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  2. Reserved IP addresses - Wikipedia

    en.wikipedia.org/wiki/Reserved_IP_addresses

    In use for multicast [10] (former Class D network) 233.252.0.0/24 233.252.0.0–233.252.0.255 256: Documentation Assigned as MCAST-TEST-NET, documentation and examples (This is part of the above multicast space.) [10] [11] 240.0.0.0/4 240.0.0.0–255.255.255.254 268 435 455: Internet Reserved for future use [12] (former Class E network) 255.255 ...

  3. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    Router2 manages its attached networks and default gateway; router 3 does the same; router 1 manages all routes within the internal networks. Accessing internal resources If PC2 (172.16.1.100) needs to access PC3 (192.168.1.100), since PC2 has no route to 192.168.1.100 it will send packets for PC3 to its default gateway (router2).

  4. Routing table - Wikipedia

    en.wikipedia.org/wiki/Routing_table

    In this example, gateway 192.168.0.1 (the internet router) can be reached through the local network card with address 192.168.0.100. Finally, the Metric indicates the associated cost of using the indicated route. This is useful for determining the efficiency of a certain route from two points in a network.

  5. PathPing - Wikipedia

    en.wikipedia.org/wiki/PathPing

    The command provides details of the path between two hosts and ping-like statistics for each node in the path based on samples taken over a time period, depending on how many nodes are between the start and end host.

  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. Internet Protocol - Wikipedia

    en.wikipedia.org/wiki/Internet_Protocol

    While IPv4 uses 32 bits for addressing, yielding c. 4.3 billion (4.3 × 10 9) addresses, IPv6 uses 128-bit addresses providing c. 3.4 × 10 38 addresses. Although adoption of IPv6 has been slow, as of January 2023 [update] , most countries in the world show significant adoption of IPv6, [ 10 ] with over 41% of Google's traffic being carried ...

  8. Deep packet inspection - Wikipedia

    en.wikipedia.org/wiki/Deep_packet_inspection

    [10] [11] Deep Packet Inspection is able to detect a few kinds of buffer overflow attacks. DPI may be used by enterprise for Data Leak Prevention (DLP). When an e-mail user tries to send a protected file, the user may be given information on how to get the proper clearance to send the file. [12] [example needed] [clarification needed]

  9. Wi-Fi Protected Access - Wikipedia

    en.wikipedia.org/wiki/Wi-Fi_Protected_Access

    The flaw allows a remote attacker to recover the WPS PIN and, with it, the router's WPA/WPA2 password in a few hours. [45] Users have been urged to turn off the WPS feature, [46] although this may not be possible on some router models. Also, the PIN is written on a label on most Wi-Fi routers with WPS, which cannot be changed if compromised.