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| Internet Raspravljate o temi Tajne Google-ovog Logoa 2008 u Tehnologija i Tehnika forumu; Otkrijte tajne... |
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| | Opcije Teme |
| | #3 (permalink) |
| Starter Datum registracije: 20-10-07 Lokacija: Slavonac Godina: 21
Poruka: 49
![]() | Re: Tajne Google-ovog Logoa 2008 What is syn syn ack ack? The syn syn ack ack is referred as a "Three Way Handshake." To establish a connection, TCP uses a three-way handshake. Before a client attempts to connect with a server, the server must first bind to a port to open it up for connections: this is called a passive open. Once the passive open is established, a client may initiate an active open. To establish a connection, the three-way (or 3-step) handshake occurs: Wikipedia The "SYN" flags are requests by the TCP stack at one end of a socket to synchronize themselves to the sequence numbering for this new sessions. The ACK flags acknowlege earlier packets in this session. Obviously only the initial packet has no ACK flag, since there are no previous packets to acknowlege. Only the second packet (the first response from a server to a client) has both the SYN and the ACK bits set. linuxgazette. In the neverending journey for sockets to shake hands, there has always been the cordial behind the scenes introduction. To imagine life without SYN/ACK would be akin to imagining life without the Internet. And that's quite scary. thinkgeek. Eto objasnjenje ali neznam sve prevesti
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| Moderator Foruma Datum registracije: 12-05-05 Lokacija: Zagreb, Trnje Godina: 22
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![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | Re: Tajne Google-ovog Logoa 2008 Citat:
Kako bi uspostavio vezu TCP protokol se koristi ovim sistemom. Prije nego se klijent pokuša spajanje sa serverom, on se mora vezati na port kako bi ga otvorio za konekciju. Jednom kad je pasivni put uspostavljen, klijen može inicirati vezu aktivnim putem. Kako bi se uspostavila veza odvija se "Trosmjerno rukovanje". SYN zastavice su nužne TCP stogu s jedne strane veze kako bi se protok podataka sinkronizirao prije nailaska sljedeće sekvence. Okej... meni fakat nije jasno koji me vrag tjerao da ovo idem opće prevoditi i sad sam to skužio, a glupo mi brisat kad sam već počeo... ah... ![]()
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