ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

ื•ื•ืขืœื›ืขืจ ื“ื™ ืคื™ืจืžืข ื˜ื•ื˜, ื–ื™ื›ืขืจื”ื™ื™ึทื˜ ื“ื ืก ื–ืึธืœ ื–ื™ื™ืŸ ืึท ื™ื ื˜ืึทื’ืจืึทืœ ื˜ื™ื™ืœ ืคื•ืŸ ื–ื™ื™ึทืŸ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืคึผืœืึทืŸ. ื ืึธืžืขืŸ ื‘ืึทื“ื™ื ื•ื ื’ืก, ื•ื•ืึธืก ื‘ืึทืฉื˜ื™ืžืขืŸ ื ืขืฅ ื”ืึธืกื˜ื ืึทืžืขืก ืฆื• IP ืึทื“ืจืขืกืขืก, ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜ ื“ื•ืจืš ืžืžืฉ ื™ืขื“ืขืจ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ืื•ืŸ ื“ื™ื ืกื˜ ืื•ื™ืฃ ื“ื™ ื ืขืฅ.

ืื•ื™ื‘ ืึท ืึทื˜ืึทืงืขืจ ื’ื™ื™ื ื– ืงืึธื ื˜ืจืึธืœ ืคื•ืŸ ื“ื™ DNS ืคื•ืŸ ืึทืŸ ืึธืจื’ืึทื ื™ื–ืึทืฆื™ืข, ื–ื™ื™ ืงืขื ืขืŸ ืœื™ื™ื›ื˜:

  • ื’ืขื‘ืŸ ื–ื™ืš ืงืึธื ื˜ืจืึธืœ ืื™ื‘ืขืจ ื“ื™ ืจืขืกื•ืจืกืŸ ื•ื•ืึธืก ื–ืขื ืขืŸ ืื™ืŸ ื“ื™ ืฆื™ื‘ื•ืจ ืคืขืœื“
  • ืจื™ื“ืขืจืขืงื˜ ื™ื ืงืึทืžื™ื ื’ ื™ืžื™ื™ืœื– ืื•ืŸ ื•ื•ืขื‘ ืจื™ืงื•ื•ืขืก ืื•ืŸ ืึธื˜ืขื ื˜ืึทืงื™ื™ืฉืึทืŸ ืคืจื•ื•ื•ืŸ
  • ืฉืึทืคึฟืŸ ืื•ืŸ ื•ื•ืึทืœืึทื“ื™ื™ื˜ SSL / TLS ืกืขืจื˜ื™ืคื™ืงืึทืฅ

ื“ืขืจ ืคื™ืจืขืจ ืงื•ืงื˜ ืื•ื™ืฃ DNS ื–ื™ื›ืขืจื”ื™ื™ื˜ ืคึฟื•ืŸ ืฆื•ื•ื™ื™ ืคึผืขืจืกืคึผืขืงื˜ื™ื•ื•ื–:

  1. ืงืขืกื™ื™ื“ืขืจื“ื™ืง ืžืึธื ื™ื˜ืึธืจื™ื ื’ ืื•ืŸ ืงืึธื ื˜ืจืึธืœ ืคื•ืŸ ื“ื™ ื“ื ืก
  2. ื•ื•ื™ ื ื™ื™ึทืข ื“ื ืก ืคึผืจืึธื˜ืึธืงืึธืœืก ืึทื–ืึท ื•ื•ื™ DNSSEC, DOH ืื•ืŸ DoT ืงืขื ืขืŸ ื”ืขืœืคึฟืŸ ื‘ืึทืฉื™ืฆืŸ ื“ื™ ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜ ืื•ืŸ ืงืึทื ืคืึทื“ืขื ืฉื™ืึทืœืึทื˜ื™ ืคื•ืŸ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ื“ื ืก ืคึฟืจืื’ืŸ

ื•ื•ืึธืก ืื™ื– DNS ื–ื™ื›ืขืจื”ื™ื™ื˜?

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

ืขืก ื–ืขื ืขืŸ ืฆื•ื•ื™ื™ ื•ื•ื™ื›ื˜ื™ืง ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ืฆื• ื“ืขืจ ื‘ืึทื’ืจื™ืฃ ืคื•ืŸ DNS ื–ื™ื›ืขืจื”ื™ื™ื˜:

  1. ื™ื ืฉื•ืจื™ื ื’ ื“ื™ ืงื•ื™ืœืขืœื“ื™ืง ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜ ืื•ืŸ ืึทื•ื•ื™ื™ืœืึทื‘ื™ืœืึทื˜ื™ ืคื•ืŸ ื“ื ืก ื‘ืึทื“ื™ื ื•ื ื’ืก ื•ื•ืึธืก ื”ืึทืœื˜ืŸ ื ืขืฅ ื‘ืึทืœืขื‘ืึธืก ื ืขืžืขืŸ ืฆื• IP ืึทื“ืจืขืกืขืก
  2. ืžืึธื ื™ื˜ืึธืจ ื“ื ืก ื˜ืขื˜ื™ืงื™ื™ื˜ ืฆื• ื™ื“ืขื ื˜ื™ืคื™ืฆื™ืจืŸ ืคึผืึธื˜ืขื ืฆื™ืขืœ ื–ื™ื›ืขืจื”ื™ื™ื˜ ื™ืฉื•ื– ืขืจื’ืขืฅ ืื•ื™ืฃ ื“ื™ื™ืŸ ื ืขืฅ

ืคืืจื•ื•ืืก ืื™ื– DNS ืฉืคึผื™ืจืขื•ื•ื“ื™ืง ืฆื• ื‘ืึทืคืึทืœืŸ?

ื“ื ืก ื˜ืขื›ื ืึธืœืึธื’ื™ืข ืื™ื– ื’ืขื•ื•ืขืŸ ื‘ืืฉืืคืŸ ืื™ืŸ ื“ื™ ืคืจื™ ื˜ืขื’ ืคื•ืŸ ื“ืขืจ ืื™ื ื˜ืขืจื ืขืฅ, ืœืึทื ื’ ืื™ื™ื“ืขืจ ื•ื•ืขืจ ืขืก ื™ื– ืืคื™ืœื• ื’ืขื“ืึทื ืง ื•ื•ืขื’ืŸ ื ืขืฅ ื–ื™ื›ืขืจื”ื™ื™ึทื˜. ื“ื ืก ืึทืคึผืขืจื™ื™ืฅ ืึธืŸ ืึธื˜ืขื ื˜ืึทืงื™ื™ืฉืึทืŸ ืื•ืŸ ืขื ืงืจื™ืคึผืฉืึทืŸ, ื‘ืœื™ื™ื ื“ืœื™ ืคึผืจืึทืกืขืกื™ื ื’ ืจื™ืงื•ื•ืขืก ืคื•ืŸ ืงื™ื™ืŸ ื‘ืึทื ื™ืฆืขืจ.

ืื™ืŸ ื“ืขื ืึทื›ื˜ื•ื ื’, ืขืก ื–ืขื ืขืŸ ืคื™ืœืข ื•ื•ืขื’ืŸ ืฆื• ืึธืคึผื ืึทืจืŸ ื“ื™ ื‘ืึทื ื™ืฆืขืจ ืื•ืŸ ืฉื•ื•ื™ื ื“ืœ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื•ื•ื• ื“ื™ ื”ืึทื›ืœืึธื˜ืข ืคื•ืŸ โ€‹โ€‹ื ืขืžืขืŸ ืฆื• IP ืึทื“ืจืขืกืขืก ืื™ื– ืคืืงื˜ื™ืฉ ื“ื•ืจื›ื’ืขืงืึธื›ื˜.

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื™ืฉื•ื– ืื•ืŸ ืงืึทืžืคึผืึธื•ื ืึทื ืฅ

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื‘ืืฉื˜ื™ื™ื˜ ืคื•ืŸ ืขื˜ืœืขื›ืข ื™ืงืขืจื“ื™ืง ืงืึทืžืคึผืึธื•ื ืึทื ืฅ, ื™ืขื“ืขืจ ืคื•ืŸ ื•ื•ืึธืก ืžื•ื–ืŸ ื–ื™ื™ืŸ ื’ืขื ื•ืžืขืŸ ืื™ืŸ ื—ืฉื‘ื•ืŸ ืฆื• ืขื ืฉื•ืจ ืคื•ืœ ืฉื•ืฅ:

  • ืคึฟืึทืจืฉื˜ืึทืจืงื•ื ื’ ื“ื™ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืคื•ืŸ ืกืขืจื•ื•ืขืจืก ืื•ืŸ ืคืึทืจื•ื•ืึทืœื˜ื•ื ื’ ืคึผืจืึธื•ืกื™ื“ื–ืฉืขืจื–: ืคืึทืจื’ืจืขืกืขืจืŸ ืกืขืจื•ื•ืขืจ ื–ื™ื›ืขืจื”ื™ื™ื˜ ืื•ืŸ ืฉืึทืคึฟืŸ ืึท ื ืึธืจืžืึทืœ ืงืึทืžื™ืฉืึทื ื™ื ื’ ื˜ืขืžืคึผืœืึทื˜ืข
  • ืคึผืจืึธื˜ืึธืงืึธืœ ืคึฟืึทืจื‘ืขืกืขืจื•ื ื’: ื™ื ืกื˜ืจื•ืžืขื ื˜ DNSSEC, DoT ืึธื“ืขืจ DoH
  • ืึทื ืึทืœื™ื˜ื™ืงืก ืื•ืŸ ืจืขืคึผืึธืจื˜ื™ื ื’: ืœื™ื™ื’ ืึท DNS ื’ืขืฉืขืขื ื™ืฉ ืงืœืึธืฅ ืฆื• ื“ื™ื™ืŸ SIEM ืกื™ืกื˜ืขื ืคึฟืึทืจ ื ืึธืš ืงืึธื ื˜ืขืงืกื˜ ื•ื•ืขืŸ ืื™ืจ ื•ื™ืกืคืึธืจืฉืŸ ื™ื ืกืึทื“ืึทื ืฅ
  • ืกื™ื™ื‘ืขืจ ืกื™ื™ื›ืœ ืื•ืŸ ืกืึทืงืึธื ืข ื“ื™ื˜ืขืงืฉืึทืŸ: ืึทื‘ืึธื ื™ืจืŸ ืฆื• ืึทืŸ ืึทืงื˜ื™ื•ื• ืกืึทืงืึธื ืข ืกื™ื™ื›ืœ ืงืึธืจืžืขืŸ
  • ืึธื˜ืึทืžื™ื™ืฉืึทืŸ: ืฉืึทืคึฟืŸ ื•ื•ื™ ืคื™ืœืข ืกืงืจื™ืคึผืก ื•ื•ื™ ืžืขื’ืœืขืš ืฆื• ืึธื˜ืึทืžื™ื™ื˜ ืคึผืจืึทืกืขืกืึทื–

ื“ื™ ืื•ื™ื‘ืŸ ื”ื•ื™ืš-ืžื“ืจื’ื” ืงืึทืžืคึผืึธื•ื ืึทื ืฅ ื–ืขื ืขืŸ ื‘ืœื•ื™ื– ื“ื™ ืฉืคึผื™ืฅ ืคื•ืŸ ื“ื™ ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื™ื™ืกื‘ืขืจื’. ืื™ืŸ ื“ืขืจ ื•ื•ื™ื™ึทื˜ืขืจ ืึธืคึผื˜ื™ื™ืœื•ื ื’, ืžื™ืจ ื•ื•ืขืœืŸ ื ืขืžืขืŸ ืึท ื ืขืขื ื˜ืขืจ ืงื•ืง ืื™ืŸ ืžืขืจ ืกืคึผืขืฆื™ืคื™ืฉ ื ื•ืฆืŸ ืงืึทืกืขืก ืื•ืŸ ื‘ืขืกื˜ืขืจ ืคึผืจืึทืงื˜ื™ืกื™ื– ื•ื•ืึธืก ืื™ืจ ื“ืึทืจืคึฟืŸ ืฆื• ื–ื™ื™ืŸ ืึทื•ื•ืขืจ ืคื•ืŸ.

ืื ืคืืœืŸ ืื•ื™ืฃ ื“ื ืก

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

  • DNS ืกืคึผืึธืึธืคื™ื ื’ ืึธื“ืขืจ ืงืึทืฉ ืคืึทืจืกืึทืžื•ื ื’: ืขืงืกืคึผืœื•ื™ื˜ื™ื ื’ ืึท ืกื™ืกื˜ืขื ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืฆื• ืžืึทื ื™ืคึผื•ืœื™ืจืŸ ื“ื™ ื“ื ืก ืงืึทืฉ ืฆื• ืจื™ื“ืขืจืขืงื˜ ื•ืกืขืจืก ืฆื• ืืŸ ืื ื“ืขืจ ืึธืจื˜
  • ื“ื ืก ื˜ืึทื ืึทืœื™ื ื’: ื“ืขืจ ื”ื•ื™ืคึผื˜ ื’ืขื ื™ืฆื˜ ืฆื• ื‘ื™ื™ืคึผืึทืก ื•ื•ื™ื™ึทื˜ ืงืฉืจ ืคึผืจืึทื˜ืขืงืฉืึทื ื–
  • DNS ื™ื ื˜ืขืจืกืขืคึผืฉืึทืŸ: ืจื™ื“ืขืจืขืงื˜ื™ื ื’ ื ืึธืจืžืึทืœ ื“ื ืก ืคืึทืจืงืขืจ ืฆื• ืืŸ ืื ื“ืขืจ ืฆื™ืœ ื“ื ืก ืกืขืจื•ื•ืขืจ ื“ื•ืจืš ื˜ืฉืึทื ื’ื™ื ื’ ื“ื™ ืคืขืœื“ ืจืขื’ื™ืกื˜ืจืึทื˜ืึธืจ
  • NXDOMAIN ื‘ืึทืคืึทืœืŸ: ืึธื ืคื™ืจืŸ ืึท DDoS ื‘ืึทืคืึทืœืŸ ืื•ื™ืฃ ืึท ืึทื˜ืึธืจืึทื˜ื™ื™ื˜ื™ื•ื• ื“ื ืก ืกืขืจื•ื•ืขืจ ื“ื•ืจืš ืฉื™ืงืŸ ื™ืœื™ื“ื–ืฉื™ื˜ืึทืžืึทื˜ ืคืขืœื“ ืคึฟืจืื’ืŸ ืฆื• ื‘ืึทืงื•ืžืขืŸ ืึท ื’ืขืฆื•ื•ื•ื ื’ืขืŸ ืขื ื˜ืคืขืจ
  • ืคืึทื ื˜ืึธื ืคืขืœื“: ื– ื“ื™ DNS ืจืขืกืึธืœื•ื•ืขืจ ืฆื• ื•ื•ืึทืจื˜ืŸ ืคึฟืึทืจ ืึท ืขื ื˜ืคืขืจ ืคื•ืŸ ื ื™ื˜-ืขื’ื–ื™ืกื˜ืึทื ื˜ ื“ืึธื•ืžื™ื™ื ื–, ืจื™ื–ืึทืœื˜ื™ื ื’ ืื™ืŸ ื ืขื‘ืขืš ืคืึธืจืฉื˜ืขืœื•ื ื’
  • ื‘ืึทืคืึทืœืŸ ืื•ื™ืฃ ืึท ื˜ืจืึทืค - ืกื•ื‘ื“ืึธืžืึทื™ืŸ: ื›ืึทืงื˜ ื”ืึธืกืฅ ืื•ืŸ ื‘ืึธื˜ื ืขืฅ DDoS ืึท ืœืขื‘ืŸ ืคืขืœื“ ืึธื‘ืขืจ ืคืึธืงื•ืก ืคื™ื™ืขืจ ืื•ื™ืฃ ืคืึทืœืฉ ืกื•ื‘ื“ืึธืžืึทื™ื ืก ืฆื• ืฆื•ื•ื™ื ื’ืขืŸ ื“ื™ ื“ื ืก ืกืขืจื•ื•ืขืจ ืฆื• ืงื•ืงืŸ ืึทืจื•ื™ืฃ ืจืขืงืึธืจื“ืก ืื•ืŸ ื ืขืžืขืŸ ืงืึธื ื˜ืจืึธืœ ืคื•ืŸ ื“ื™ ื“ื™ื ืกื˜
  • ืคืขืœื“ ื‘ืœืึทืงื™ื ื’: ืฉื™ืงื˜ ืึท ืคึผืœืึทืฅ ืคื•ืŸ ืกืคึผืึทื ืจืขืกืคึผืึธื ืกืขืก ืฆื• ืคืึทืจืฉืคึผืึทืจืŸ ื“ื ืก ืกืขืจื•ื•ืขืจ ืจืขืกื•ืจืกืŸ
  • Botnet ื‘ืึทืคืึทืœืŸ ืคื•ืŸ ื‘ืึทื ื™ืฆืขืจ ื•ื™ืกืจื™ื›ื˜: ื–ืึทืžืœื•ื ื’ ืคื•ืŸ ืงืึธืžืคึผื™ื•ื˜ืขืจืก, ืžืึธื“ืขืžืก, ืจืึธื•ื˜ืขืจืก ืื•ืŸ ืื ื“ืขืจืข ื“ืขื•ื•ื™ืกืขืก ื•ื•ืึธืก ืงืึทื ืกืึทื ื˜ืจื™ื™ื˜ ืคึผืจืึทืกืขืกื™ื ื’ ืžืึทื›ื˜ ืื•ื™ืฃ ืึท ื‘ืึทื–ื•ื ื“ืขืจ ื•ื•ืขื‘ื–ื™ื™ื˜ืœ ืฆื• ืึธื•ื•ืขืจืœืึธืึทื“ ืขืก ืžื™ื˜ ืคืึทืจืงืขืจ ืจื™ืงื•ื•ืขืก

ื“ื ืก ืึทื˜ืึทืงืก

ืึทื˜ืึทืงืก ื•ื•ืึธืก ืขืคืขืก ื ื•ืฆืŸ ื“ื ืก ืฆื• ื‘ืึทืคืึทืœืŸ ืื ื“ืขืจืข ืกื™ืกื˜ืขืžืขืŸ (ื“"ื” ื˜ืฉืึทื ื’ื™ื ื’ ื“ื ืก ืจืขืงืึธืจื“ืก ืื™ื– ื ื™ืฉื˜ ื“ืขืจ ืกื•ืฃ ืฆื™ืœ):

  • ืฉื ืขืœ ืคืœืึทืงืก
  • ืื™ื™ืŸ ืคืœืึทืงืก ื ืขื˜ื•ื•ืึธืจืงืก
  • ืฆื•ื•ื™ื™ืขื ื“ื™ืง ืคืœืึทืงืก ื ืขื˜ื•ื•ืึธืจืงืก
  • ื“ื ืก ื˜ืึทื ืึทืœื™ื ื’

ืื ืคืืœืŸ ืื•ื™ืฃ ื“ื ืก

ืึทื˜ืึทืงืก ื•ื•ืึธืก ืฆื•ืจื™ืงืงื•ืžืขืŸ ืึทืŸ IP ืึทื“ืจืขืก ื•ื•ืึธืก ืึท ืึทื˜ืึทืงืขืจ ื“ืึทืจืฃ ืคึฟื•ืŸ ืึท ื“ื ืก ืกืขืจื•ื•ืขืจ:

  • ื“ื ืก ืกืคึผืึธืึธืคื™ื ื’ ืึธื“ืขืจ ืงืึทืฉ ืคืึทืจืกืึทืžื•ื ื’
  • ื“ื ืก ื™ื ื˜ืขืจืกืขืคึผืฉืึทืŸ

ื•ื•ืึธืก ืื™ื– DNSSEC?

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

DNSSEC - ืคืขืœื“ ื ืึธืžืขืŸ ืกืขืจื•ื•ื™ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ืžืึธื“ื•ืœืขืก - ื–ืขื ืขืŸ ื’ืขื ื™ืฆื˜ ืฆื• ื•ื•ืึทืœืึทื“ื™ื™ื˜ ื“ื ืก ืจืขืงืึธืจื“ืก ืึธืŸ ืฆื• ื•ื•ื™ืกืŸ ื“ื™ ืึทืœื’ืขืžื™ื™ื ืข ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืคึฟืึทืจ ื™ืขื“ืขืจ ืกืคึผืขืฆื™ืคื™ืฉ ื“ื ืก ื‘ืขื˜ืŸ.

DNSSEC ื ื™ืฆื˜ ื“ื™ื’ื™ื˜ืึทืœ ืกื™ื’ื ืึทื˜ื•ืจืข ืงื™ื– (PKI) ืฆื• ื‘ืึทืฉื˜ืขื˜ื™ืงืŸ ืึทื– ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ืคื•ืŸ ืึท ืคืขืœื“ ื ืึธืžืขืŸ ืึธื ืคึฟืจืขื’ ื–ืขื ืขืŸ ืคึฟื•ืŸ ืึท ื’ื™ืœื˜ื™ืง ืžืงื•ืจ.
ื™ืžืคึผืœืึทืžืขื ื˜ื™ื ื’ DNSSEC ืื™ื– ื ื™ื˜ ื‘ืœื•ื™ื– ืึทืŸ ื‘ืขืกื˜ืขืจ ืคื™ืจ ืื™ืŸ ื“ื™ ืื™ื ื“ื•ืกื˜ืจื™ืข, ืึธื‘ืขืจ ืื•ื™ืš ื™ืคืขืงื˜ื™ื•ื•ืœื™ ืึทื•ื•ื•ื™ื“ื– ืจื•ื‘ึฟ ื“ื ืก ืื ืคืืœืŸ.

ื•ื•ื™ DNSSEC ืึทืจื‘ืขื˜

DNSSEC ืึทืจื‘ืขื˜ ืกื™ืžืึทืœืขืจืœื™ ืฆื• TLS / HTTPS, ื ื™ืฆืŸ ืฆื™ื‘ื•ืจ / ืคึผืจื™ื•ื•ืึทื˜ ืฉืœื™ืกืœ ืคึผืขืจื– ืฆื• ื“ื™ื“ื–ืฉืึทื˜ืึทืœื™ ืฆื™ื™ื›ืŸ ื“ื ืก ืจืขืงืึธืจื“ืก. ืึทืœื’ืขืžื™ื™ื ืข ืื™ื‘ืขืจื‘ืœื™ืง ืคื•ืŸ ื“ืขื ืคึผืจืึธืฆืขืก:

  1. ื“ื ืก ืจืขืงืึธืจื“ืก ื–ืขื ืขืŸ ื’ืขื—ืชืžืขื˜ ืžื™ื˜ ืึท ืคึผืจื™ื•ื•ืึทื˜ ืื•ืŸ ืคึผืจื™ื•ื•ืึทื˜ ืฉืœื™ืกืœ ืคึผืึธืจ
  2. ืจืขืกืคึผืึธื ืกืขืก ืฆื• DNSSEC ืคึฟืจืื’ืŸ ืึทื ื˜ื”ืึทืœื˜ืŸ ื“ื™ ื’ืขื‘ืขื˜ืŸ ืคึผืึธื–ื™ืฆื™ืข, ื•ื•ื™ ื’ืขื–ื•ื ื˜ ื•ื•ื™ ื“ื™ ื›ืกื™ืžืข ืื•ืŸ ืขืคื ื˜ืœืขืš ืฉืœื™ืกืœ
  3. ื“ืขืžืึธืœื˜ ืฆื™ื‘ื•ืจ ืฉืœื™ืกืœ ื’ืขื•ื•ื™ื™ื ื˜ ืฆื• ืคืึทืจื’ืœื™ื™ึทื›ืŸ ื“ื™ ืึธื˜ืึทื ื˜ื™ืกื™ื˜ื™ ืคื•ืŸ ืึท ืจืขืงืึธืจื“ ืื•ืŸ ืึท ื›ืกื™ืžืข

ื“ื ืก ืกืขืงื•ืจื™ื˜ื™ ืื•ืŸ ื“ื ืกืกืขืง

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

DNSSEC ืื™ื– ืึท ื’ืขืฆื™ื™ึทื’ ืคึฟืึทืจ ืงืึธื ื˜ืจืึธืœื™ืจื•ื ื’ ื“ื™ ืึธืจื ื˜ืœืขื›ืงื™ื™ึทื˜ ืคื•ืŸ ื“ื ืก ืงื•ื•ื™ืจื™ื–. ื“ืึธืก ืงืขืŸ ื ื™ืฉื˜ ื•ื•ื™ืจืงืŸ ื“ื™ ืคึผืจื™ื•ื•ืึทื˜ืงื™ื™ื˜ ืคื•ืŸ DNS. ืื™ืŸ ืื ื“ืขืจืข ื•ื•ืขืจื˜ืขืจ, DNSSEC ืงืขื ืขืŸ ื’ืขื‘ืŸ ืื™ืจ ื‘ื˜ื—ื•ืŸ ืึทื– ื“ืขืจ ืขื ื˜ืคืขืจ ืฆื• ื“ื™ื™ืŸ ื“ื ืก ืึธื ืคึฟืจืขื’ ืื™ื– ื ื™ืฉื˜ ืกืคึผืึธืึธืคืขื“, ืึธื‘ืขืจ ืงื™ื™ืŸ ืึทื˜ืึทืงืขืจ ืงืขื ืขืŸ ื–ืขืŸ ื“ื™ ืจืขื–ื•ืœื˜ืึทื˜ืŸ ื•ื•ื™ ื–ื™ื™ ื–ืขื ืขืŸ ื’ืขืฉื™ืงื˜ ืฆื• ืื™ืจ.

DoT - DNS ืื™ื‘ืขืจ TLS

Transport Layer Security (TLS) ืื™ื– ืึท ืงืจื™ืคึผื˜ืึธื’ืจืึทืคื™ืง ืคึผืจืึธื˜ืึธืงืึธืœ ืคึฟืึทืจ ืคึผืจืึทื˜ืขืงื˜ื™ื ื’ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืื™ื‘ืขืจ ืึท ื ืขืฅ ืคึฟืึทืจื‘ื™ื ื“ื•ื ื’. ืึทืžืึธืœ ืึท ื–ื™ื›ืขืจ TLS ืคึฟืึทืจื‘ื™ื ื“ื•ื ื’ ืื™ื– ื’ืขื’ืจื™ื ื“ืขื˜ ืฆื•ื•ื™ืฉืŸ ื“ืขื ืงืœื™ืขื ื˜ ืื•ืŸ ื“ื™ ืกืขืจื•ื•ืขืจ, ื“ื™ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ื“ืึทื˜ืŸ ื–ืขื ืขืŸ ื™ื ืงืจื™ืคึผื˜ื™ื“ ืื•ืŸ ืงื™ื™ืŸ ื™ื ื˜ืขืจืžื™ื“ื™ืขืจื™ื– ืงืขื ืขืŸ ื–ืขืŸ ืขืก.

ื˜ืœืก ืžืขืจืกื˜ ืงืึทืžืึทื ืœื™ ื’ืขื ื™ืฆื˜ ื•ื•ื™ ืึท ื˜ื™ื™ืœ ืคื•ืŸ HTTPS (SSL) ืื™ืŸ ื“ื™ื™ืŸ ื•ื•ืขื‘ ื‘ืœืขื˜ืขืจืขืจ, โ€‹โ€‹ื•ื•ื™ื™ึทืœ ืจื™ืงื•ื•ืขืก ื–ืขื ืขืŸ ื’ืขืฉื™ืงื˜ ืฆื• ื–ื™ื›ืขืจ ื”ื˜ื˜ืคึผ ืกืขืจื•ื•ืขืจืก.

DNS-over-TLS (DNS over TLS, DoT) ื ื™ืฆื˜ ื“ื™ TLS ืคึผืจืึธื˜ืึธืงืึธืœ ืฆื• ืขื ืงืจื™ืคึผื˜ ื•ื“ืคึผ ืคืึทืจืงืขืจ ืคึฟืึทืจ ื ืึธืจืžืึทืœ ื“ื ืก ืคึฟืจืื’ืŸ.
ืขื ืงืจื™ืคึผื˜ื™ื ื’ ื“ื™ ืจื™ืงื•ื•ืขืก ืื™ืŸ ืงืœืึธืจ ื˜ืขืงืกื˜ ื”ืขืœืคึผืก ื‘ืึทืฉื™ืฆืŸ ื“ื™ ื ื™ืฆืขืจืก ืึธื“ืขืจ ืึทืคึผืœืึทืงื™ื™ืฉืึทื ื– ื•ื•ืึธืก ืžืึทื›ืŸ ื“ื™ ืจื™ืงื•ื•ืขืก ืคื•ืŸ ืงื™ื™ืคืœ ืื ืคืืœืŸ.

  • ืžื™ื˜ื, ืึธื“ืขืจ "ืžืขื ื˜ืฉ ืื™ืŸ ื“ื™ ืžื™ื˜ืœ": ืึธืŸ ืขื ืงืจื™ืคึผืฉืึทืŸ, ืึท ื™ื ื˜ืขืจืžื™ื“ื™ื™ื˜ ืกื™ืกื˜ืขื ืฆื•ื•ื™ืฉืŸ ื“ืขื ืงืœื™ืขื ื˜ ืื•ืŸ ืึท ืึทื˜ืึธืจืึทื˜ื™ื™ื˜ื™ื•ื• ื“ื ืก ืกืขืจื•ื•ืขืจ ืงืขืŸ ืคึผืึทื˜ืขื ื˜ืฉืึทืœื™ ืฉื™ืงืŸ ืคืึทืœืฉ ืึธื“ืขืจ ื’ืขืคืขืจืœืขืš ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ืฆื• ื“ืขื ืงืœื™ืขื ื˜ ืื™ืŸ ืขื ื˜ืคืขืจ ืฆื• ืึท ื‘ืงืฉื”
  • ืฉืคึผื™ืึธื ืึทื–ืฉ ืื•ืŸ ื˜ืจืึทืงื™ื ื’: ืึธืŸ ื‘ืขื˜ืŸ ืขื ืงืจื™ืคึผืฉืึทืŸ, ืขืก ืื™ื– ื’ืจื™ื ื’ ืคึฟืึทืจ ื™ื ื˜ืขืจืžื™ื“ื™ื™ื˜ ืกื™ืกื˜ืขืžืขืŸ ืฆื• ื–ืขืŸ ื•ื•ืึธืก ื–ื™ื™ื˜ืœืขืš ืึท ื‘ืึทื–ื•ื ื“ืขืจ ื‘ืึทื ื™ืฆืขืจ ืึธื“ืขืจ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ืื™ื– ืึทืงืกืขืกื˜. ื›ืึธื˜ืฉ ืขืก ื•ื•ืขื˜ ื ื™ื˜ ื–ื™ื™ืŸ ืžืขื’ืœืขืš ืฆื• ื•ื•ื™ืกืŸ ื“ื™ ืกืคึผืขืฆื™ืคื™ืฉ ื‘ืœืึทื˜ ื‘ืื–ื•ื›ื˜ ืื•ื™ืฃ ื“ืขื ืคึผืœืึทืฅ ืคึฟื•ืŸ DNS ืึทืœื™ื™ืŸ, ื ืึธืจ ื•ื•ื™ืกืŸ ื“ื™ ื’ืขื‘ืขื˜ืŸ ื“ืึธื•ืžื™ื™ื ื– ืื™ื– ื’ืขื ื•ื’ ืฆื• ืคืึธืจืขื ืึท ืคึผืจืึธืคื™ืœ ืคื•ืŸ ืึท ืกื™ืกื˜ืขื ืึธื“ืขืจ ืึท ื™ื—ื™ื“.

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“
ืžืงื•ืจ: Irvine ืื•ื ื™ื•ื•ืขืจืกื™ื˜ืขื˜ ืคื•ืŸ ืงืึทืœื™ืคืึธืจื ื™ืึท

ื“ืึธื” - ื“ื ืก ืื™ื‘ืขืจ ื”ื˜ื˜ืคึผืก

ื“ื ืก-ืื™ื‘ืขืจ-ื”ื˜ื˜ืคึผืก (ื“ื ืก ืื™ื‘ืขืจ ื”ื˜ื˜ืคึผืก, ื“ืึธื”) ืื™ื– ืึทืŸ ื™ืงืกืคึผืขืจืžืขื ืึทืœ ืคึผืจืึธื˜ืึธืงืึธืœ ืคึผืจืึธืžืึธื˜ืขื“ ืฆื•ื–ืึทืžืขืŸ ื“ื•ืจืš ืžืึธื–ื™ืœืœืึท ืื•ืŸ Google. ื“ื™ ืฆื™ืœืŸ ื–ืขื ืขืŸ ืขื ืœืขืš ืฆื• ื“ื™ ื“ืึธื˜ ืคึผืจืึธื˜ืึธืงืึธืœ - ืขื ื›ืึทื ืกื™ื ื’ ื“ื™ ืคึผืจื™ื•ื•ืึทื˜ืงื™ื™ื˜ ืคื•ืŸ ืžืขื ื˜ืฉืŸ ืื•ื™ืฃ ื“ืขืจ ืื™ื ื˜ืขืจื ืขืฅ ื“ื•ืจืš ืขื ืงืจื™ืคึผื˜ื™ื ื’ ื“ื ืก ืจื™ืงื•ื•ืขืก ืื•ืŸ ืจืขืกืคึผืึธื ืกืขืก.

ื ืึธืจืžืึทืœ ื“ื ืก ืงื•ื•ื™ืจื™ื– ื–ืขื ืขืŸ ื’ืขืฉื™ืงื˜ ืื™ื‘ืขืจ UDP. ืจื™ืงื•ื•ืขืก ืื•ืŸ ืจืขืกืคึผืึธื ืกืขืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ื˜ืจืึทืงื˜ ืžื™ื˜ ืžื›ืฉื™ืจื™ื ืึทื–ืึท ื•ื•ื™ ื•ื•ื™ืจืขืฉืึทืจืง. ื“ืึธื˜ ื™ื ืงืจื™ืคึผื˜ ื“ื™ ืจื™ืงื•ื•ืขืก, ืึธื‘ืขืจ ื–ื™ื™ ื–ืขื ืขืŸ ื ืึธืš ื™ื™ื“ืขื ืึทืคื™ื™ื“ ื•ื•ื™ ืคืขืจืœื™ ื‘ื•ื™ืœืขื˜ UDP ืคืึทืจืงืขืจ ืื•ื™ืฃ ื“ื™ ื ืขืฅ.

ื“ืึธื” ื ืขืžื˜ ืึท ืึทื ื“ืขืจืฉ ืฆื•ื’ืึทื ื’ ืื•ืŸ ืกืขื ื“ื– ื™ื ืงืจื™ืคึผื˜ื™ื“ ื”ืึธืกื˜ื ืึทืžืข ื”ืึทื›ืœืึธื˜ืข ืจื™ืงื•ื•ืขืก ืื™ื‘ืขืจ ื”ื˜ื˜ืคึผืก ืงืึทื ืขืงืฉืึทื ื– ื•ื•ืึธืก ืงื•ืง ื•ื•ื™ ืงื™ื™ืŸ ืื ื“ืขืจืข ื•ื•ืขื‘ ื‘ืขื˜ืŸ ืื™ื‘ืขืจ ื“ื™ ื ืขืฅ.

ื“ืขืจ ื“ื™ืกื˜ื™ื ื’ืงืฉืึทืŸ ื”ืื˜ ื–ื™ื™ืขืจ ื•ื•ื™ื›ื˜ื™ืง ื™ืžืคึผืœืึทืงื™ื™ืฉืึทื ื– ืคึฟืึทืจ ื‘ื™ื™ื“ืข ืกื™ืกื˜ืขื ืึทื“ืžื™ื ื™ืกื˜ืจืึทื˜ืึธืจืก ืื•ืŸ ืฆื•ืงื•ื ืคึฟื˜ ื ืึธืžืขืŸ ื”ืึทื›ืœืึธื˜ืข.

  1. ื“ื ืก ืคึฟื™ืœื˜ืจื™ืจื•ื ื’ ืื™ื– ืึท ืคึผืจืึธืกื˜ ื•ื•ืขื’ ืฆื• ืคื™ืœื˜ืขืจ ื•ื•ืขื‘ ืคืึทืจืงืขืจ ืฆื• ื‘ืึทืฉื™ืฆืŸ ื™ื•ื–ืขืจื– ืคื•ืŸ ืคื™ืฉื™ื ื’ ืื ืคืืœืŸ, ืžืึทืœื•ื•ืึทืจืข ื–ื™ื™ื˜ืœืขืš ืึธื“ืขืจ ืื ื“ืขืจืข ืคึผืึทื˜ืขื ื˜ืฉืึทืœื™ ืฉืขื“ืœืขืš ืื™ื ื˜ืขืจื ืขื˜ ืึทืงื˜ื™ื•ื•ื™ื˜ืขื˜ืŸ ืื•ื™ืฃ ืึท ืคึฟื™ืจืžืข ื ืขืฅ. ื“ื™ ื“ืึธื” ืคึผืจืึธื˜ืึธืงืึธืœ ื‘ื™ื™ืคึผืึทืกื™ื– ื“ื™ ืคื™ืœื˜ืขืจืก, ืคึผืึทื˜ืขื ื˜ืฉืึทืœื™ ื™ืงืกืคึผืึธื•ื–ื™ื ื’ ื ื™ืฆืขืจืก ืื•ืŸ ื“ื™ ื ืขืฅ ืฆื• ื”ืขื›ืขืจ ืจื™ื–ื™ืงื™ืจืŸ.
  2. ืื™ืŸ ื“ื™ ืงืจืึทื ื˜ ื ืึธืžืขืŸ ื”ืึทื›ืœืึธื˜ืข ืžืึธื“ืขืœ, ื™ืขื“ืขืจ ืžื™ื˜ืœ ืื•ื™ืฃ ื“ื™ ื ืขืฅ, ืื™ืŸ ืขื˜ืœืขื›ืข ืžืึธืก, ื ืขืžื˜ ื“ื ืก ืจื™ืงื•ื•ืขืก ืคึฟื•ืŸ ื“ืขืจ ื–ืขืœื‘ื™ืงืขืจ ืึธืจื˜ (ืคื•ืŸ ืึท ืกืคึผืขืกื™ืคื™ืขื“ ื“ื ืก ืกืขืจื•ื•ืขืจ). DoH, ืื•ืŸ ืกืคึผืขืฆื™ืขืœ ื“ื™ ื™ืžืคึผืœืึทืžืขื ื˜ื™ื™ืฉืึทืŸ ืคื•ืŸ Firefox, ื•ื•ื™ื™ึทื–ืŸ ืึทื– ื“ืึธืก ืงืขืŸ ื˜ื•ื™ืฉืŸ ืื™ืŸ ื“ืขืจ ืฆื•ืงื•ื ืคึฟื˜. ื™ืขื“ืขืจ ืึทืคึผืœืึทืงื™ื™ืฉืึทืŸ ืื•ื™ืฃ ืึท ืงืึธืžืคึผื™ื•ื˜ืขืจ ืงืขื ืขืŸ ื‘ืึทืงื•ืžืขืŸ ื“ืึทื˜ืŸ ืคึฟื•ืŸ ืคืึทืจืฉื™ื“ืขื ืข ื“ื ืก ืงื•ื•ืืœืŸ, ื•ื•ืึธืก ืžืื›ื˜ ื˜ืจืึธื•ื‘ืœืขืฉืึธืึธื˜ื™ื ื’, ื–ื™ื›ืขืจื”ื™ื™ื˜ ืื•ืŸ ืจื™ื–ื™ืงื™ืจืŸ ืžืึธื“ืขืœื™ื ื’ ืคื™ืœ ืžืขืจ ืฉื•ื•ืขืจ.

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“
ืžืงื•ืจ: www.varonis.com/blog/what-is-powershell

ื•ื•ืึธืก ืื™ื– ื“ื™ ื—ื™ืœื•ืง ืฆื•ื•ื™ืฉืŸ DNS ืื™ื‘ืขืจ TLS ืื•ืŸ DNS ืื™ื‘ืขืจ HTTPS?

ืœืึธืžื™ืจ ืึธื ื”ื™ื™ื‘ืŸ ืžื™ื˜ DNS ืื™ื‘ืขืจ TLS (DoT). ื“ืขืจ ืคืึธืงื•ืก ื“ืึธ ืื™ื– ืึทื– ื“ืขืจ ืึธืจื™ื’ื™ื ืขืœ ื“ื ืก ืคึผืจืึธื˜ืึธืงืึธืœ ืื™ื– ื ื™ืฉื˜ ืžืึทื“ืึทืคื™ื™ื“, ืึธื‘ืขืจ ืคืฉื•ื˜ ื˜ืจืึทื ืกืžื™ื˜ื˜ืขื“ ืกื™ืงื™ื•ืจืœื™ ืื™ื‘ืขืจ ืึท ื–ื™ื›ืขืจ ืงืึทื ืึทืœ. ื“ืึธื” ืœื™ื™ื’ื˜ ื“ื ืก ืื™ืŸ ื”ื˜ื˜ืคึผ ืคึฟืึธืจืžืึทื˜ ืื™ื™ื“ืขืจ ืื™ืจ ืžืึทื›ืŸ ืจื™ืงื•ื•ืขืก.

ื“ื ืก ืžืึธื ื™ื˜ืึธืจื™ื ื’ ืึทืœืขืจืฅ

ื“ื ืก ื–ื™ื›ืขืจื”ื™ื™ื˜ ื’ื™ื™ื“

ืงืขื ืขืŸ ืฆื• ื™ืคืขืงื˜ื™ื•ื•ืœื™ ืžืึธื ื™ื˜ืึธืจ DNS ืคืึทืจืงืขืจ ืื•ื™ืฃ ื“ื™ื™ืŸ ื ืขืฅ ืคึฟืึทืจ ืกืึทืกืคึผื™ืฉืึทืก ืึทื ืึทืžืึทืœื™ื– ืื™ื– ืงืจื™ื˜ื™ืฉ ืคึฟืึทืจ ืคืจื™ ื“ื™ื˜ืขืงืฉืึทืŸ ืคื•ืŸ ืึท ื‘ืจื™ื˜ืฉ. ื ื™ืฆืŸ ืึท ื’ืขืฆื™ื™ึทื’ ื•ื•ื™ Varonis Edge ื•ื•ืขื˜ ื’ืขื‘ืŸ ืื™ืจ ื“ื™ ืคื™ื™ื™ืงื™ื™ื˜ ืฆื• ื‘ืœื™ื™ื‘ืŸ ืื•ื™ืฃ ืฉืคึผื™ืฅ ืคื•ืŸ ืึทืœืข ื•ื•ื™ื›ื˜ื™ืง ืžืขื˜ืจื™ืงืก ืื•ืŸ ืฉืึทืคึฟืŸ ืคึผืจืึธื•ืคื™ื™ืœื– ืคึฟืึทืจ ื™ืขื“ืขืจ ื—ืฉื‘ื•ืŸ ืื•ื™ืฃ ื“ื™ื™ืŸ ื ืขืฅ. ืื™ืจ ืงืขื ืขืŸ ืฉื˜ืขืœืŸ ืึทืจื•ื™ืฃ ืึทืœืขืจืฅ ืฆื• ื–ื™ื™ืŸ ื“ื–ืฉืขื ืขืจื™ื™ื˜ืึทื“ ื•ื•ื™ ืึท ืจืขื–ื•ืœื˜ืึทื˜ ืคื•ืŸ ืึท ืงืึธืžื‘ื™ื ืึทืฆื™ืข ืคื•ืŸ โ€‹โ€‹ืึทืงืฉืึทื ื– ื•ื•ืึธืก ืคืึทืœืŸ ืื™ื‘ืขืจ ืึท ืฆื™ื™ื˜.

ืžืึธื ื™ื˜ืึธืจื™ื ื’ DNS ืขื ื“ืขืจื•ื ื’ืขืŸ, ื—ืฉื‘ื•ืŸ ืœืึธื•ืงื™ื™ืฉืึทื ื–, ืื•ืŸ ืขืจืฉื˜ืขืจ-ืฆื™ื™ึทื˜ ื ื•ืฆืŸ ืื•ืŸ ืึทืงืกืขืก ืฆื• ืฉืคึผื™ืจืขื•ื•ื“ื™ืง ื“ืึทื˜ืŸ, ืื•ืŸ ืึทื•ื˜-ืคื•ืŸ-ืฉืขื” ืึทืงื˜ื™ื•ื•ื™ื˜ืขื˜ืŸ ื–ืขื ืขืŸ ื‘ืœื•ื™ื– ืึท ื‘ื™ืกืœ ืคื•ืŸ ื“ื™ ืžืขื˜ืจื™ืงืก ื•ื•ืึธืก ืงืขื ืขืŸ ื–ื™ื™ืŸ ืงืึทืžืคึผืขืจื“ ืฆื• ื‘ื•ื™ืขืŸ ืึท ื‘ืจื™ื™ื˜ืขืจืขืจ ื‘ื™ืœื“ ืคื•ืŸ ื“ื™ื˜ืขืงืฉืึทืŸ.

ืžืงื•ืจ: www.habr.com

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’