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> <channel><title>nixCraft &#187; ping request</title> <atom:link href="http://www.cyberciti.biz/tips/tag/ping-request/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>Simple Linux and UNIX system monitoring with ping command and scripts</title><link>http://www.cyberciti.biz/tips/simple-linux-and-unix-system-monitoring-with-ping-command-and-scripts.html</link> <comments>http://www.cyberciti.biz/tips/simple-linux-and-unix-system-monitoring-with-ping-command-and-scripts.html#comments</comments> <pubDate>Fri, 21 Jul 2006 12:13:33 +0000</pubDate> <dc:creator>nixcraft</dc:creator> <category><![CDATA[Monitoring]]></category> <category><![CDATA[Networking]]></category> <category><![CDATA[Shell scripting]]></category> <category><![CDATA[grep command]]></category> <category><![CDATA[monitor lan with ping command]]></category> <category><![CDATA[packet loss]]></category> <category><![CDATA[ping command]]></category> <category><![CDATA[ping cron job]]></category> <category><![CDATA[ping request]]></category> <category><![CDATA[ping statistics]]></category> <category><![CDATA[seq command]]></category> <category><![CDATA[shell script]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/simple-linux-and-unix-system-monitoring-with-ping-command-and-scripts.html</guid> <description><![CDATA[You can simply monitor your remote system hosted some remote IDC. There may be tons of causes for which system goes out the network. Understanding ping command ping is one of the basic and nifty command to test network connection. For example you can send 4 ping request to cyberciti.biz with following command: $ ping [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/simple-linux-and-unix-system-monitoring-with-ping-command-and-scripts.html/feed</wfw:commentRss> <slash:comments>30</slash:comments> </item> <item><title>Linux Iptables allow or block ICMP ping request</title><link>http://www.cyberciti.biz/tips/linux-iptables-9-allow-icmp-ping.html</link> <comments>http://www.cyberciti.biz/tips/linux-iptables-9-allow-icmp-ping.html#comments</comments> <pubDate>Tue, 28 Jun 2005 22:41:00 +0000</pubDate> <dc:creator>LinuxTitli</dc:creator> <category><![CDATA[Debian Linux]]></category> <category><![CDATA[Gentoo Linux]]></category> <category><![CDATA[Iptables]]></category> <category><![CDATA[RedHat/Fedora Linux]]></category> <category><![CDATA[Security]]></category> <category><![CDATA[Suse Linux]]></category> <category><![CDATA[Ubuntu Linux]]></category> <category><![CDATA[control message]]></category> <category><![CDATA[echo request]]></category> <category><![CDATA[firewall policy]]></category> <category><![CDATA[icmp]]></category> <category><![CDATA[internet control message protocol]]></category> <category><![CDATA[iptables command]]></category> <category><![CDATA[ping request]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/linux-iptables-9-allow-icmp-ping.html</guid> <description><![CDATA[The Internet Control Message Protocol (ICMP) has many messages that are identified by a "type" field. You need to use 0 and 8 ICMP code types. => Zero (0) is for echo-reply => Eight (8) is for echo-request. To enable ICMP ping incoming client request use following iptables rule (you need to add following rules [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/linux-iptables-9-allow-icmp-ping.html/feed</wfw:commentRss> <slash:comments>24</slash:comments> </item> <item><title>Linux Iptables: Block All Incoming Traffic But Allow SSH</title><link>http://www.cyberciti.biz/tips/linux-iptables-4-block-all-incoming-traffic-but-allow-ssh.html</link> <comments>http://www.cyberciti.biz/tips/linux-iptables-4-block-all-incoming-traffic-but-allow-ssh.html#comments</comments> <pubDate>Wed, 22 Jun 2005 03:17:00 +0000</pubDate> <dc:creator>Vivek Gite</dc:creator> <category><![CDATA[Iptables]]></category> <category><![CDATA[Linux]]></category> <category><![CDATA[default filter]]></category> <category><![CDATA[dport]]></category> <category><![CDATA[incoming service]]></category> <category><![CDATA[incoming traffic]]></category> <category><![CDATA[iptables command]]></category> <category><![CDATA[kernel 2]]></category> <category><![CDATA[loopback]]></category> <category><![CDATA[outgoing service]]></category> <category><![CDATA[ping request]]></category> <category><![CDATA[port 22]]></category> <category><![CDATA[sbin]]></category> <category><![CDATA[server ip]]></category> <category><![CDATA[server server]]></category> <category><![CDATA[server source]]></category> <category><![CDATA[shell script]]></category> <category><![CDATA[source port]]></category> <category><![CDATA[ssh server]]></category> <category><![CDATA[unlimited traffic]]></category> <guid
isPermaLink="false">http://www.cyberciti.biz/tips/linux-iptables-4-block-all-incoming-traffic-but-allow-ssh.html</guid> <description><![CDATA[This is very common scenario. You want to permit access to a remote machine only by SSH. You would like to block all incoming traffic to your system except ssh connection under Linux. Add following rules to your iptables shell script: /sbin/iptables -A INPUT -p tcp --dport 22 -j ACCEPT /sbin/iptables -A OUTPUT -p tcp [...]]]></description> <wfw:commentRss>http://www.cyberciti.biz/tips/linux-iptables-4-block-all-incoming-traffic-but-allow-ssh.html/feed</wfw:commentRss> <slash:comments>13</slash:comments> </item> </channel> </rss>
