{"id":444,"date":"2008-04-13T15:21:24","date_gmt":"2008-04-13T19:21:24","guid":{"rendered":"http:\/\/onlineappsdba.com\/index.php\/2008\/04\/13\/iptables-linux-based-firewall\/"},"modified":"2008-04-13T15:27:01","modified_gmt":"2008-04-13T19:27:01","slug":"iptables-linux-based-firewall","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2008\/04\/13\/iptables-linux-based-firewall\/","title":{"rendered":"IPTABLES : Linux based firewall"},"content":{"rendered":"<p>If you are Apps DBA, I assume you never have to do this but if you are in situation like me (Apps Server running IPTABLES firewall and you handling both Linux server and Apps) then here\u00a0is quick way to open port from\u00a0linux based software firewall <a target=\"_blank\" href=\"http:\/\/www.linuxhomenetworking.com\/wiki\/index.php\/Quick_HOWTO_:_Ch14_:_Linux_Firewalls_Using_iptables\"><strong>IPTABLES<\/strong><\/a>.<\/p>\n<p>1. Identify Port which\u00a0you need to open on firewall (For Apps 11i\/R12 with port pool\u00a0zero, open port 8000\/web\u00a0&amp; 8100\/forms\u00a0)<\/p>\n<p>\u00a02. Open port in firewall with below command<br \/>\niptables -I INPUT -p tcp &#8211;dport &lt;port_number&gt; -j ACCEPT\u00a0\u00a0 (replace port_number) like<\/p>\n<p><strong>iptables -I INPUT -p tcp &#8211;dport\u00a08000 -j ACCEPT<br \/>\niptables -I INPUT -p tcp &#8211;dport\u00a08100 -j ACCEPT<br \/>\n<\/strong><\/p>\n<p>3. Save IPTABLES like configuration\u00a0<br \/>\n<strong>service iptables save<\/strong><\/p>\n<p>4. Restart service IPTABLES like<br \/>\n<strong>service iptables restart<br \/>\n<\/strong><\/p>\n<p><u><strong>Related<\/strong><\/u><br \/>\n<a target=\"_blank\" href=\"https:\/\/onlineappsdba.com\/index.php\/2008\/01\/08\/linuxunix-basics\/\">Linux for newbie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you are Apps DBA, I assume you never have to do this but if you are in situation like [&hellip;]<\/p>\n","protected":false},"author":115,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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