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  2. List of TCP and UDP port numbers - Wikipedia

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

    The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the ...

  3. Open port - Wikipedia

    en.wikipedia.org/wiki/Open_port

    Listing open TCP ports that are listening on the local machine. In security parlance, the term open port is used to mean a TCP or UDP port number that is configured to accept packets. In contrast, a port which rejects connections or ignores all packets directed at it is called a closed port. [1]

  4. Firewall pinhole - Wikipedia

    en.wikipedia.org/wiki/Firewall_pinhole

    In computer networking, a firewall pinhole is a port that is not protected by a firewall to allow a particular application to gain access to a service on a host in the network protected by the firewall. [1] [2] Leaving ports open in firewall configurations exposes the protected system to potentially malicious abuse.

  5. The internet is dangerous. Here's how to keep your computer ...

    www.aol.com/news/internet-dangerous-heres-keep...

    Microsoft has stepped up the security features in Windows 11 in response to some of the more prevalent threats that most users will encounter today.

  6. Port knocking - Wikipedia

    en.wikipedia.org/wiki/Port_knocking

    In computer networking, port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports. Once a correct sequence of connection attempts is received, the firewall rules are dynamically modified to allow the host which sent the connection attempts to connect over specific port(s).

  7. Sun RPC - Wikipedia

    en.wikipedia.org/wiki/Sun_RPC

    Open Network Computing (ONC) Remote Procedure Call (RPC), commonly known as Sun RPC is a remote procedure call system. ONC was originally developed by Sun Microsystems in the 1980s as part of their Network File System project.

  8. Port (computer networking) - Wikipedia

    en.wikipedia.org/wiki/Port_(computer_networking)

    In computer networking, a port or port number is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. At the software level, within an operating system , a port is a logical construct that identifies a specific process or a type of network service .

  9. Mirai (malware) - Wikipedia

    en.wikipedia.org/wiki/Mirai_(malware)

    Once these ports are open to traffic, OMG sets up 3proxy – open-source software available on a Russian website. [ 23 ] Between May and June 2018, another variant of Mirai, dubbed as "Wicked", has emerged with added configurations to target at least three additional exploits including those affecting Netgear routers and CCTV-DVRs.