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  1. Maverick (10.10)
  2. Template “ubuntu-docs-serverguide”
  3. Brazilian Portuguese (pt_BR)
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1311 → 1320 of 3717 results First • • • Last
1311.
The purpose of IP Masquerading is to allow machines with private, non-routable IP addresses on your network to access the Internet through the machine doing the masquerading. Traffic from your private network destined for the Internet must be manipulated for replies to be routable back to the machine that made the request. To do this, the kernel must modify the <emphasis>source</emphasis> IP address of each packet so that replies will be routed back to it, rather than to the private IP address that made the request, which is impossible over the Internet. Linux uses <emphasis>Connection Tracking</emphasis> (conntrack) to keep track of which connections belong to which machines and reroute each return packet accordingly. Traffic leaving your private network is thus "masqueraded" as having originated from your Ubuntu gateway machine. This process is referred to in Microsoft documentation as Internet Connection Sharing.
O propósito da Máscara de IP é permitir máquinas com IP privado, endereço não-roteável em sua rede para acessar a Internet por meio da máquina "mascarada". O tráfico destinado de sua rede privada para a Internet deve ser manipulado para obter respostas da máquina que fez a petição, como em uma rota invertida. Para fazer isto, o kernel deve modificar o endereço IP da <emphasis>fonte</emphasis> de cada pacote e retornar respostas a ele, antes que o endereço privado IP faço o pedido de resposta, que é impossível através da Internet. O Linux usa <emphasis>Connection Tracking</emphasis> (conntrack) para acompanhar que conexões pertence a que máquinas e desviar cada pacote de retorno correspondente. O tráfico originado em sua rede privada é assim "mascarado" como tendo originado de seu gateway Ubuntu. Este processo possui referência na documentação da Microsoft como Conexão de Internet Compartilha.
Translated and reviewed by Alex Rocha
Located in serverguide/C/security.xml:597(para)
1312.
ufw Masquerading
ufw Masquerading
Translated and reviewed by André Gondim
Located in serverguide/C/security.xml:613(title)
1313.
IP Masquerading can be achieved using custom <application>ufw</application> rules. This is possible because the current back-end for <application>ufw</application> is <application>iptables-restore</application> with the rules files located in <filename>/etc/ufw/*.rules</filename>. These files are a great place to add legacy iptables rules used without <application>ufw</application>, and rules that are more network gateway or bridge related.
Mascaramento de IP pode ser obtido utilizando regras de <application>ufw</application> customizadas. Isto é possível devido ao back-end atual para o <application>ufw</application> ser <application>iptables-restore</application> com os arquivos de regras localizados em <filename>/etc/ufw/*.rules</filename>. Estes arquivos são um ótimo lugar para adicionar regras legadas do iptables utilizadas sem o <application>ufw</application>, e regras que são mais relacionadas com redes gateway ou bridge.
Translated and reviewed by Laudeci Oliveira
Located in serverguide/C/security.xml:614(para)
1314.
The rules are split into two different files, rules that should be executed before <application>ufw</application> command line rules, and rules that are executed after <application>ufw</application> command line rules.
As regras são divididas em dois arquivos diferentes, regras que devem ser executadas antes das regras de linha de comando do <application>ufw</application> e regras que devem ser executadas após a linha de comando do <application>ufw</application>.
Translated and reviewed by Laudeci Oliveira
Located in serverguide/C/security.xml:620(para)
1315.
First, packet forwarding needs to be enabled in <application>ufw</application>. Two configuration files will need to be adjusted, in <filename>/etc/default/ufw</filename> change the <emphasis>DEFAULT_FORWARD_POLICY</emphasis> to <quote>ACCEPT</quote>:
Primeiramente, o repasse de pacotes (packet forwarding) precisa estar habilitado no <application>ufw</application>. Dois arquivos de configuração precisão ser ajustados, em <filename>/etc/default/ufw</filename> altere o <emphasis>DEFAULT_FORWARD_POLICY</emphasis> para <quote>ACCEPT</quote>:
Translated and reviewed by Laudeci Oliveira
Located in serverguide/C/security.xml:626(para)
1316.

DEFAULT_FORWARD_POLICY="ACCEPT"
There are line breaks here. Each one represents a line break. Start a new line in the equivalent position in the translation.

DEFAULT_FORWARD_POLICY="ACCEPT"
Translated and reviewed by André Gondim
Located in serverguide/C/security.xml:630(programlisting)
1317.
Then edit <filename>/etc/ufw/sysctl.conf</filename> and uncomment:
Então edite <filename>/etc/ufw/sysctl.conf</filename> e remova o comentário:
Translated and reviewed by Laudeci Oliveira
Located in serverguide/C/security.xml:633(para)
1318.

net/ipv4/ip_forward=1
There are line breaks here. Each one represents a line break. Start a new line in the equivalent position in the translation.

net/ipv4/ip_forward=1
Translated by André Gondim
Located in serverguide/C/security.xml:636(programlisting)
1319.
Similarly, for IPv6 forwarding uncomment:
Semelhantimente, para IPv6 adiantar não comentados
Translated by Julio Neto
Reviewed by André Gondim
Located in serverguide/C/security.xml:639(para)
1320.

net/ipv6/conf/default/forwarding=1
There are line breaks here. Each one represents a line break. Start a new line in the equivalent position in the translation.

net/ipv6/conf/default/forwarding=1
Translated by André Gondim
Located in serverguide/C/security.xml:642(programlisting)
1311 → 1320 of 3717 results First • • • Last

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Contributors to this translation: ASF, Alex Rocha, Alexandro Silva, Allan Carvalho, Andersen Pecorone, Anderson Blaine, Andre Noel, André Gondim, André Marra, Antônio Ayres (LedStyle), Arthur Rodrigues, Augusto Cezar Amaral, Auro Florentino, Bruno Morais, Celio Ricardo Quaio Goetten, Daniel Neis, Daniel de Souza Telles, Duda Nogueira, Eberval Oliveira Castro, Fabio Maximiano, Felipe Bernardo Zorzo, Filipe Rosset, Fábio Nogueira, Gilberto "Kowalsky" Martins, Guilherme Gonçalves, Guilherme Nolasco, Gustavo Grasso, Joao Lopes, José Ramon B., Julio Neto, Kemel Zaidan aka Legendario, Laudeci Oliveira, Leandro, Leandro Gomes da Silva, Leonardo Bergamo, Leonardo Bernardes, Lucas Arruda, Lucien Rocha Lucien, Lucius Curado, Madson Coelho, Marcelo Lotif, Marcelo R. Minholi, Marcelo Subtil Marcal, Marcio José Atanásio, Marcus Lima, Mario A. C. Silva (Exp4nsion), MarlonChalegre, Mauricio Volkweis Astiazara, MauricioEiji, Milton Bender Jr., Mário Meyer, Norgeon, Og Maciel, Pedro Senna, Petrus Henrique Gonçalves Freire, Rafael Pezzi, Rafael Proença, Rafael Sachetto, Rafael Sfair, Rafael de Andrade Sousa, Removed by request, Ricardo Cropalato de Melo, Richard R Manzke, Rodrigo Henrique, Rogênio Belém, Rosinaldo Araújo Lima, Sebastião Luiz Guerra, Tarciso Amorim, ThiagoSerra, Tiago Hillebrandt, Tiago Vieira, Tomé, Tonismar, Ursula Junque, Virgilio Tenreira Afonso Junior, Wanderson Santiago dos Reis, Welington R. Braga, Welliton Sá, Yuri Malheiros, Yves Junqueira, billpessoni, luiz.mineo, megazordfinal, paulomaia, programad, rics, victor nascimento de almeida, woiski.