Vatrozid je softver ili hardver koji provjerava informacije koje dolaze s interneta^(Internet) ili mreže, a zatim ih blokira ili dopušta da prođu do vašeg računala, ovisno o postavkama vatrozida. Vatrozid može spriječiti hakere ili zlonamjerni softver da dobiju pristup vašem Windows 11/10/8/7 računalu putem mreže ili interneta^(Internet) . Vatrozid također može pomoći spriječiti vaše računalo u slanju zlonamjernog softvera na druga računala.

Konfigurirajte Windows vatrozid

Većinu postavki vašeg Windows vatrozida^{(Windows Firewall)} možete prilagoditi kroz lijevo okno appleta Vatrozida na ^(Firewall)upravljačkoj ploči^{(Control Panel)} .

1. Uključite Windows vatrozid

Ova je postavka odabrana prema zadanim postavkama. Kada je Windows vatrozid^{(Windows Firewall)} uključen, većina programa blokira komunikaciju putem vatrozida. Klikom na Uključi ili isključi vatrozid^{(Turn Firewall On or Off)} omogućit će vam da omogućite ili onemogućite Windows vatrozid^{(Windows Firewall)} na vašem računalu.

2. Blokirajte^(Block) sve dolazne veze vatrozida, uključujući one na popisu dopuštenih programa

Ova postavka blokira sve neželjene pokušaje povezivanja s vašim računalom. Koristite ovu postavku kada trebate maksimalnu zaštitu za svoje računalo, kao što je kada se povezujete na javnu mrežu u hotelu ili zračnoj luci ili kada se računalni crv širi internetom^(Internet) . S ovom postavkom nećete biti obaviješteni kada vatrozid sustava Windows^{(Windows Firewall)} blokira programe, a programi na popisu dopuštenih programa se zanemaruju. Kada blokirate sve dolazne veze, i dalje možete pregledavati većinu web stranica, slati i primati e-poštu te slati i primati trenutne poruke.

3. Isključite Windows vatrozid

Izbjegavajte^(Avoid) korištenje ove postavke osim ako na računalu nemate drugi vatrozid. Isključivanje Windows vatrozida^{(Windows Firewall)} može učiniti vaše računalo osjetljivijim na štetu od hakera i zlonamjernog softvera. Klikom na Uključi ili isključi vatrozid^{(Turn Firewall On or Off)} omogućit će vam da omogućite ili onemogućite Windows vatrozid^{(Windows Firewall)} na vašem računalu.

4.   Blokirajte^(Block) ili dopustite programe^{(Allow Programs)} putem Windows vatrozida^{(Windows Firewall)}

Prema zadanim postavkama, većina programa je blokirana vatrozidom sustava Windows^{(Windows Firewall)} kako bi vaše računalo bilo sigurnije. Za ispravan rad, neki programi mogu zahtijevati da im dopustite komunikaciju kroz vatrozid. Evo kako to učiniti:

Kliknite Dopusti aplikaciju ili značajku putem Windows vatrozida^{(Allow an app or feature through Windows Firewall)} . Ako se od vas zatraži administratorska lozinka ili potvrdu, upišite lozinku ili dajte potvrdu.

Označite potvrdni okvir pored programa koji želite dopustiti, odaberite vrste mrežnih lokacija na kojima želite dopustiti komunikaciju, a zatim kliknite U redu.

Ako želite dopustiti programu da komunicira putem vatrozida, možete ga dodati na popis dopuštenih programa. Na primjer, možda nećete moći slati fotografije u instant poruci dok ne dodate program za razmjenu trenutnih poruka na popis dopuštenih programa. Da biste dodali ili uklonili program na popis, kliknite na vezu  Dopusti aplikaciju ili značajku putem Windows vatrozida^{(Allow an app or feature through Windows Firewall)} da biste otvorili sljedeću ploču na kojoj ćete moći dobiti više pojedinosti o dopuštenim programima i dopustiti drugoj aplikaciji da komunicira putem vatrozida.

Pročitajte: ^(Read:) Vatrozid za Windows blokirao je neke značajke ove aplikacije .

5. Kako otvoriti port u Windows vatrozidu^{(Windows Firewall)}

Također možete blokirati ili otvoriti port u vatrozidu sustava Windows^{(block or open a Port in Windows Firewall)} . Ako vatrozid sustava Windows^{(Windows Firewall)} blokira program i želite dopustiti tom programu da komunicira putem vatrozida, to obično možete učiniti odabirom programa na popisu dopuštenih programa (koji se naziva i popisom izuzetaka) u vatrozidu sustava Windows^{(Windows Firewall)} . Da biste saznali kako to učiniti, pogledajte Dopuštanje programu da komunicira putem Windows vatrozida^{(Windows Firewall)} .

Međutim, ako program nije na popisu, možda ćete morati otvoriti port. Na primjer, da biste igrali igricu za više igrača s prijateljima na mreži, možda ćete morati otvoriti port za igru ​​kako bi vatrozid omogućio da informacije o igri dođu do vašeg računala. Port ostaje otvoren cijelo vrijeme, stoga obavezno zatvorite portove koji vam više nisu potrebni.

Kliknite^(Click) za otvaranje Windows vatrozida^{(Windows Firewall)} . U lijevom oknu kliknite Napredne postavke^{( Advanced settings)} .

U dijaloškom okviru Windows vatrozid^{(Windows Firewall)} s naprednom sigurnošću^{(Advanced Security)} u lijevom oknu kliknite Ulazna pravila^{(Inbound Rules)} , a zatim u desnom oknu kliknite Novo pravilo^{(New Rule)} .

Zatim slijedite upute na zaslonu do njegovog logičnog završetka.

Upravljajte Windows vatrozidom

Windows 10 omogućuje vam pristup naprednim postavkama, uključujući konfiguraciju filtriranja za izlazne veze, putem svoje upravljačke ploče^{(Control Panel)} . Windows vam daje tri izbora -

• javna mreža,
• Kućna mreža
• Radna mreža.

Prema zadanim postavkama, vatrozid sustava Windows 10/8/7 blokira veze s programima koji nisu na popisu dopuštenih programa. Sa svim vrstama mreže, sada vam omogućuje da konfigurirate postavke za svaku vrstu mreže zasebno. To je ono što se naziva višestrukim aktivnim profilima vatrozida^{(Multiple Active Firewall Profiles)} .

Većina bi jednostavno radije postavila Windows vatrozid na zadanu vrijednost i zaboravila na to. Zadane postavke su dovoljno dobre. Oni koji ga žele fino podesiti mogu upravljati Windows vatrozidom na sljedeće načine:

1) Aplikacija Windows Firewall Control Panel .

Ovo je najjednostavniji i dovoljno dobar za rutinske zadatke.

Najjednostavniji je — i najmanje sposoban. Ali s njom možete dovršiti rutinske zadatke, kao što je dopuštanje programa kroz njega ili blokiranje svih dolaznih veza. Ova Technet veza istinita pomoći će vam da započnete.

2) Vatrozid za Windows – Napredna sigurnost^{(Windows Firewall – Advanced Security)} .

Ovo je uskočna i unaprijed definirana konzola za Microsoftovu upravljačku konzolu^{(Microsoft Management Console)} nudi mnogo detaljniju kontrolu nad pravilima, iznimkama i profilima. Možete mu pristupiti i putem aplikacije Control panel.

3) Uslužni program Netsh

Uslužni program Netsh^{(Netsh utility)(The Netsh utility)} , posebno njegov Firewall i Advfirewall kontekst, omogućuje vam postavljanje postavki vatrozida iz prozora  naredbenog retka ili paketnog programa.^{(Command Prompt)}

Pročitajte^(Read) : Kako dopustiti pingove (ICMP eho zahtjeve) putem Windows vatrozida^{(allow Pings (ICMP Echo requests) through Windows Firewall)} .

4) Uređivač objekata grupne politike

Ovo uključuje dodatak Windows vatrozida^{(Windows Firewall)} s naprednom sigurnošću^{(Advanced Security)} pod:

Computer Configuration\Windows Settings\ Security Settings\Windows Firewall With Advanced Security.

Osim toga, Windows vatrozidom^{(Windows Firewall)} može se upravljati s brojnim pravilima koja se mogu pronaći u:

Computer Configuration \ Administrative Templates \ Network \ Network Connections \ Windows Firewall.

Usput, gotovo ukupno 0f preko 3000 postavki može se konfigurirati putem uređivača grupnih pravila^{(Group Policy Editor)} (gpedit.msc). Međutim, sigurnosna pravila grupe^{(Group Security Policy)} nisu uključena u Windows Home Edition .

Također možete testirati svoj vatrozid^(Firewall) koristeći ove besplatne online testove vatrozida .

Ovi besplatni softveri pomoći će vam da bolje upravljate Windows vatrozidom^{(These freeware will help you manage the Windows Firewall better)} :

1. Kontrola vatrozida za Windows
2. Obavijest o vatrozidu za Windows
3. Upravljajte Windows vatrozidom .

Pogledajte ovaj post ako ikada trebate popraviti Windows vatrozid .

How to configure Windows Firewall in Windows 11/10

A firewall is a softwarе оr hardware that checks information coming from the Internеt or a network, and then either blocks it or allows it to pass through to your computer, depending on your firewall settings. A firewall cаn helр prevent hackers or malicious software from gainіng access to your Windows 11/10/8/7 computer through a network or the Іnternet. A firewall can also help stop your сomputer from sending malicious software to other computers.

Configure Windows Firewall

You can customize most settings of your Windows Firewall through the left pane of the Firewall applet in Control Panel.

1. Turn on Windows Firewall

This setting is selected by default. When Windows Firewall is On, most programs are blocked from communicating through the firewall. Clicking on the Turn Firewall On or Off will let you enable or disable the Windows Firewall on your computer.

2. Block all incoming firewall connections, including those in the list of allowed programs

This setting blocks all unsolicited attempts to connect to your computer. Use this setting when you need maximum protection for your computer, such as when you connect to a public network in a hotel or airport, or when a computer worm is spreading over the Internet. With this setting, you are not notified when Windows Firewall blocks programs, and programs in the list of allowed programs are ignored. When you block all incoming connections, you can still view most web pages, send and receive an e-mail, and send and receive instant messages.

3. Turn off Windows Firewall

Avoid using this setting unless you have another firewall running on your computer. Turning off Windows Firewall might make your computer more vulnerable to damage from hackers and malicious software. Clicking on the Turn Firewall On or Off will let you enable or disable the Windows Firewall on your computer.

4.  Block or Allow Programs through the Windows Firewall

By default, most programs are blocked by Windows Firewall to help make your computer more secure. To work properly, some programs might require you to allow them to communicate through the firewall. Here’s how to do that:

Click Allow an app or feature through Windows Firewall.  If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

Select the check box next to the program you want to allow, select the network location types you want to allow communication on, and then click OK.

If you want to allow a program to communicate through the firewall, you can add it to the list of allowed programs. For example, you might not be able to send photos in an instant message until you add the instant messaging program to the list of allowed programs. To add or remove a program to the list, click on the Allow an app or feature through Windows Firewall link to open the following panel, where you will be able to get more details about allowed programs and allow another app to communicate through the firewall.

Read: Windows Firewall has blocked some features of this app.

5. How to open a port in Windows Firewall

You can also block or open a Port in Windows Firewall. If Windows Firewall is blocking a program and you want to allow that program to communicate through the firewall, you can usually do that by selecting the program in the list of allowed programs (also called the exceptions list) in the Windows Firewall. To learn how to do this, see Allow a program to communicate through Windows Firewall.

However, if the program isn’t listed, you might need to open a port. For example, to play a multiplayer game with friends online, you might need to open a port for the game so that the firewall allows the game information to reach your computer. A port stays open all the time, so be sure to close ports that you don’t need anymore.

Click to open Windows Firewall. In the left pane, click Advanced settings.

In the Windows Firewall with Advanced Security dialog box, in the left pane, click Inbound Rules, and then, in the right pane, click New Rule.

Next, follow the instructions on your screen to its logical conclusion.

Manage Windows Firewall

Windows 10 allows you to access the advanced settings, including the configuration of filtering for outbound connections, through its Control Panel. Windows gives you three choices-

• Public network,
• Home network
• Work network.

By default the Windows 10/8/7 firewall blocks connections to programs that are not on the list of allowed programs. With all network types, it now allows you to configure the settings for each network type separately. This is what is referred to as Multiple Active Firewall Profiles.

Most would just prefer to have the Windows firewall set to its default and forget about it. The default settings are good enough. Those who want to fine-tune it can manage the Windows firewall in the following ways:

1) Windows Firewall Control Panel application.

This is the simplest one and good enough for routine tasks.

It is the simplest—and the least capable. But with it, you can complete routine tasks, such as allowing a program through it or blocking all incoming connections. This Technet link true will help you get started.

2) Windows Firewall – Advanced Security.

This one is a snap-in and predefined console for Microsoft Management Console offers much more granular control over rules, exceptions, and profiles. You can access it through the Control panel app too.

3) The Netsh utility

The Netsh utility, in particular its Firewall and Advfirewall context, lets you make firewall settings from a Command Prompt window or a batch program. 

Read: How to allow Pings (ICMP Echo requests) through Windows Firewall.

4) Group Policy Object Editor

This incorporates the Windows Firewall With Advanced Security snap-in under:

Computer Configuration\Windows Settings\ Security Settings\Windows Firewall With Advanced Security.

In addition, Windows Firewall can be managed with a number of policies, which can be found in:

Computer Configuration \ Administrative Templates \ Network \ Network Connections \ Windows Firewall.

Incidentally, nearly a total 0f over 3000 settings can be configured through Group Policy Editor (gpedit.msc). However, Group Security Policy is not included in Windows Home Edition.

You can also test your Firewall using these free online Firewall tests.

These freeware will help you manage the Windows Firewall better:

1. Windows Firewall Control
2. Windows Firewall Notifier
3. Manage Windows Firewall.

See this post if you ever need to repair the Windows firewall.

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