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  • 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. MasqueradingWith masquerading, a system will forward packets that are not directly addressed to itself to the intended re   [...]

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