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  2. HTTP 502 - Wikipedia

    en.wikipedia.org/wiki/HTTP_502

    Instead of sending a valid response, the upstream server returns an invalid or faulty response to the proxy server. The proxy server, unable to handle the invalid ...

  3. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    Servers can optionally send this response to indicate a call is being forwarded. [1]: §21.1.3 182 Queued Indicates that the destination was temporarily unavailable, so the server has queued the call until the destination is available. A server may send multiple 182 responses to update progress of the queue. [1]: §21.1.4 183 Session Progress

  4. Ping of death - Wikipedia

    en.wikipedia.org/wiki/Ping_of_death

    A ping of death is a type of attack on a computer system that involves sending a malformed or otherwise malicious ping to a computer. [1] In this attack, a host sends hundreds of ping requests with a packet size that is large or illegal to another host to try to take it offline or to keep it preoccupied responding with ICMP Echo replies.

  5. ping (networking utility) - Wikipedia

    en.wikipedia.org/wiki/Ping_(networking_utility)

    In cases of no response from the target host, most implementations display either nothing or periodically print notifications about timing out. Possible ping results indicating a problem include the following: H,!N or !P – host, network or protocol unreachable; S – source route failed; F – fragmentation needed

  6. Open Shortest Path First - Wikipedia

    en.wikipedia.org/wiki/Open_Shortest_Path_First

    NOTE: a RID is the highest logical (loopback) IP address configured on a router, if no logical/loopback IP address is set then the router uses the highest IP address configured on its active interfaces (e.g. 192.168.0.1 would be higher than 10.1.1.2). Usually the router with the second-highest priority number becomes the BDR.

  7. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    If a router finds a match, it will forward the packet through that route; if not, it will send the packet to its own default gateway. Each router encountered on the way will store the packet ID and where it came from so that it can pass the response packet back to the sender. The packet contains source and destination, not all router hops.

  8. MESI protocol - Wikipedia

    en.wikipedia.org/wiki/MESI_protocol

    Image 1.1 State diagram for MESI protocol Red: Bus initiated transaction. Black: Processor initiated transactions. [3]The MESI protocol is defined by a finite-state machine that transitions from one state to another based on 2 stimuli.

  9. Guest in the House - Wikipedia

    en.wikipedia.org/wiki/Guest_in_the_House

    Guest in the House (re-release title Satan in Skirts) is a 1944 American film noir directed by John Brahm starring Anne Baxter and Ralph Bellamy.. Lewis Milestone began directing the film in April 1944, but was stricken with appendicitis in May 1944 and collapsed on the set.