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Project website docs.freebsd.org/en
Translation license BSD 2-Clause "Simplified" License
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  • The translation uses bilingual files.
File mask documentation/content/*/articles/filtering-bridges/_index.po
Translation file Download documentation/content/pt/articles/filtering-bridges/_index.po
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Strings percent Hosted strings Words percent Hosted words Characters percent Hosted characters
Total 61 2,591 15,287
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Failing checks 0% 0 0% 0 0% 0
Strings with suggestions 0% 0 0% 0 0% 0
Untranslated strings 100% 61 100% 2,591 100% 15,287
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Documentation / articles/filtering-bridges/_index — Portuguese

Committed changes a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

61 new strings to translate appeared to the translation. a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

File documentation/content/pt/articles/filtering-bridges/_index.po was added. a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

A thanks goes out also to Tom Rhodes who looked over my job of translation from Italian (the original language of this article) into English.
 
a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

A big thanks to Luigi Rizzo for the implementation of the bridge code in FreeBSD and for the time he has dedicated to me answering all of my related questions.
 
a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

Many parts of this article have been taken, updated and adapted from an old text about bridging, edited by Nick Sayer. A pair of inspirations are due to an introduction on bridging by Steve Peterson.
 
a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

Contributors
 
a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

The only other thing that is a little weird that you may have noticed is that there is a rule to let the bridge machine speak, and another for internal hosts. Remember that this is because the two sets of traffic will take different paths through the kernel and into the packet filter. The inside net will go through the bridge, while the local machine will use the normal IP stack to speak. Thus the two rules to handle the different cases. The `in via fxp0` rules work for both paths. In general, if you use `in via` rules throughout the filter, you will need to make an exception for locally generated packets, because they did not come in via any of our interfaces.
 
a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

People that are used to setting up firewalls are probably also used to either having a `reset` or a `forward` rule for ident packets (TCP port 113). Unfortunately, this is not an applicable option with the bridge, so the best thing is to simply pass them to their destination. As long as that destination machine is not running an ident daemon, this is relatively harmless. The alternative is dropping connections on port 113, which creates some problems with services like IRC (the ident probe must timeout).
 
a year ago
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Documentation / articles/filtering-bridges/_index — Portuguese

There are two rules for passing SMTP and DNS traffic towards the mail server and the name server, if you have them. Obviously the whole rule set should be flavored to personal taste, this is only a specific example (rule format is described accurately in the man:ipfw[8] man page). Note that for "relay" and "ns" to work, name service lookups must work _before_ the bridge is enabled. This is an example of making sure that you set the IP on the correct network card. Alternatively it is possible to specify the IP address instead of the host name (required if the machine is IP-less).
 
a year ago
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