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> <channel><title>nixCraft &#187; dns queries</title> <atom:link href="http://www.cyberciti.biz/tips/tag/dns-queries/feed" rel="self" type="application/rss+xml" /><link>http://www.cyberciti.biz/tips</link> <description>This is a Linux sys admin journal by Vivek about sys admin work, Linux tips &#38; tricks, hacks, news and more.</description> <lastBuildDate>Fri, 03 Feb 2012 22:45:35 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.1</generator> <item><title>Different Type of Content Delivered Using a CDN</title><link>http://www.cyberciti.biz/tips/different-type-content-using-content-delivered-network.html</link> <comments>http://www.cyberciti.biz/tips/different-type-content-using-content-delivered-network.html#comments</comments> <pubDate>Fri, 20 Feb 2009 17:10:48 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Content Delivery Network]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[advanced software]]></category> <category><![CDATA[application software]]></category> <category><![CDATA[Applications of distributed computing]]></category> <category><![CDATA[cascading style sheets]]></category> <category><![CDATA[cdn]]></category> <category><![CDATA[Cloud storage]]></category> <category><![CDATA[current news events]]></category> <category><![CDATA[digital content]]></category> <category><![CDATA[Distributed algorithms]]></category> <category><![CDATA[Distributed data storage]]></category> <category><![CDATA[Distributed data storage systems]]></category> <category><![CDATA[dns queries]]></category> <category><![CDATA[dynamic site]]></category> <category><![CDATA[dynamic web application]]></category> <category><![CDATA[Internet broadcasting radio]]></category> <category><![CDATA[Internet television]]></category> <category><![CDATA[intranet servers]]></category> <category><![CDATA[Multimedia]]></category> <category><![CDATA[network content]]></category> <category><![CDATA[networking technologies]]></category> <category><![CDATA[Networks]]></category> <category><![CDATA[Peer-to-peer computing]]></category> <category><![CDATA[software games]]></category> <category><![CDATA[static content]]></category> <category><![CDATA[Streaming]]></category> <category><![CDATA[Streaming media systems]]></category> <category><![CDATA[Video hosting]]></category> <category><![CDATA[Video on demand services]]></category> <guid
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class="drop_cap">W</span>hat types of content are generally delivered using a CDN?]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/different-type-content-using-content-delivered-network.html/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Security Alert: FreeBSD-SA-08:06.bind DNS cache Poisoning</title><link>http://www.cyberciti.biz/tips/freebsd-bind-dns-cache-poisoning.html</link> <comments>http://www.cyberciti.biz/tips/freebsd-bind-dns-cache-poisoning.html#comments</comments> <pubDate>Sat, 14 Jun 2008 06:03:38 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[BIND Dns]]></category> <category><![CDATA[FreeBSD]]></category> <category><![CDATA[Howto]]></category> <category><![CDATA[Networking]]></category> <category><![CDATA[Security Alert]]></category> <category><![CDATA[bind 9]]></category> <category><![CDATA[CVE-2008-1447]]></category> <category><![CDATA[dns queries]]></category> <category><![CDATA[dns request]]></category> <category><![CDATA[dns requests]]></category> <category><![CDATA[domain name server]]></category> <category><![CDATA[domain name system]]></category> <category><![CDATA[internet domain name]]></category> <category><![CDATA[pgp signature]]></category> <category><![CDATA[problem description]]></category> <category><![CDATA[randomization]]></category> <category><![CDATA[recursion]]></category> <category><![CDATA[recursive queries]]></category> <category><![CDATA[security branch]]></category> <category><![CDATA[server dns]]></category> <category><![CDATA[source port]]></category> <category><![CDATA[target systems]]></category> <category><![CDATA[valid response]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/?p=2460</guid> <description><![CDATA[The BIND DNS implementation does not randomize the UDP source port when doing remote queries, and the query id alone does not provide adequate randomization.
]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/freebsd-bind-dns-cache-poisoning.html/feed</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>How do I build a Simple Linux Firewall for DSL/Dial-up connection?</title><link>http://www.cyberciti.biz/tips/how-do-i-build-a-simple-linux-firewall-for-dsldial-up-connection.html</link> <comments>http://www.cyberciti.biz/tips/how-do-i-build-a-simple-linux-firewall-for-dsldial-up-connection.html#comments</comments> <pubDate>Fri, 28 Oct 2005 02:32:00 +0000</pubDate> <dc:creator>LinuxTitli</dc:creator> <category><![CDATA[Debian Linux]]></category> <category><![CDATA[Gentoo Linux]]></category> <category><![CDATA[Iptables]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Networking]]></category> <category><![CDATA[RedHat/Fedora Linux]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Suse Linux]]></category> <category><![CDATA[Sys admin]]></category> <category><![CDATA[Tips]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[access policy]]></category> <category><![CDATA[default filter]]></category> <category><![CDATA[desktop linux]]></category> <category><![CDATA[dns queries]]></category> <category><![CDATA[firewall policy]]></category> <category><![CDATA[fw]]></category> <category><![CDATA[incoming traffic]]></category> <category><![CDATA[iptables state]]></category> <category><![CDATA[linux computer]]></category> <category><![CDATA[linux firewall]]></category> <category><![CDATA[linux firewall howto]]></category> <category><![CDATA[loop back]]></category> <category><![CDATA[mangle]]></category> <category><![CDATA[modprobe]]></category> <category><![CDATA[outgoing connections]]></category> <category><![CDATA[outgoing traffic]]></category> <category><![CDATA[shell command]]></category> <category><![CDATA[udp traffic]]></category> <category><![CDATA[unlimited traffic]]></category> <category><![CDATA[windows background]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/how-do-i-build-a-simple-linux-firewall-for-dsldial-up-connection.html</guid> <description><![CDATA[If you're new to Linux, here's a simple firewall that can be setup in minutes. Especially those coming from a Windows background, often lost themselves while creating linux firewall. This is the most common question asked by Linux newbies (noobs). How do I install a personal firewall on a standalone Desktop Linux computer. In other [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/how-do-i-build-a-simple-linux-firewall-for-dsldial-up-connection.html/feed</wfw:commentRss> <slash:comments>6</slash:comments> </item> <item><title>Linux Iptables block or open DNS / bind service port 53</title><link>http://www.cyberciti.biz/tips/linux-iptables-12-how-to-block-or-open-dnsbind-service-port-53.html</link> <comments>http://www.cyberciti.biz/tips/linux-iptables-12-how-to-block-or-open-dnsbind-service-port-53.html#comments</comments> <pubDate>Wed, 13 Jul 2005 22:54:00 +0000</pubDate> <dc:creator>LinuxTitli</dc:creator> <category><![CDATA[BIND Dns]]></category> <category><![CDATA[Debian Linux]]></category> <category><![CDATA[Gentoo Linux]]></category> <category><![CDATA[Howto]]></category> <category><![CDATA[Iptables]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[Networking]]></category> <category><![CDATA[RedHat/Fedora Linux]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Suse Linux]]></category> <category><![CDATA[Tips]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[bind]]></category> <category><![CDATA[dns queries]]></category> <category><![CDATA[domain name service]]></category> <category><![CDATA[iptables command]]></category> <category><![CDATA[open port 53]]></category> <category><![CDATA[tcp protocol]]></category> <category><![CDATA[tcp udp]]></category> <category><![CDATA[udp port]]></category> <category><![CDATA[udp protocol]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/linux-iptables-12-how-to-block-or-open-dnsbind-service-port-53.html</guid> <description><![CDATA[The domain name service provided by BIND (named) software. It uses both UDP and TCP protocol and listen on port 53. DNS queries less than 512 bytes are transferred using UDP protocol and large queries are handled by TCP protocol such as zone transfer. i) named/bind server – TCP/UDP port 53 ii)Client (browser, dig etc) [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/linux-iptables-12-how-to-block-or-open-dnsbind-service-port-53.html/feed</wfw:commentRss> <slash:comments>4</slash:comments> </item> <item><title>How to: Troubleshoot UNIX / Linux BIND DNS server problems</title><link>http://www.cyberciti.biz/tips/troubleshooting-bind-dns-2.html</link> <comments>http://www.cyberciti.biz/tips/troubleshooting-bind-dns-2.html#comments</comments> <pubDate>Fri, 19 Nov 2004 20:33:00 +0000</pubDate> <dc:creator>nixcraft</dc:creator> <category><![CDATA[BIND Dns]]></category> <category><![CDATA[CentOS]]></category> <category><![CDATA[Debian Linux]]></category> <category><![CDATA[FreeBSD]]></category> <category><![CDATA[Gentoo Linux]]></category> <category><![CDATA[GNU/Open source]]></category> <category><![CDATA[Howto]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[OpenBSD]]></category> <category><![CDATA[RedHat/Fedora Linux]]></category> <category><![CDATA[Suse Linux]]></category> <category><![CDATA[Sys admin]]></category> <category><![CDATA[Troubleshooting]]></category> <category><![CDATA[Tuning]]></category> <category><![CDATA[UNIX]]></category> <category><![CDATA[berkeley internet name domain]]></category> <category><![CDATA[bind]]></category> <category><![CDATA[chkconfig command]]></category> <category><![CDATA[dns queries]]></category> <category><![CDATA[dns server]]></category> <category><![CDATA[domain dns]]></category> <category><![CDATA[iptables command]]></category> <category><![CDATA[netstat command]]></category> <category><![CDATA[ns1]]></category> <category><![CDATA[port_53]]></category> <category><![CDATA[remote server]]></category> <category><![CDATA[telnet command]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/troubleshooting-bind-dns-2.html</guid> <description><![CDATA[BIND is the Berkeley Internet Name Domain, DNS server. It is wildly used on UNIX and Linux like oses. You can use following tools to troubleshoot bind related problems under UNIX or Linux oses. Task: Port 53 open and listing requests By default BIND listen DNS queries on port 53. So make sure port 53 [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/troubleshooting-bind-dns-2.html/feed</wfw:commentRss> <slash:comments>11</slash:comments> </item> </channel> </rss>
