How to block a site so that it does not open?

, . - . , . , , .

DNS

DNS . DNS-. , , . - , , .

, . , , , .

".DNS"?

YandexDNS. , , . , dns.yandex.ru. :

• ;
• ;
• .

«» — . . «» . «» — DNS. IPv4. . Open DNS . . .

- DNS-. : . "" IP-. IP . "" IP, , . URL. .

. , "" . , , .

, , :

• ;
• "";
• " ";
• .

. . , "" , , .

? , . 7 . :

• Todobook;
• Strict Workflow;
• timeStats;
• Trackr;
• StayFocusd;
• Go Fucking Work.

Todobook "".

, . , , . . , . , , . , , .

Strict Workflow . Pomodoro. ? , . , Facebook YouTube. , . 25 , 5 Pomodoro. , .

StayFocusd . , . - , . , , . .

Go Fucking Work – . — . , . - .

Avast

.

Avast . :

• ;
• " ";
• , ;
• .

* URL.

"" . . , .

, . . , . , . .

Windows

? Windows . .

1. " " " ".
2. . — " ", "".
3. , .
4. , "".
5. " IP-" " IP-".
6. .

COMODO Firewall

? COMODO Firewall . , .

Firewall " " Firewall. , , , , . , . :

• Firewall;
• ;
• ;
• ;
• .

" ", . " " , . , , "OK".

-

, , ? . . , Firewall. , . .

- host. Windows , , /system32/driver/etc. . . , . host etc. , .

, . "" , vk.com www.vk.com. loopback-. 127.0.0.1. , - . . , . , , , .

. , -, , , host .