Marka aad kombayutarkaga ku xidho interneedka, arjiyadu waxay soo diraan oo ay helaan macluumaadka xidhiidhka shabakada Caadi ahaan, waa inaadan waxba ka walwalin iswaydaarsiga xogtan maadaama looga baahan yahay abka iyo shaqaynta nidaamka qaarkood inay si sax ah u shaqeeyaan. Shabakadaha dadweynaha ama kuwa aan la hubin, si kastaba ha ahaatee, waxaad u baahan tahay inaad taxaddar dheeraad ah sameyso.

Hal dariiqo oo aad ku ilaalin karto shabakadaha dadweynaha (tusaale Wi-Fi ee huteelada, gegida dayuuradaha, iyo makhaayadaha) waa in la xidho isku xidhka qalabkaaga. Taasi waxay ka ilaalin doontaa tuugada iyo aaladaha kale ee xaasidnimada leh ee shabakada inay galaangal u yeeshaan kombayutarkaaga.

Taa beddelkeeda, xannibaadda isku xidhka baxaya waxay kaa caawin kartaa ka hortagga abkaaga inay ku xidhmaan shabakad internet oo aan badbaado lahayn. Waa hab wax ku ool ah oo lagu joojin karo abka/malware-ga shakiga leh ee ka soo degsada malware-ka dheeraadka ah ama la xidhiidhka serverkiisa.

Jooji isku xirka^{(Block Incoming Connection)} soo gala Windows 10

Waxaad xaddidi kartaa isku xirka soo socda adiga oo wax ka beddelaya Windows 10 Dejinta Firewall^{(tweaking the Windows 10 Firewall settings)} . Waa kan sida loo sameeyo 

1. Ku qor kontoroolka^{(control panel)} goobta raadinta Windows^{(Windows Search)} oo dooro Control Panel natiijada.

2. Dooro Daafaca Windows Firewall^{(Windows Defender Firewall)} .

Fiiro gaar ah:^(Note:) Haddii aadan ka helin ikhtiyaarka Difaaca Windows Defender Firewall^{(Windows Defender Firewall)} ee kombuyuutarkaaga kontoroolka^{(Control Panel)} , u deji View by option ee geeska kore ee midig mid ka mid ah calaamadaha waaweyn ama calaamadaha yaryar oo mar kale hubi.

On the Windows Defender Firewall menu, waa in aad aragto profile profile: Private ama Public/Guest networks .

3. Dooro Beddel habka ogeysiiska^{(Change notification settings)} ee dhinaca bidixda.

4. Qaybta "Shabakadda Shabakadda Dadweynaha", calaamadee sanduuqa akhriya " xannibi^(Block) dhammaan xidhiidhada soo galaya, oo ay ku jiraan kuwa ku jira liiska codsiyada la oggol yahay." Dooro OK si aad u kaydiso isbedelada

Haddii aadan si buuxda ugu kalsoonayn badbaadada shabakadahaaga gaarka ah, waxa kale oo aad xannibi kartaa xidhiidhada soo galaya ee shabakadaha nooca "Private Network settings" qaybta.

Talo Pro:^{(Pro Tip:)} Si aad u bedesho astaanta Wi-Fi ama xidhiidhka Ethernet , aad Settings > Network & Internet > Wi-Fi ama Ethernet . Dooro magaca shabakada oo cadee inay tahay shabakad gaar ah ama mid dadweyne qaybta profile Network^{(Network profile)} .

Jooji Xidhiidhada^{(Block Outgoing Connections)} ka baxaya Windows 10^{(Windows 10)}

Waxaa jira laba siyaabood oo lagu joojin karo isku xirka socda Windows 10 . Hoos ka eeg iyaga.

Habka 1: Jooji Xidhiidhada ka baxaya Dhammaan Apps-ka^{(Method 1: Block Outgoing Connections for All Apps)}

Waxaad si fudud u xaddidi kartaa xidhiidhada baxaya dhammaan abka adiga oo wax ka beddelaya goobaha amniga horumarsan ee Firewall Windows . ^{(Windows Firewall)}Gudaha menu-ka Difaaca Windows Firewall^{(Windows Defender Firewall)} , ka dooro Settings Advanced^{(Advanced settings)} on dhinaca bidix.

Midig ku dhufo " Daacadaha Windows Firewall^{(Windows Defender Firewall)} oo leh Badbaadada Sare ee^{(Advanced Security)} Kombuyuutarka Maxaliga ah" oo dooro Guryaha^(Properties) .

Tag bogga Profile-ka Dadweynaha^{(Public Profile)} haddii aad ku xidhan tahay shabakad dadweyne, ama tabka Profile-ka gaarka ah^{(Private Profile)} haddii aad rabto inaad xannibto xidhiidhada ka baxaya shabakad gaar ah. Kumbuyuutarrada ku biiray domain^{(computers joined to a domain)} , bogga Domain Profile tab waa meesha laga joojiyo isku xirka socda.

Guji^(Click) isku xirka Outbound ee hoos u dhaca oo dooro Block . Dooro Codso^(Apply) ka dibna OK si aad u badbaadiso isbeddellada.

Habka 2: Jooji Xiriirada baxaya ee Barnaamij Gaar ah^{(Method 2: Block Outgoing Connections for a Specific Program)}

U sheeg^(Say) inaad rabto inaad xannibto xidhiidhada baxaya biraawsarkaaga mareegaha kaliya, Windows wuxuu kuu ogolaanayaa inaad taas si hufan u sameyso. Tani waxay sidoo kale u adeegi kartaa sida qalab gacanta waalidka^{(parental control tool)} si looga hortago kids aad ka helaan internetka.

In the Firewall Advanced Security menu, door oo midig-guji Xeerarka^{(Outbound Rules)} ka baxsan . Ka dooro Xeer Cusub^{(New Rule)} liiska macnaha guud si aad u sii wadato.

Dooro Program oo dooro Next .

Dooro Browse si aad u doorato codsiga.

Tag Local Disk (C:) > Program Files (x86) si aad u hesho codsiyada ku rakiban kombayutarkaga. Isticmaal sanduuqa raadinta si aad u heshid app aan ku jirin galka Files Program^{(Program Files)} . Dooro faylka la fulin karo codsiga ( .exe ) oo dooro Fur^(Open) .

Dooro Xiga^(Next) si aad u sii wadato. Kadib dooro Xidhiidhka Jooji^{(Block the connection)} oo guji Next .

Sheeg astaanta shabakada (shabakadaha) ee aad rabto in Windows ay xannibto xidhiidhka ka baxaya abka. Dooro Xiga^(Next) si aad u sii wadato.

Sii sharciga ka baxsan magac ama sharaxaad oo dooro dhame^(Finish) .

Si aad isaga ilaaliso xidhiidhada baxaya ee abka, laba jeer ku dhufo sharciga ka bixida ee ku jira liiska Amniga Sare ee Firewall^{(Firewall Advanced Security)} . Dooro Allow xidhiidhka^{(Allow the connection)} , ka dibna dooro Codso^(Apply) oo OK .

Haddii kale, waxaad xaq u guji kartaa qaanuunka oo dooro Delete or Disable Rule . Ikhtiyaaradan ayaa sidoo kale siin doona abka in uu bilaabo xidhiidhada baxaya.

Jooji Xidhiidhada soo gala Mac

Xakamaynta xidhiidhada soo galaya ee Mac sidoo kale waa toos. Hoos ka akhri tillaabooyinka. 

1. Tag Dookhyada Nidaamka^{(System Preferences)} > Amniga & Qarsoonaanta^{(Security & Privacy)} .

2. In tab Firewall , dooro sumadda qufulka ee geeska hoose-bidix.

Geli eraygaaga sirta ah ee Mac ama isticmaal Touch ID si aad u gasho liiska dookhyada amniga.

3. Dooro Firewall Options si aad u sii wadato.

4. Si aad u xannibto isku xirka nidaamka-ballaaran (soo galaya) ee dhammaan abka iyo adeegyada, calamee Block dhammaan xiriirada soo galaya^{(Block all incoming connections)} sanduuqa oo dooro OK .

Mac -gaagu waxa uu ahaan doonaa mid la arki karo aaladaha kale iyo shabakadaha marka aad xannibto dhammaan xidhiidhada soo galaya. Si kastaba ha ahaatee, ma jiro qalab ama shakhsi dhisi kara xiriir la leh Mac kaaga . 

Ogsoonow in tani ay sidoo kale keeni doonto adeegyada wadaagga faylalka (tusaale AirDrop ) iyo aaladaha gelitaanka fog^{(remote access tools)} (tusaale wadaagista Shaashada ) si ku meel gaar ah lama heli karo.^(Screen)

5. Si aad u xannibto xidhidhka soo galaya ee software-ku-ku-jira oo kaliya, ka saar si toos ah u oggolow software-ku-ku-jirta inuu helo xidhiidhyada soo socda^{(Automatically allow built-in software to receive incoming connections)} .

6. Haddii aad rabto inaad xannibto xidhiidhada soo galaya app ama adeeg gaar ah, dhagsii calaamadda plus (+) icon .

7. Dooro app (yada) oo dooro Add .

Talo Pro:^{(Pro Tip:)} Si aad u dooratid apps badan, hay Command oo guji apps.

8. Guji fallaadhaha kor iyo hoos ee ku xiga app(yada) oo dooro Xidhiidhada soo galaya Block^{(Block incoming connections)} .

Jooji Xidhiidhada ka baxaya Mac

macOS waxaa ka maqan qalab asal ah ama hab ku dhisan oo lagu joojiyo isku xirka socda. Waxaa jira habab ay ku lug leeyihiin xannibaadda cinwaanka IP-ga ee mareegaha ama magaca domain, laakiin ma ahan mid toos ah. Sidoo kale^(Likewise) , habka waxa kaliya oo loo isticmaali karaa in lagu xannibo xidhiidhada baxaya ee shabakadaha, ma codsiyada. Raac tillaabooyinka hoose si aad isku daydo.

1. Fur daaqada Finder, tag Applications > Utilities oo fur Terminal app-ka.

2. Ku dheji amarka hoose ee Terminal console oo tabo Soo noqo^(Return) .

sudo cp /private/etc/hosts ~/Documents/hosts-backup

Amarkani wuxuu abuuri doonaa kaydka faylkaaga Mac ee Hosts galka Documents ( Finder > Documents ). Faylka Hosts -ku waa faylka nidaamka muhiimka ah ee loo isticmaalo macOS si uu u waafajiyo magacyada domainka iyo ciwaanadooda IP-ga.

3. Geli furahaaga Mac oo tabo soo noqo^(Return) .

4. Ku dheji amarka soo socda ee Terminal oo tabo Soo noqo^(Return) .

sudo nano /private/etc/hosts

Tani waxay ku siinaysaa ogolaansho maamul si aad wax uga bedesho faylka Hosts Geli furahaaga Mac oo tabo Soo noqo^(Return) si aad u sii wadato.

5. Ku qor 127.0.0.1 , taabo badhanka tab ee kiiboodhkaga, oo geli URL-ka mareegaha^{(URL of the website)} aad doonayso inaad xannibto. Haddii aad rabto inaad xannibto YouTube , tusaale ahaan, ku qor 127.0.0.1 , taabo Tab , oo ku qor www.youtube.com .

6. Riix Control + O oo tabo soo noqo^(Return) kiiboodhkaaga.

7. Ka dib, taabo Control + X .

8. Ugu dambeyntii, ku qor ama ku dheji dscacheutil -flushcache^{(dscacheutil -flushcache)} oo riix Soo noqo^(Return) .

Fur browser kaaga oo booqo mareegaha aad xidhay Barowsarkaaga waa inuu muujiyaa fariin khalad ah oo sheegaya inuusan ku xidhmi karin server-ka mareegaha.

Ka saar Xidhiidhada ka baxaya Mac

Ma dafici kartid xidhiidhka ka baxaya abka adiga oo gelaya qaar ka mid ah summada Terminalka^(Terminal) ama amarada. Waxaad u baahan doontaa inaad soo celiso faylka Hosts ee kaydka ah ee aad abuurtay markaad xannibayso xidhiidhka abka. Raac tillaabooyinka hoose si aad u sameyso

1. Tag Finder > Dukumentiyada^(Documents) , laba-guji faylka kaydka martida loo yahay , oo koobi ka samee waxa ku jira.^{(hosts-backup)}

2. On your Mac desktop, dooro Go on menu bar oo dooro Go to Folder .

3. Ku dheji dariiqa hoose ee sanduuqa wada hadalka oo dooro Go .

/private/etc/hosts

4. U jiid faylka martida^(hosts) loo yahay miiska.

5. Laba jeer ku dhufo faylka desktop-ka, tirtir waxa ku jira, oo ku beddel waxa ku jira faylka kaydinta martida^{(hosts-backup)} (Tallaabada 1 ee sare).

Xidh daaqada TextEditor oo ku soo celi faylka martida loo yahay /private/etc/ folder.

6. Dooro Beddel^(Replace) isla markiiba ka soo baxa shaashadda. Waxa kale oo laga yaabaa inaad u baahato inaad geliso eraygaaga sirta ah ee Mac ama aad ku xaqiijiso Aqoonsiga Touch^{(Touch ID)} .

Booqo shabakada internetka ee browserkaaga oo xaqiiji in aan la xidhin.

Isticmaal Apps-ka Kooxda Saddexaad

Maareynta xidhiidhada ka baxaya macOS waa mid aad u daal badan. Waxa xiisaha lihi leh, waxa jira barnaamijyo dhinac saddexaad ah sida Little Snitch iyo Radio Silence oo fududeeya hawsha. Barnaamijyadani maaha kuwo bilaash ah, laakiin waxay bixiyaan habab tijaabo ah oo deeqsinimo leh oo kuu ogolaanaya inaad isticmaasho lacag la'aan muddo cayiman. Little Snitch (laga bilaabo $ 48.99) waxay leedahay qaab demo leh xaddidaad 3-saac ah fadhi kasta halka Aamusnaanta Raadiyaha^{(Radio Silence)} ($ 9) ay bixiso 30-maalmood tijaabo bilaash ah. 

Waanu tijaabinay labada abka waxayna si fiican u xidheen xidhidhka baxaya. Aamusnaanta Raadiyaha^{(Radio Silence)} waa ikhtiyaarka wax ku oolka leh laakiin Little Snitch waa sifooyin ka buuxan iyo astaamo horumarsan sida qaabka aamusnaanta, qaabka feejignaanta, khariidadda shabakada, iyo in ka badan.

How to Block Remote Connections to a Windows or Mac Computer

When you connect your PC to the internet, applications send and recеive information through the network connection. Typically, you should have nothing to worry about this data exchange as it’s rеquired for some аpps and system functionalities to work correctly. On public or unsecured networks, however, yоu need to exercise extra caution.

One way to stay safe on public networks (e.g. Wi-Fi at hotels, airports, and restaurants) is to block incoming connections on your device. That’ll keep out hackers and other malicious tools on the network from gaining access to your computer.

Conversely, blocking outgoing connections can help prevent your apps from connecting to an unsafe internet network. It’s an effective way to stop a suspicious app/malware from downloading additional malware or communicating with its server.

Block Incoming Connection on Windows 10

You can restrict incoming connections by tweaking the Windows 10 Firewall settings. Here’s how to get it done. 

1. Type control panel in the Windows Search bar and select Control Panel on the result.

2. Select Windows Defender Firewall.

Note: If you don’t find the Windows Defender Firewall option on your PC’s Control Panel, set the View by option at the top-right corner to either Large icons or Small icons and check again.

On the Windows Defender Firewall menu, you should see your connection profile: Private or Public/Guest networks.

3. Select Change notification settings on the left sidebar.

4. In the “Public network settings” section, check the box that reads “Block all incoming connections, including those in the list of allowed applications.” Select OK to save the changes.

If you don’t fully trust the safety of your private network(s), you can also block incoming connections for such networks in the “Private network settings” section.

Pro Tip: To change the profile of Wi-Fi or Ethernet connection, go to Settings > Network & Internet > Wi-Fi or Ethernet. Select the network name and specify if it’s a private or public network in the Network profile section.

Block Outgoing Connections on Windows 10

There are two ways to stop outgoing connections on Windows 10. Check them out below.

Method 1: Block Outgoing Connections for All Apps

You can easily restrict outgoing connections for all apps by modifying the Windows Firewall advanced security settings. In the Windows Defender Firewall menu, select Advanced settings on the left sidebar.

Right-click “Windows Defender Firewall with Advanced Security on Local Computer” and select Properties.

Go to the Public Profile tab if you’re connected to a public network, or the Private Profile tab if you want to block outgoing connections for a private network. For computers joined to a domain, the Domain Profile tab is the place to block outgoing connections.

Click the Outbound connections drop-down option and select Block. Select Apply and then OK to save the changes.

Method 2: Block Outgoing Connections for a Specific Program

Say you want to block outgoing connections for your web browser only, Windows lets you do that efficiently. This can also serve as a parental control tool to prevent your kids from accessing the internet.

In the Firewall Advanced Security menu, select and right-click Outbound Rules. Select New Rule on the context menu to proceed.

Select Program and select Next.

Select Browse to choose the application.

Go to Local Disk (C:) > Program Files (x86) to find applications installed on your PC. Use the search box to locate an app that isn’t in the Program Files folder. Select the application’s executable file (.exe) and select Open.

Select Next to proceed. Afterward, select Block the connection and click Next.

Specify the network profile(s) for which you want Windows to block the app’s outgoing connection. Select Next to proceed.

Give the outbound rule a name or a description and select Finish.

To unblock outgoing connections for the app, double-click on the outbound rule in the Firewall Advanced Security menu. Select Allow the connection, then select Apply and OK.

Alternatively, you could right-click on the rule and select Delete or Disable Rule. These options will also grant the app access to initiate outgoing connections.

Block Incoming Connections on Mac

Restricting incoming connections on Mac is also straightforward. Read the steps below. 

1. Go to System Preferences > Security & Privacy.

2. In the Firewall tab, select the lock icon at the bottom-left corner.

Enter your Mac’s password or use Touch ID to access the security preferences menu.

3. Select Firewall Options to proceed.

4. To block system-wide (incoming) connections for all apps and services, check the Block all incoming connections box and select OK.

Your Mac will remain visible to other devices and networks when you block all incoming connections. However, no device or individual can establish a connection with your Mac. 

Note that this will also render file-sharing services (e.g. AirDrop) and remote access tools (e.g. Screen Sharing) temporarily unavailable.

5. To block incoming connections for built-in software only, uncheck the Automatically allow built-in software to receive incoming connections.

6. If you wish to block incoming connections for a specific app or service, click the plus (+) icon.

7. Select the app(s) and select Add.

Pro Tip: To select multiple apps, hold Command and click the apps.

8. Click the up and down arrows next to the app(s) and select Block incoming connections.

Block Outgoing Connections on Mac

macOS lacks a native tool or built-in method to block outgoing connections. There’s a workaround that involves blocking a website’s IP address or domain name, but it isn’t straightforward. Likewise, the method can only be used to block outgoing connections to websites, not applications. Follow the steps below to try it out.

1. Launch a Finder window, go to Applications > Utilities and open the Terminal app.

2. Paste the command below in the Terminal console and press Return.

sudo cp /private/etc/hosts ~/Documents/hosts-backup

This command will create a backup of your Mac’s Hosts file in the Documents folder (Finder > Documents). The Hosts file is an important system file used by macOS to match domain names with their respective IP addresses.

3. Enter your Mac’s password and press Return.

4. Paste this next command in Terminal and press Return.

sudo nano /private/etc/hosts

This grants you administrative permission to modify the Hosts file. Enter your Mac’s password and press Return to proceed.

5. Type 127.0.0.1, press the Tab button on your keyboard, and enter the URL of the website you want to block. If you want to block YouTube, for example, type 127.0.0.1, press Tab, and type www.youtube.com.

6. Press Control + O and press Return on your keyboard.

7. Afterward, press Control + X.

8. Finally, type or paste dscacheutil -flushcache and press Return.

Launch your browser and visit the website you blocked. Your browser should display an error message saying it cannot connect to the website’s server.

Unblock Outgoing Connections on Mac

You can’t unblock an app’s outgoing connection by entering some Terminal codes or commands. You’ll need to restore the backup Hosts file you created while blocking the app’s connection. Follow the steps below to get it done.

1. Go to Finder > Documents, double-click the hosts-backup file, and copy its content.

2. On your Mac’s desktop, select Go on the menu bar and select Go to Folder.

3. Paste the path below in the dialog box and select Go.

/private/etc/hosts

4. Drag the hosts file to the desktop.

5. Double-click the file on the desktop, delete its content, and replace it with the content of the hosts-backup file (in Step 1 above).

Close the TextEditor window and drag the host file back to the /private/etc/ folder.

6. Select Replace on the prompt that comes up on the screen. You may also need to enter your Mac’s password or authenticate via Touch ID.

Visit the website on your browser and verify that it’s no longer blocked.

Use Third-Party Apps

Managing outgoing connections on macOS is quite exhausting. Interestingly, there are third-party apps like Little Snitch and Radio Silence that simplify the task. These apps aren’t free, but they offer generous trial modes that let you use them without payment for a specific period. Little Snitch (from $ 48.99) has a demo mode with a 3-hour limitation per session while Radio Silence ($9) offers a 30-day free trial. 

We tested both apps and they blocked outgoing connections perfectly. Radio Silence is the cost-effective option but Little Snitch is feature-packed and sports advanced features like silent mode, alert mode, network map, and more.

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