You can use the Lulu open-source macOS firewall that aims to block unknown outgoing connections, unless explicitly approved by the user. Whilst it has a GUI, the set of blocked applications can be controlled via the command line by modifying the config file /Library/Objective-See/LuLu/rules.plist as explained in the Lulu webpage (near the bottom).
Try these steps first
Make sure that iCloud Contacts, Calendars, and Reminders are available. If there's an issue, try again after it's fixed. If there isn't an issue, try these steps.
Remember to back up your contacts, calendars, and reminders, so you don't lose anything.
Important: Upgraded reminders aren't compatible with earlier versions of iOS or macOS. Shared reminders are also not accessible to users with earlier versions of iOS and macOS, until they upgrade.
After each step, see if you still need help:
Check for updates to your iPhone, iPad, iPod touch, Mac, or PC. To use iCloud, your devices need to meet the system requirements.
See if the date and time settings on your iPhone, iPad, iPod touch, Mac, or PC are correct.
Make sure that you're signed in to iCloud with the same Apple ID on all your devices and check your settings.
On your iPhone, tap Settings > [your name] > iCloud. Check your Apple ID and make sure that you turn on what you want to update (Contacts, Calendars, or Reminders).
On your Mac, choose Apple menu > System Preferences, click Apple ID, then click iCloud. If you’re using macOS Mojave or earlier, choose Apple menu > System Preferences, then click iCloud. Check your Apple ID and make sure that you select what you want to update (Contacts, Calendars, or Reminders).
On your PC, open iCloud for Windows. Check your Apple ID and make sure that you select what you want to update (Mail, Contacts, Calendars, and Tasks).
If you sign in to third-party apps with your Apple ID, protect your account with two-factor authentication and use an app-specific password. If you don’t have devices that can be updated to iOS 9 or OS X El Capitan or later, you can set up two-step verification instead.
Open Safari and go to www.apple.com to check your connection. If you can’t open the page, get help connecting to the Internet.
Open a secure website, like your Apple ID account page, to see if you can access port 443. If the website won't open, contact your Internet service provider for help. Safari needs access to port 443 to update your information in iCloud.
Keep your data within the limits. If you go over the limit, your data won't stay up to date.
If you still need help, try the steps for your device below.
Try the steps for your device
iOS 13 and iPadOS
After each step, check your contacts, calendars, or reminders.
Refresh your contacts and calendars
To refresh your contacts, open Contacts and swipe down on the list.
To refresh your contact groups:
Open the Contacts app.
Tap Groups in the upper-left corner.
Swipe down on the list to refresh your groups.
To refresh your calendars:
Open the Calendar app.
Tap the Calendars tab.
Swipe down on the list to refresh your events.
Set iCloud Contacts, Calendars, or Reminders as your default
If your contacts, calendars, and reminders are in iCloud, then iCloud automatically updates your information. See if your information is in iCloud or a third-party account, like Google or Yahoo. Then change your default account to iCloud. Changing your default account to iCloud will not move your existing information from a third-party service to iCloud.
To see which account your contacts are in:
Open the Contacts app and tap Groups in the upper-left corner.
Deselect the All [account] option for any third-party account, like Gmail or Yahoo.
Make sure All iCloud is selected.
Tap Done to see your list of contacts. If you don't see the contact you're looking for, it's stored in another account.
If you have a copy of your contacts from a third-party service in vCard format version 3.0 or later, you can import the contacts into iCloud.
Set iCloud as the default account for your contacts in iOS 8 or later:
Apple Footer.This site contains user submitted content, comments and opinions and is for informational purposes only. And nothing happens. Which allows me to enter my e-mail and passwords just fine.
But when it asks what apps i want to use with the account, i select mail and click done. Then the Done button is grayed out but it hasn't been added.any help?
Tap Settings, then Contacts.
Tap Default Account.
Select iCloud.
To see which account your calendars are in, open the Calendar app, then tap the Calendars tab.
Set an iCloud calendar as the default calendar:
Tap Settings, then Calendar.
Tap Default Calendar.
Tap a calendar under iCloud to make it your default.
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Set an iCloud reminders list as the default list:
Tap Settings, then Reminders.
Tap Default List.
Tap a list under iCloud to make it your default.
Check your app settings
Make sure your iCloud Contacts and Calendars are set to appear in the Contacts or Calendars app:
Open the Contacts app and tap Groups in the upper-left corner. Make sure that All iCloud is selected.
Open the Calendar app and tap the Calendars tab. Make sure that all iCloud calendars are selected.
Make sure your Reminders appear:
Tap Settings, then [your name].
Tap iCloud.
Slide to turn on Reminders.
Change how often your calendars update:
Tap Settings, then Calendar.
Tap Sync.
If All Events is selected, choose a specific timeframe instead, like Events 1 Month Back. If a specific timeframe is selected, choose All Events instead.
Return to your Home screen.
Wait a few minutes, then open the Calendar app. Tap the Calendars tab, and swipe down to refresh.
Since the iCloud Birthdays calendar updates daily, you might not see changes to birthdays in the Calendars app until the next day.
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Restart the Contacts, Calendar, or Reminders app
Close the app.
Return to your Home screen.
Wait a minute, then open the app again.
Turn off iCloud Contacts, Calendar, or Reminders and turn it back on
Tap Settings, [your name], then iCloud.
Slide to turn off Contacts, Calendars, and Reminders.*
If you see your calendars or reminders on iCloud.com or any of your devices, you can choose Delete from My [device]. If not, choose Keep on My [device].
Wait a few minutes, then turn on Contacts, Calendar, or Reminders again.
* Local reminders will be deleted from your device, but your information won't be deleted from iCloud. Once you turn Reminders back on, your reminders will be re-synced to your device.
Restart your iPhone, iPad, or iPod touch
Restart your device. Here's how to restart your iPhone, iPad, or iPod touch.
iOS 12
After each step, check your contacts, calendars, or reminders.
Refresh your contacts, calendars, and reminders
To refresh your calendars and reminders:
Open the Calendar app.
Tap the Calendars tab.
Swipe down on the list to refresh your events and reminders.
To refresh your contacts, open Contacts and swipe down on the list.
To refresh your contact groups:
Open the Contacts app.
Tap Groups in the upper-left corner.
Swipe down on the list to refresh your groups.
Set iCloud Contacts, Calendars, or Reminders as your default
If your contacts, calendars, and reminders are in iCloud, then iCloud automatically updates your information. See if your information is in iCloud or a third-party account, like Google or Yahoo. Then change your default account to iCloud.
See which account your contacts are in:
Open the Contacts app and tap Groups in the upper-left corner.
Deselect the All [account] option for any third-party account, like Gmail or Yahoo.
Make sure All iCloud is selected.
Tap Done to see your list of contacts. If you don't see the contact you're looking for, it's stored in another account.
You can import the contact from a third-party service into iCloud.
Set iCloud as the default account for your contacts in iOS 8 or later:
Tap Settings > Contacts.
Tap Default Account.
Select iCloud.
See which account your calendars are in:
Open the Calendar app.
Tap an event to open it.
Tap the calendar name to see if the event is in an iCloud calendar.
Set an iCloud calendar as the default calendar:
Tap Settings > Calendar.
Tap Default Calendar.
Tap a calendar under iCloud to make it your default.
See which account your reminders are in:
Open the Reminders app.
Tap the list name in the upper-left corner to view all your lists.
See if the list is stored on your device or iCloud. Open a list and tap Edit. If you see Sharing, then your list is in iCloud.
When you create a reminder, you can choose to store it in iCloud or on your iOS device.
Check your app settings
Make sure that your iCloud Contacts and Calendars are set to appear in the Contacts or Calendars app:
Open the Contacts app and tap Groups in the upper-left corner. Make sure that All iCloud is selected.
Open the Calendar app and tap the Calendars tab. Make sure that All iCloud is selected.
Change how often your calendars and reminders update:
Tap Settings > Calendar, or tap Settings > Reminders.
Tap Sync.
If All Events or All Reminders is selected, choose a specific timeframe instead, like Events or Reminders 1 Month Back. If a specific timeframe is selected, choose All Events or All Reminders instead.
Press the Home button.
Wait a few minutes. Open the Calendar app, tap the Calendars tab, and swipe down to refresh.
Since the iCloud Birthdays calendar updates daily, you might not see changes to birthdays in the Calendars app until the next day.
Restart the Contacts, Calendar, or Reminders app
Double-click the Home button to see your open apps.
Find the app, then swipe up to close it.
Press the Home button to return to your Home screen.
Wait a minute, then open the app again.
Turn off iCloud Contacts, Calendar, or Reminders and turn it back on
Tap Settings > [your name] > iCloud.
Slide to turn off Contacts, Calendars, and Reminders.*
If you see your calendars or reminders on iCloud.com or any of your devices, you can choose Delete from My [device]. If not, choose Keep on My [device].
Wait a few minutes, then turn on Contacts, Calendar, or Reminders again.
* Local reminders will be deleted from your device, but your information won't be deleted from iCloud. Once you turn Reminders back on, your reminders will be re-synced to your device.
Restart your iPhone, iPad, or iPod touch
Restart your device. Here's how to restart your iPhone, iPad, or iPod touch.
Force sync Calendar data on Apple Watch
To force sync Calendar data on your Apple Watch:
Open the Watch app on your iPhone and tap the My Watch tab.
Tap General, then tap Reset.
Tap Reset Sync Data.
Mac
After each step, check your contacts, calendars, or reminders.
Refresh your calendars and reminders
You can refresh your calendars and reminders from the Calendars app:
Open the Calendar app.
Choose View.
Refresh Calendars.
Since the iCloud Birthdays calendar updates hourly, you might not see changes to birthdays in the Contacts or Calendars app for an hour.
Check your default Calendar, Reminders, and Contacts account
If you store and edit your events in iCloud instead of another place, like On My Mac, Exchange, or Google, then iCloud automatically updates your calendars. If you use multiple accounts on your Mac like iCloud, Gmail, and Yahoo, make sure that iCloud is your default Calendar account:
Open the Calendar app.
Choose Calendar > Preferences.
On the General tab, make sure that one of your iCloud calendars is the default.
After you set up iCloud Reminders, you might need to quit and reopen Reminders on your Mac. Then make sure that you set up your account correctly in Reminders:
Open the Reminders app.
Choose Reminders > Accounts.
Click the iCloud tab and make sure that you're signed in with your Apple ID.
If you store and edit your contacts in iCloud instead of another place, like On My Mac, Exchange, or Google, then iCloud automatically updates your contacts. If you use multiple accounts on your Mac like iCloud, Gmail, and Yahoo, make sure that iCloud is your default Contacts account:
Open the Contacts app.
Choose Contacts > Accounts.
Click the iCloud tab and make sure that you're signed in with your Apple ID.
Turn off iCloud Calendar and iCloud Reminders, then turn it back on
Quit the Calendar and Reminders apps.
Choose Apple menu > System Preferences, click Apple ID, then click iCloud. If you’re using macOS Mojave or earlier, choose Apple menu > System Preferences, then click iCloud.
Deselect Calendars and Reminders.*
Close System Preferences and wait about a minute.
Choose Apple menu > System Preferences, click Apple ID, then click iCloud. If you’re using macOS Mojave or earlier, choose Apple menu > System Preferences, then click iCloud.
Select Calendars and Reminders.
Open Calendar and Reminders.
* Local reminders will be deleted from your device, but your information won't be deleted from iCloud. Once you turn Reminders back on, your reminders will be re-synced to your device.
Restart your computer
After you restart your computer, see if you fixed the issue.
iCloud.com
If you don't see all your updates or have another issue, try these steps on iCloud.com:
Update your browser and clear the cache.
If you don't see updates from other devices, open another app on iCloud.com, like Mail. Then go back to the Contacts, Calendar, or Reminders app.
Sign out of iCloud.com, then sign back in.
Clear your browsing history. Choose History > Clear History.
Since the iCloud Birthdays calendar updates daily, you might not see changes to birthdays in the Calendars app until the next day.
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If you get a spam iCloud Calendar request
If you get a calendar request that you think might be spam or junk, let us know. Sign in to iCloud.com with your Apple ID and go to the Calendar app. Open the event that you wish to mark as Junk, click Report Junk, then click OK. We'll automatically delete the event from your Calendar on all your devices signed in with the same Apple ID.
You can also go to the invitation from your iPhone, iPad, iPod touch, or Mac and choose Report Junk > Delete and Report Junk.
Microsoft Windows
After each step, check your contacts, calendars, or reminders.
Reminders are called Tasks in iCloud for Windows.
Refresh Outlook
Turn off iCloud Contacts, Calendar, and Tasks, then turn it back on
Open iCloud for Windows.
Deselect Mail, Contacts, Calendars and Tasks, then click Apply.
Wait a few seconds, select Mail, Contacts, Calendars & Tasks, then click Apply.
Open Outlook.
Make sure the iCloud Outlook Add-in is active
In Outlook 2010 and later:
Click the File menu.
Click Options in the left panel.
Click Add-Ins in the left panel of the Outlook Options window.
Look at the list of add-ins in the Active Application Add-Ins section.
Select the iCloud Outlook Add-in.
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In Outlook 2007:
From the Tools menu, select Trust Center.
Select Add-ins from the left column.
In the list of add-ins in the Active Application Add-Ins section, select the iCloud Outlook Add-in.
Learn how to manage Add-ins with Microsoft Outlook.
Check your default account in Outlook
In Outlook 2010 and later, select File > Info > Account Settings > Data Files. If iCloud is the default account in the Comments column, select a different account, and click Set as Default.
In Outlook 2007, select File > Data File Management > Data Files. If iCloud is the default account in the Comments column, select a different account, and click Set as Default.
Restart your computer
After you restart your computer, see if you fixed the issue.
If you still need help
If you still need help, contact Apple Support. You can also use these steps to remove duplicate contacts or calendars.
Article Outline:
Why do parents need to use porn blocking apps?
It has become more evident than ever to block porn on your kid's smartphone. Without any restriction, your kids can watch explicit content on their smart devices like tablets or phones. Ideally, your kids should not have access to porn until they become an adult. It has been proved that if kids watch porn at an early age, then it can affect their thinking, behavior, and psychological development.
10 Best Porn Blocking Apps of 2020
To avoid this, you can use porn blockers. These apps can restrict their access to any indecent or inappropriate website. Most of these apps also have an automatic content filter that will make sure your kids would only access age-appropriate content. You can enable these filters and even manually block certain websites (or apps) that you find inappropriate.
1. FamiSafe Porn Blocker App
FamiSafe Porn Blocker App is certainly the best porn blocking app that you can use. Since it is extremely user-friendly, you won't face any trouble learning how to block porn apps or adult sites on your kid's phone or detect explicit text messages or porn images. The app is compatible with every leading Android and iOS device as well.
You can remotely block any porn app or adult website on the target device.
It also provides an automatic porn website filtering feature and browser history monitoring.
There is an easy solution to allow certain websites, add exceptions, and block them anytime you want.
It also has an advanced explicit porn text messages detection on main social media apps.
It can track porn images on kids' phone galleries and send alerts to parents on time.
A Reliable and Handy Parental Control App
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Web Filtering
Location Tracking & Geo-fencing
App Blocker & App Activity Report
Screen Time Limit & Schedule
Explicit Content & Suspicious Photos Detection
2. Norton Parental Control
The next spot on our list is from the house of Norton. The parental control tool has a dedicated feature to block all kinds of content that would be inappropriate for your kids.
It has an automatic content filtering feature
It can also filter content with respect to the age of your kid.
Comes with other parental control features too
Supports Android and iOS
3. Safe Surfer Porn Blocker Android App
If your kids use an Android phone, then you can use this app for blocking porn websites. The only drawback is that your kids can bypass this filter by uninstalling the app.
It supports all kinds of entertainment apps and all the leading browsers like Safari, Chrome, Opera, etc.
You can manually enter the websites you wish to block
Free with in-app purchases
Supports Android 5.0+
4. OurPact Porn Blocking
OurPact is a user-friendly app that brings the entire family together. Besides accessing its scheduling features, you can also use it to block porn as well.
You can filter the content related to your kid's age
It can help you control how much time your kids spend on their phones.
Automatic web filtering feature
Works on leading Android and iOS devices
5. Kidslox Porn Blocking app
With this user-friendly app, it would be quite easy to learn how to block porn on any smartphone remotely.
You can remotely block any porn website on the target device
Advanced content filtering
Your kids can't uninstall the app
Supports cross-platform integration (Android, iOS, Windows, and Mac)
6. xBlock Porn Blocker
This is one of the most widely used porn blocking apps for iOS devices. After making a one-time purchase of $14.99, you can start using it to block porn and inappropriate content.
It has an inbuilt list of hundreds of pornographic websites.
Password protection is integrated
Compatible with all the major browsers
Works on iOS 10 and later versions
7. Spin Safe Browser
Spin is a safe browser that can actively be used for blocking porn. It supports all the major search engines and has an advanced algorithm for automatic content filtering.
Support safe browsing on leading search engines
Dynamic content filtering is provided
Available for free
Supports Android and iOS devices
Easy to bypass restrictions by uninstalling the app
8. SecureTeen Parental Control
If you have a teenager in the house, then you should certainly consider using this porn blocking app. Besides smartphones, you can apply restrictions on computers too.
Content filtering algorithm to block violent and pornographic content
You can also block any app remotely
View their browsing history and internet activity
Works on iOS, Android, and Windows
9. Porn Block Plus
Out of all the iOS apps available for blocking porn, this one is highly recommended. Freely available, it can set automatic porn filters.
Can block porn websites on Safari and other browsers
The app is solely dedicated for blocking porn
Freely available (basic version)
Works on iOS 9.0 and later versions
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10. Anti Porn App
The app certainly lives up to its name. It is available for leading Android devices and will let you filter inappropriate websites on the go.
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Simply enable or disable the porn blocking shield with a tap.