What is iptables? How to manage iptables?

Posted at January 28, 2017 at 11:39 am by Jithin

You should take security very important if you own a web application. Customers will not like to continue with a service where they can't get good security. If you have a shared hosting account, there are limitations to the options you can customize for security. If you are owner of a server like a VPS, quick server, dedicated server, you can customize the server according to your needs as the server is yours and you have ¬†full control over your website. There are many ways to configure a serve   [...]

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IP Masquerading in Linux

Posted at January 5, 2017 at 4:53 pm by Jithin

IP Masquerade is a networking function in Linux similar to the one-to-many NAT (Network Address Translation) servers found in many commercial firewalls and network routers. IP Masquerade, also called IPMASQ or MASQ, allows one or more computers in a network without assigned IP addresses to communicate with the Internet using Linux server's assigned IP address. If a Linux host is connected to the Internet via PPP, Ethernet, etc., the IP Masquerade feature allows other "internal" computers connect   [...]

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Linux Network Address Translation (NAT)

Posted at January 5, 2017 at 4:25 pm by Jithin

Firewalld supports two types of Network Address translation(NAT): masquerading and port forwarding. Both can be configured on a basic level with regular firewall-cmd rules, and more advanced forwarding configurations can be accomplished with rich rules. Both forms of NAT modify certain aspects of a packet, like the source or destination, before sending it on.   Masquerading With masquerading, a system will forward packets that are not directly addressed to itself to the intended re   [...]

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