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  2. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    Cisco IOS IP Service Level Agreements Control Protocol [citation needed] 1972: Yes: InterSystems Caché, and InterSystems IRIS versions 2020.3 and later 1984: Yes: Big Brother: Unofficial: Arweave mining node [161] 1985: Assigned: Yes: Cisco Hot Standby Router Protocol (HSRP) [162] [self-published source] 1998: Yes: Cisco X.25 over TCP service ...

  3. Wildcard mask - Wikipedia

    en.wikipedia.org/wiki/Wildcard_mask

    A wildcard mask is a mask of bits that indicates which parts of an IP address are available for examination. In the Cisco IOS, [1] they are used in several places, for example:

  4. Wireless security - Wikipedia

    en.wikipedia.org/wiki/Wireless_security

    Concerns were raised about its security as early as 2001, [21] dramatically demonstrated in 2005 by the FBI, [22] yet in 2007 T.J. Maxx admitted a massive security breach due in part to a reliance on WEP [23] and the Payment Card Industry took until 2008 to prohibit its use – and even then allowed existing use to continue until June 2010. [24]

  5. Wi-Fi Protected Access - Wikipedia

    en.wikipedia.org/wiki/Wi-Fi_Protected_Access

    Wi-Fi Protected Access (WPA), Wi-Fi Protected Access 2 (WPA2), and Wi-Fi Protected Access 3 (WPA3) are the three security certification programs developed after 2000 by the Wi-Fi Alliance to secure wireless computer networks.

  6. Private network - Wikipedia

    en.wikipedia.org/wiki/Private_network

    In Internet networking, a private network is a computer network that uses a private address space of IP addresses.These addresses are commonly used for local area networks (LANs) in residential, office, and enterprise environments.

  7. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    Special address blocks Address block Address range Number of addresses Scope Description 0.0.0.0/8 0.0.0.0–0.255.255.255 16 777 216: Software Current (local, "this") network [1]

  8. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    A gateway is a network node that serves as an access point to another network, often involving not only a change of addressing, but also a different networking technology.

  9. Residential gateway - Wikipedia

    en.wikipedia.org/wiki/Residential_gateway

    A residential gateway is a small consumer-grade gateway which bridges network access between connected local area network (LAN) hosts to a wide area network (WAN) (such as the Internet) via a modem, or directly connects to a WAN (as in EttH), while routing.