Video: Qhov chaw nres nkoj twg Domain Name System lossis DNS kev pabcuam siv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
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Hauv qhov no, yog DNS raws tu qauv lossis kev pabcuam?
Nws txhais cov DNS raws tu qauv , ib tug ncauj lus kom ntxaws specifications ntawm cov ntaub ntawv qauv thiab cov ntaub ntawv kev sib txuas lusexchanges siv nyob rau hauv lub DNS , raws li ib feem ntawm Internet raws tu qauv Suite. Internet tuav ob lub ntsiab lus tseem ceeb, lub npe sau npe hierarchy thiab Internet raws tu qauv (IP) chaw nyob.
Kuj Paub, vim li cas peb thiaj xav tau lub npe sau npe DNS)? DNS ( Domain Name Server ) yog feem ntau siv los hloov tib neeg lub ntsiab lus npe ( lub npe ) rau computer meaningful npe (IP chaw nyob) hauv Internet. Qhov no yog vim computers ua tau tsuas paub iPaddresses.
Ib yam li ntawd, tib neeg nug, qhov chaw nres nkoj twg cuam tshuam nrog DNS kev pabcuam?
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Dab tsi thauj txheej raws tu qauv siv DNS server siv?
DNS yog ib daim ntawv thov txheej txheej txheem . Allapplication txheej txheem siv ib ob transportlayer raws tu qauv , UDP thiab TCP.
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Table 1 Common TCP/IP Protocols and Ports Protocol TCP/UDP Port Number Secure Plhaub (SSH) (RFC 4250-4256) TCP 22 Telnet (RFC 854) TCP 23 Simple Mail Transfer Protocol (SMTP) (RFC 5321) TCP 25 System (DNS) (RFC 1034-1035) TCP/UDP 53
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