ufw: add pt_BR translation; */ufw: highlight iptables command (#10793)

* ufw : add pt_BR translation

* ufw: highlight iptables command

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

---------

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages.ca/linux/ufw.md

@@ -1,7 +1,7 @@
 # ufw
 
 > Tallafocs sense complicacions (_Uncomplicated Firewall_).
-> Interfície d'usuari de iptables per facilitar la configuració d'un firewall.
+> Interfície d'usuari de `iptables` per facilitar la configuració d'un firewall.
 > Més informació: <https://wiki.ubuntu.com/UncomplicatedFirewall>.
 
 - Activa ufw:

pages.es/linux/ufw.md

@@ -1,7 +1,7 @@
 # ufw
 
 > Cortafuegos sin complicaciones (_Uncomplicated Firewall_).
-> Interfaz de usuario de iptables para facilitar la configuración de un firewall.
+> Interfaz de usuario de `iptables` para facilitar la configuración de un firewall.
 > Más información: <https://wiki.ubuntu.com/UncomplicatedFirewall>.
 
 - Activa ufw:

pages.it/linux/ufw.md

@@ -1,7 +1,7 @@
 # ufw
 
 > ufw (Uncomplicated Firewall) - Firewall Semplice.
-> Frontend per iptables per semplificare la configurazione di un firewall.
+> Frontend per `iptables` per semplificare la configurazione di un firewall.
 > Maggiori informazioni: <https://wiki.ubuntu.com/UncomplicatedFirewall>.
 
 - Accendi ufw:

pages.pt_BR/linux/ufw.md

@@ -0,0 +1,37 @@
+# ufw
+
+> Firewall Descomplicado.
+> Frontend para `iptables` com o objetivo de facilitar a configuração de um firewall.
+> Mais informações: <https://wiki.ubuntu.com/UncomplicatedFirewall>.
+
+- Habilitar ufw:
+
+`ufw enable`
+
+- Desabilitar ufw:
+
+`ufw disable`
+
+- Mostrar regras ufw, juntamente com seus números:
+
+`ufw status numbered`
+
+- Permitir tráfego de entrada na porta 5432 nesse host com um que identifique o serviço:
+
+`ufw allow {{5432}} comment "{{Service}}"`
+
+- Permitir apenas tráfego TCP de 192.168.0.4 pra qualquer endereço deste host, na porta 22 :
+
+`ufw allow proto {{tcp}} from {{192.168.0.4}} to {{any}} port {{22}}`
+
+- Negar tráfego na porta 80 desse host :
+
+`ufw deny {{80}}`
+
+- Negar todo o tráfego UDP para portas no intervalo 8412:8500:
+
+`ufw deny proto {{udp}} from {{any}} to {{any}} port {{8412:8500}}`
+
+- Deletar uma regra particular. O número da regra pode ser recuperado com o `ufw status numbered` comando:
+
+`ufw delete {{rule_number}}`

pages.ta/linux/ufw.md

@@ -1,7 +1,7 @@
 # ufw
 
 > சிக்கலற்ற ஃபயர்வால்.
-> ஃபயர்வாலின் உள்ளமைவை எளிதாக்குவதை நோக்கமாகக் கொண்ட ஐப்டேபிள்களுக்கான முன்பக்கம்.
+> ஃபயர்வாலின் உள்ளமைவை எளிதாக்குவதை நோக்கமாகக் கொண்ட `iptables` முன்பக்கம்.
 > மேலும் விவரத்திற்கு: <https://wiki.ubuntu.com/UncomplicatedFirewall>.
 
 - `ufw` ஐ இயக்கு:

pages/linux/ufw.md

@@ -1,7 +1,7 @@
 # ufw
 
 > Uncomplicated Firewall.
-> Frontend for iptables aiming to make configuration of a firewall easier.
+> Frontend for `iptables` aiming to make configuration of a firewall easier.
 > More information: <https://wiki.ubuntu.com/UncomplicatedFirewall>.
 
 - Enable ufw: