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	<title>Learn to a [simple] LiFe &#187; firewall</title>
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	<link>http://blog.hafidz.web.id</link>
	<description>Gado-gado blog: ngga semua ada disini ;)</description>
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		<title>Persistent Firewall di Ubuntu</title>
		<link>http://blog.hafidz.web.id/2009/04/23/persistent-firewall-di-ubuntu/</link>
		<comments>http://blog.hafidz.web.id/2009/04/23/persistent-firewall-di-ubuntu/#comments</comments>
		<pubDate>Thu, 23 Apr 2009 04:06:51 +0000</pubDate>
		<dc:creator>hafidz</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[server]]></category>
		<category><![CDATA[teknologia]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[iptables]]></category>
		<category><![CDATA[ubuntu]]></category>

		<guid isPermaLink="false">http://blog.hafidz.web.id/2009/04/23/persistent-firewall-di-ubuntu/</guid>
		<description><![CDATA[Sekedar catatan pribadi, biar gak lupa-lupa lagi. Berikut langkahnya bikin persistent firewall di Ubuntu. Biar auto restore gitu waktu reboot. Yang dimaksud firewall disini adalah iptables dan yang dimaksud ubuntu ya… ubuntu linux. Dalam tulisan ini ada 2 alternatif cara yang pengin saya catet! A. Auto restore dari file konfigurasi network 1—Pertama, buat dulu rule [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>CISCO PIX Firewall dan ESMTP</title>
		<link>http://blog.hafidz.web.id/2008/04/30/cisco-pix-firewall-dan-esmtp/</link>
		<comments>http://blog.hafidz.web.id/2008/04/30/cisco-pix-firewall-dan-esmtp/#comments</comments>
		<pubDate>Wed, 30 Apr 2008 10:19:43 +0000</pubDate>
		<dc:creator>hafidz</dc:creator>
				<category><![CDATA[Cisco]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[server]]></category>
		<category><![CDATA[teknologia]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[link]]></category>
		<category><![CDATA[mail]]></category>
		<category><![CDATA[pix]]></category>

		<guid isPermaLink="false">http://blog.hafidz.web.id/2008/04/30/cisco-pix-firewall-dan-esmtp/</guid>
		<description><![CDATA[Jika Mail Server terinstal di belakang PIX Firewall, berarti ada &#8216;hal kecil&#8217; berikut yang perlu diperhatikan. SMTP Fixup protocol pada PIX akan memblock ESMTP. PIX akan memfilter EHLO command dari client. Kemudian client menggunakan HELO yang tidak bisa melakukan autentikasi. Hal ini akan menyebabkan protokol seperti STARTTLS dan AUTH LOGIN nggak bisa jalan dibelakang PIX. [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Port dan Protocol yang digunakan YM</title>
		<link>http://blog.hafidz.web.id/2008/04/29/port-dan-protocol-yang-digunakan-ym/</link>
		<comments>http://blog.hafidz.web.id/2008/04/29/port-dan-protocol-yang-digunakan-ym/#comments</comments>
		<pubDate>Tue, 29 Apr 2008 09:16:10 +0000</pubDate>
		<dc:creator>hafidz</dc:creator>
				<category><![CDATA[Cisco]]></category>
		<category><![CDATA[internet]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[teknologia]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[proxy]]></category>
		<category><![CDATA[wordpress]]></category>

		<guid isPermaLink="false">http://blog.hafidz.web.id/2008/04/29/port-dan-protocol-yang-digunakan-ym/</guid>
		<description><![CDATA[Catatan Port dan Protocol yang digunakan Y!M. Terutama yang perlu diperhatiin fitur webcam, file transfer dan sharing, serta voice chat. Pernah diambil dari blognya mas bayu. Protocol: TCP or HTTP Servers: scs.msg.yahoo.com scsa.msg.yahoo.com scsb.msg.yahoo.com scsc.msg.yahoo.com Port: 20,23,25,80,119,5050,8001,8002 Webcam Connection: Protocol: TCP Server: webcam.yahoo.com Port: 5100 File Transfer Connection: Protocol: HTTP Server: filetransfer.msg.yahoo.com Port: 80 File [...]]]></description>
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		<slash:comments>11</slash:comments>
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		<item>
		<title>Biar PIX mau ngelewatin Paket ICMP</title>
		<link>http://blog.hafidz.web.id/2007/04/24/biar-pix-mau-ngelewatin-paket-icmp/</link>
		<comments>http://blog.hafidz.web.id/2007/04/24/biar-pix-mau-ngelewatin-paket-icmp/#comments</comments>
		<pubDate>Tue, 24 Apr 2007 04:52:36 +0000</pubDate>
		<dc:creator>hafidz</dc:creator>
				<category><![CDATA[Cisco]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[teknologia]]></category>
		<category><![CDATA[firewall]]></category>
		<category><![CDATA[pix]]></category>

		<guid isPermaLink="false">http://blog.hafidz.web.id/2007/04/24/biar-pix-mau-ngelewatin-paket-icmp/</guid>
		<description><![CDATA[Kenapa sih? Inbound ICMP yang lewat PIX otomatis akan di-deny. Outbond ICMP diperbolehkan PIX, tapi echo-reply secara default juga di drop. So kalo ngeping pasti hasilnya RTO. Versi PIX? Cisco PIX Firewall Version 6.3(5)  Gimana? Biar bisa ngeping, dan mungkin untuk keperluan yang lain, begini contoh konfigurasinya: access-list 102 permit icmp any any echo-reply access-list [...]]]></description>
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		<slash:comments>2</slash:comments>
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