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  2. iptables - Wikipedia

    en.wikipedia.org/wiki/Iptables

    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.

  3. Uncomplicated Firewall - Wikipedia

    en.wikipedia.org/wiki/Uncomplicated_Firewall

    Uncomplicated Firewall (UFW) is a program for managing a netfilter firewall designed to be easy to use. It uses a command-line interface consisting of a small number of simple commands, and uses iptables for configuration. UFW is available by default in all Ubuntu installations since 8.04 LTS. [1]

  4. Netfilter - Wikipedia

    en.wikipedia.org/wiki/Netfilter

    They provide a table-based system for defining firewall rules that can filter or transform packets. The tables can be administered through the user-space tools iptables, ip6tables, arptables, and ebtables. Notice that although both the kernel modules and userspace utilities have similar names, each of them is a different entity with different ...

  5. Comparison of firewalls - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_firewalls

    Barracuda Firewall Proprietary: Included Firewall Next Generation appliance Windows-based appliance embedded firewall distribution Cyberoam: Proprietary: Included Firewall Sophos appliance Windows-based appliance embedded firewall distribution D-Link: Proprietary: Included Firewall DFL Windows-based appliance embedded firewall distribution ...

  6. List of router and firewall distributions - Wikipedia

    en.wikipedia.org/wiki/List_of_router_and...

    Windows Routing and Remote Access Service is a feature that can be installed on Windows (mainly server) Operating Systems, and can perform routing functions, NAT, and implement firewall rules. Zentyal (formerly eBox Platform) Active: Ubuntu derivative: x86, x86-64: Open source: Free with paid services available

  7. firewalld - Wikipedia

    en.wikipedia.org/wiki/Firewalld

    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.

  8. LinkedIn lawsuit over use of customer data for AI models is ...

    www.aol.com/news/linkedin-lawsuit-over-customer...

    A proposed class action accusing Microsoft's LinkedIn of violating the privacy of millions of Premium customers by disclosing their private messages to train generative artificial intelligence ...

  9. List of IP protocol numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_IP_protocol_numbers

    This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header. It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header. Both fields are eight bits wide.