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iptables is a user-space utility program that allows a system administrator to configure the IP packet filter rules of the Linux kernel firewall, implemented as different Netfilter modules. The filters are organized in a set of tables, which contain chains of rules for how to treat network traffic packets.
Koozali SME server (also known as the SME Server, formerly e-smith server and gateway) is a Linux distribution based on Red Hat Enterprise Linux and can act a server-only or server and gateway. Core features include internet services such as HTTP , FTP or email servers and firewall .
Linux Windows Frontend Backend Plugin Support VCS IPv6 Support Multiserver Support AlternC: GPL 2: 2017-11-07 [1] No Yes No PHP: PHP / Perl / Shell script: Yes git: Yes No Domain Technologie Control: GNU LGPL: 2013/04/04 Limited FreeBSD support Yes No PHP: MySQL? git No ? Froxlor: GPL: 2024-03-29 [2] No Yes No PHP: PHP, MariaDB or MySQL [3] No ...
It provides firewall features by acting as a front-end for the Linux kernel's netfilter framework. firewalld's current default backend is nftables. Prior to v0.6.0, iptables was the default backend. [3] Through its abstractions, firewalld acts as an alternative to nft and iptables command line programs.
Within this group, a host is designated as "active/primary". The other members are "standby". The main host is that which "takes" the IP address. It answers any traffic or ARP request brought to the attention of this address. Each host can belong to several groups of redundancy. Each host must have a second unique IP address.
The Web Proxy Auto-Discovery (WPAD) Protocol is a method used by clients to locate the URL of a configuration file using DHCP and/or DNS discovery methods. Once detection and download of the configuration file is complete, it can be executed to determine the proxy for a specified URL.
A distributed firewall is a security application on a host machine of a network that protects the servers and user machines of its enterprise's networks against unwanted intrusion. A firewall is a system or group of systems ( router , proxy , or gateway ) that implements a set of security rules to enforce access control between two networks to ...
Round-robin DNS is a technique of load distribution, load balancing, or fault-tolerance provisioning multiple, redundant Internet Protocol service hosts, e.g., Web server, FTP servers, by managing the Domain Name System's (DNS) responses to address requests from client computers according to an appropriate statistical model.