, processingReset, onSubmit, onR
                         <div className="form__group--input">
                             <div className="form__desc form__desc--top">{i18next.t('custom_rotation_input')}</div>
 
-                            <input
-                                type="number"
-                                className="form-control"
-                                name={CUSTOM_INTERVAL}
-                                min={RETENTION_RANGE.MIN}
-                                max={RETENTION_RANGE.MAX}
-                                disabled={processing}
-                                {...register('customInterval')}
-                                onChange={(e) => {
-                                    setValue('customInterval', parseInt(e.target.value, 10));
-                                }}
+                            <Controller
+                                name="customInterval"
+                                control={control}
+                                render={({ field, fieldState }) => (
+                                    <Input
+                                        {...field}
+                                        placeholder={t('encryption_certificates_input')}
+                                        disabled={processing}
+                                        error={fieldState.error?.message}
+                                        min={RETENTION_RANGE.MIN}
+                                        max={RETENTION_RANGE.MAX}
+                                        onChange={(e) => {
+                                            const { value } = e.target;
+                                            field.onChange(toNumber(value));
+                                        }}
+                                    />
+                                )}
                             />
                         </div>
                     )}
@@ -178,12 +179,19 @@ export const Form = ({ initialValues, processing, processingReset, onSubmit, onR
             </div>
 
             <div className="form__group form__group--settings">
-                <textarea
-                    className="form-control form-control--textarea font-monospace text-input"
-                    placeholder={i18next.t('ignore_domains')}
-                    disabled={processing}
-                    {...register('ignored')}
-                    onBlur={handleIgnoredBlur}
+                <Controller
+                    name="ignored"
+                    control={control}
+                    render={({ field, fieldState }) => (
+                        <Textarea
+                            {...field}
+                            placeholder={t('ignore_domains')}
+                            className="text-input"
+                            disabled={processing}
+                            error={fieldState.error?.message}
+                            onBlur={handleIgnoredBlur}
+                        />
+                    )}
                 />
             </div>
 
diff --git a/client/src/components/Settings/StatsConfig/Form.tsx b/client/src/components/Settings/StatsConfig/Form.tsx
index f4ffd2b2..3a677053 100644
--- a/client/src/components/Settings/StatsConfig/Form.tsx
+++ b/client/src/components/Settings/StatsConfig/Form.tsx
@@ -3,17 +3,14 @@ import { Trans, useTranslation } from 'react-i18next';
 import i18next from 'i18next';
 
 import { Controller, useForm } from 'react-hook-form';
-import {
-    STATS_INTERVALS_DAYS,
-    DAY,
-    RETENTION_CUSTOM,
-    CUSTOM_INTERVAL,
-    RETENTION_RANGE,
-} from '../../../helpers/constants';
+import { STATS_INTERVALS_DAYS, DAY, RETENTION_CUSTOM, RETENTION_RANGE } from '../../../helpers/constants';
 
 import { trimLinesAndRemoveEmpty } from '../../../helpers/helpers';
 import '../FormButton.css';
 import { Checkbox } from '../../ui/Controls/Checkbox';
+import { Input } from '../../ui/Controls/Input';
+import { toNumber } from '../../../helpers/form';
+import { Textarea } from '../../ui/Controls/Textarea';
 
 const getIntervalTitle = (interval: any) => {
     switch (interval) {
@@ -33,8 +30,15 @@ export type FormValues = {
     ignored: string;
 };
 
+const defaultFormValues = {
+    enabled: false,
+    interval: DAY,
+    customInterval: null,
+    ignored: '',
+};
+
 type Props = {
-    initialValues: Partial<FormValues>;
+    initialValues: FormValues;
     processing: boolean;
     processingReset: boolean;
     onSubmit: (values: FormValues) => void;
@@ -45,7 +49,6 @@ export const Form = ({ initialValues, processing, processingReset, onSubmit, onR
     const { t } = useTranslation();
 
     const {
-        register,
         handleSubmit,
         watch,
         setValue,
@@ -54,10 +57,8 @@ export const Form = ({ initialValues, processing, processingReset, onSubmit, onR
     } = useForm<FormValues>({
         mode: 'onChange',
         defaultValues: {
-            enabled: initialValues.enabled || false,
-            interval: initialValues.interval || DAY,
-            customInterval: initialValues.customInterval || null,
-            ignored: initialValues.ignored || '',
+            ...defaultFormValues,
+            ...initialValues,
         },
     });
 
@@ -120,43 +121,27 @@ export const Form = ({ initialValues, processing, processingReset, onSubmit, onR
                         <div className="form__group--input">
                             <div className="form__desc form__desc--top">{i18next.t('custom_retention_input')}</div>
 
-                            {/* <Field
-                                key={RETENTION_CUSTOM_INPUT}
-                                name={CUSTOM_INTERVAL}
-                                type="number"
-                                className="form-control"
-                                component={renderInputField}
-                                disabled={processing}
-                                normalize={toFloatNumber}
-                                min={RETENTION_RANGE.MIN}
-                                max={RETENTION_RANGE.MAX}
-                            /> */}
-
-                            <input
-                                name={CUSTOM_INTERVAL}
-                                type="number"
-                                className="form-control"
-                                min={RETENTION_RANGE.MIN}
-                                max={RETENTION_RANGE.MAX}
-                                disabled={processing}
-                                {...register('customInterval')}
-                                onChange={(e) => {
-                                    setValue('customInterval', parseInt(e.target.value, 10));
-                                }}
+                            <Controller
+                                name="customInterval"
+                                control={control}
+                                render={({ field, fieldState }) => (
+                                    <Input
+                                        {...field}
+                                        placeholder={t('encryption_certificates_input')}
+                                        disabled={processing}
+                                        error={fieldState.error?.message}
+                                        min={RETENTION_RANGE.MIN}
+                                        max={RETENTION_RANGE.MAX}
+                                        onChange={(e) => {
+                                            const { value } = e.target;
+                                            field.onChange(toNumber(value));
+                                        }}
+                                    />
+                                )}
                             />
                         </div>
                     )}
                     {STATS_INTERVALS_DAYS.map((interval) => (
-                        // <Field
-                        //     key={interval}
-                        //     name="interval"
-                        //     type="radio"
-                        //     component={renderRadioField}
-                        //     value={interval}
-                        //     placeholder={getIntervalTitle(interval, t)}
-                        //     normalize={toNumber}
-                        //     disabled={processing}
-                        // />
                         <label key={interval} className="custom-control custom-radio">
                             <input
                                 type="radio"
@@ -184,21 +169,19 @@ export const Form = ({ initialValues, processing, processingReset, onSubmit, onR
             </div>
 
             <div className="form__group form__group--settings">
-                {/* <Field
+                <Controller
                     name="ignored"
-                    type="textarea"
-                    className="form-control form-control--textarea font-monospace text-input"
-                    component={renderTextareaField}
-                    placeholder={t('ignore_domains')}
-                    disabled={processing}
-                    normalizeOnBlur={trimLinesAndRemoveEmpty}
-                /> */}
-                <textarea
-                    className="form-control form-control--textarea font-monospace text-input"
-                    placeholder={i18next.t('ignore_domains')}
-                    disabled={processing}
-                    {...register('ignored')}
-                    onBlur={handleIgnoredBlur}
+                    control={control}
+                    render={({ field, fieldState }) => (
+                        <Textarea
+                            {...field}
+                            placeholder={t('ignore_domains')}
+                            className="text-input"
+                            disabled={processing}
+                            error={fieldState.error?.message}
+                            onBlur={handleIgnoredBlur}
+                        />
+                    )}
                 />
             </div>
 
diff --git a/client/src/components/ui/Guide/MobileConfigForm.tsx b/client/src/components/ui/Guide/MobileConfigForm.tsx
index f26fc6f3..63fd6465 100644
--- a/client/src/components/ui/Guide/MobileConfigForm.tsx
+++ b/client/src/components/ui/Guide/MobileConfigForm.tsx
@@ -40,12 +40,6 @@ const getDownloadLink = (host: string, clientId: string, protocol: string, inval
     );
 };
 
-const githubLink = (
-    <a href={CLIENT_ID_LINK} target="_blank" rel="noopener noreferrer">
-        text
-    </a>
-);
-
 type FormValues = {
     host: string;
     clientId: string;
@@ -150,7 +144,10 @@ export const MobileConfigForm = ({ initialValues }: Props) => {
                     </label>
 
                     <div className="form__desc form__desc--top">
-                        <Trans components={{ a: githubLink }}>client_id_desc</Trans>
+                        <Trans
+                            components={{ a: <a href={CLIENT_ID_LINK} target="_blank" rel="noopener noreferrer" /> }}>
+                            client_id_desc
+                        </Trans>
                     </div>
 
                     <Controller