<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	xmlns:georss="http://www.georss.org/georss" xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#" xmlns:media="http://search.yahoo.com/mrss/"
	>

<channel>
	<title>[WISP]tik Guy &#187; iptables</title>
	<atom:link href="http://luciano.wordpress.com/category/iptables/feed/" rel="self" type="application/rss+xml" />
	<link>http://luciano.wordpress.com</link>
	<description>Mikrotik, Linux e até um pouquinho de Windows</description>
	<lastBuildDate>Mon, 30 Nov 2009 13:27:06 +0000</lastBuildDate>
	<generator>http://wordpress.com/</generator>
	<language>pt-br</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<cloud domain='luciano.wordpress.com' port='80' path='/?rsscloud=notify' registerProcedure='' protocol='http-post' />
<image>
		<url>http://www.gravatar.com/blavatar/73dd4ac22ba2c972dbe59be1e916ad4e?s=96&#038;d=http://s.wordpress.com/i/buttonw-com.png</url>
		<title>[WISP]tik Guy &#187; iptables</title>
		<link>http://luciano.wordpress.com</link>
	</image>
	<atom:link rel="search" type="application/opensearchdescription+xml" href="http://luciano.wordpress.com/osd.xml" title="[WISP]tik Guy" />
		<item>
		<title>Controle de conexões simultâneas (Mikrotik)</title>
		<link>http://luciano.wordpress.com/2007/08/30/controle-de-conexoes-simultaneas/</link>
		<comments>http://luciano.wordpress.com/2007/08/30/controle-de-conexoes-simultaneas/#comments</comments>
		<pubDate>Thu, 30 Aug 2007 11:58:20 +0000</pubDate>
		<dc:creator>Luciano Santos</dc:creator>
				<category><![CDATA[firewall]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[mikrotik]]></category>

		<guid isPermaLink="false">http://luciano.wordpress.com/2007/08/30/controle-de-conexoes-simultaneas/</guid>
		<description><![CDATA[Estava vendo os últimos posts no forum under-linux.org, e vi uma solução bem bacana postada pelo AirKing (Glauber Mattar).
Ele criou um script de controle de conexões simultâneas para o mikrotik.
Para implementar no seu mikrotik, basta copiar o conteúdo e executar no terminal.
Vejam abaixo a solução:
/ip firewall mangle
add chain=forward src-address=192.168.0.0/24 protocol=tcp dst-port=21 \
action=mark-packet new-packet-mark=semlimite passthrough=yes \
comment="Marcando Pacotes Sem Limite Conexao" disabled=no
add chain=forward src-address=192.168.0.0/24 protocol=tcp dst-port=22 \
action=mark-packet new-packet-mark=semlimite passthrough=yes comment="" \
disabled=no
add chain=forward src-address=192.168.0.0/24 protocol=tcp dst-port=23 \
action=mark-packet new-packet-mark=semlimite passthrough=yes [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luciano.wordpress.com&blog=34813&post=59&subd=luciano&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://luciano.wordpress.com/2007/08/30/controle-de-conexoes-simultaneas/feed/</wfw:commentRss>
		<slash:comments>8</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/44fd11c6beafed2f51f173b2d5245bb8?s=96&#38;d=&#38;r=G" medium="image">
			<media:title type="html">luciano</media:title>
		</media:content>
	</item>
		<item>
		<title>Como limitar um ataque de força bruta no Linux</title>
		<link>http://luciano.wordpress.com/2007/07/31/como-limitar-um-ataque-de-forca-bruta-no-linux/</link>
		<comments>http://luciano.wordpress.com/2007/07/31/como-limitar-um-ataque-de-forca-bruta-no-linux/#comments</comments>
		<pubDate>Tue, 31 Jul 2007 19:37:07 +0000</pubDate>
		<dc:creator>Luciano Santos</dc:creator>
				<category><![CDATA[firewall]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[segurança]]></category>

		<guid isPermaLink="false">http://luciano.wordpress.com/2007/07/31/como-limitar-um-ataque-de-forca-bruta-no-linux/</guid>
		<description><![CDATA[Hoje estava navegando na blogosfera e vi um artigo muito bacana, que chama a atenção para algo que acontece com freqüência e que muitos relapsos administradores de sistema acabam por deixar para lá por questões técnicas (preguiça), ataque de força bruta via ssh.
O que me chamou a atenção no artigo foram:

importância do assunto;
qualidade do artigo;
facilidade [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luciano.wordpress.com&blog=34813&post=40&subd=luciano&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://luciano.wordpress.com/2007/07/31/como-limitar-um-ataque-de-forca-bruta-no-linux/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/44fd11c6beafed2f51f173b2d5245bb8?s=96&#38;d=&#38;r=G" medium="image">
			<media:title type="html">luciano</media:title>
		</media:content>
	</item>
		<item>
		<title>Redirecionamento via iptables</title>
		<link>http://luciano.wordpress.com/2007/07/24/redirecionamento-via-iptables/</link>
		<comments>http://luciano.wordpress.com/2007/07/24/redirecionamento-via-iptables/#comments</comments>
		<pubDate>Tue, 24 Jul 2007 18:43:46 +0000</pubDate>
		<dc:creator>Luciano Santos</dc:creator>
				<category><![CDATA[iptables]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://luciano.wordpress.com/2007/07/24/redirecionamento-via-iptables/</guid>
		<description><![CDATA[Use o seguinte comando para redirecionar uma porta para outro IP:
iptables -t nat -A PREROUTING -d xxx.xxx.xxx.xxx -p tcp -m tcp --dport ZZ -j DNAT --to-destination yyy.yyy.yyy.yyy:zz

Estou redirecionando a porta ZZ do ip xxx.xxx.xxx.xxx para a porta zz do ip yyy.yyy.yyy.yyy.
Source:
Viva o Linux
Linux na rede
       <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luciano.wordpress.com&blog=34813&post=37&subd=luciano&ref=&feed=1" />]]></description>
		<wfw:commentRss>http://luciano.wordpress.com/2007/07/24/redirecionamento-via-iptables/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
		<media:content url="http://0.gravatar.com/avatar/44fd11c6beafed2f51f173b2d5245bb8?s=96&#38;d=&#38;r=G" medium="image">
			<media:title type="html">luciano</media:title>
		</media:content>
	</item>
	</channel>
</rss>