SSH Two-Factor Authentication

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ื”ื•ืจื“ื•ืช
ืกื™ื•ื•ื’ ืชื•ื›ืŸ
ื›ื•ืœื
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš
ืฆื™ืœื•ื ืžืกืš

ืžื™ื“ืข ืขืœ ื”ืืคืœื™ืงืฆื™ื” ื”ื–ื•

ื™ื™ืฉื•ื ื–ื” ืžื™ื•ืขื“ SSH ืฉื ื™ ืื™ืžื•ืช ื’ื•ืจื.
ื“ืจืš ืงืœื” ื•ืžืื•ื‘ื˜ื—ืช ืœื”ื’ืŸ ืขืœ ืฉืจืชื™ื ืžืคื ื™ ื’ื™ืฉื” ืœื ืžื•ืจืฉื™ืช.

ืื–ื”ืจื”:
** ืขื‘ื•ืจ: System-Administrators
** ืฆืจื›ื™ื ืชื•ื›ื ืช ืฆื“ ืฉืœื™ืฉื™ ืœื”ื™ื•ืช ืžื•ืชืงืŸ

ืฉื™ื ืœื‘ ื›ื™ ื™ื™ืฉื•ื ื–ื” ื“ื•ืจืฉ ืื™ื ื˜ืจื ื˜ ืžืฉื ื™ ื”ืฆื“ื“ื™ื ืขื‘ื•ืจ ืชื›ื•ื ื” ืžืœืื”.

ืขืœ ื”ื™ื™ืฉื•ื:
ย - ื–ื”ื• ื™ื™ืฉื•ื ืžื™ื•ืขื“ ืื‘ื˜ื—ื” ื‘ืจืžื” ื”ืฉื ื™ื™ื” ื”ืขืœื™ื•ื ื” ืขืœ ื’ื™ืฉื” SSH.
ย - ืœื›ืŸ ื™ื™ืฉื•ื ื–ื” ื”ื•ืคืขืœ ืื ื”ืชื—ื‘ืจื•ืช ื‘ื”ืฆืœื—ื” ืขืฉื” ื‘ืืžืฆืขื•ืช SSH.

ืื™ืš ื–ื” ืขื•ื‘ื“?
ย - ืืชื” ืจืง ืฆืจื™ืš ืœืงืžืคืœ ื•ืœื”ืชืงื™ืŸ ืงื•ื‘ืฅ. Cpp, ื•ืœืื—ืจ ืžื›ืŸ ืฉื•ืจื” ืื—ืช ื ื•ืกืคืช ื‘ืกื•ืฃ ื”ืงื•ื‘ืฅ sshd_config.
ย - ืœืื—ืจ ื›ื ื™ืกื” SSH ื‘ื”ืฆืœื—ื” ืขืฉื” ืืช ื”ืงื•ื‘ืฅ ื”ื‘ื™ื ืืจื™ ื”ืžื•ืคืขืœ ื‘ืื•ืคืŸ ื–ืžื ื™ ืžื—ืœื™ืฃ ื›ืœ ืคื’ื–, ื›ืš ืžื ื’ื ื•ืŸ ืฉื ื™ ื’ื•ืจื ืžืชื—ื™ืœ ื‘ืฉืœื‘ ื–ื”.
ย - ืคืฉื•ื˜ ืคืชื— ืืช ื”ืืคืœื™ืงืฆื™ื” ื‘ื˜ืœืคื•ืŸ ื•ื”ืจืฉืื” ืชืชื‘ืงืฉ ืขืœ ื™ื“ื™ ื”ื ื—ื™ื”.

ืขืœ ืคื™ ื—ื•ืงื™ GDPR ื•ืžื“ื™ื ื™ื•ืช ืคืจื˜ื™ื•ืช ืื—ืจืช, ื ื™ืชืŸ ืœืงืจื•ื ืืช ื”ืคืจื˜ื™ื ื”ืžืคื•ืจื˜ื™ื ืœื”ืœืŸ, ืฉื™ืจื•ืช ื–ื” ืขืฉื•ื™ ืœืื—ืกืŸ ืžื™ื“ืข ืคืจื˜ื™ ื›ื’ื•ืŸ ื“ื’ื ื˜ืœืคื•ืŸ, ืชืืจื™ืš ื”ื’ืขื”, ื ื™ืกื™ื•ื ื•ืช ื›ื ื™ืกื”, ื›ืชื•ื‘ืช IP ื•ื›ืชื•ื‘ืช ื“ื•ื"ืœ. ืื ื• ืžืื—ืกื ื™ื ืžื™ื“ืข ืžืื•ื“ ืžืื•ื‘ื˜ื—ืช ื•ืžื•ืฆืคื ืช. ื›ืžื• ื›ืŸ ืื ื• ืžืฉืชืžืฉื™ื ื‘ื”ืฆืคื ื” ืงืฉื”, ื•ื“ื ื›ื™ ื”ืžื“ื™ื ื” ืฉืœืš ืžืืคืฉืจืช ืฉื™ืžื•ืฉ ื‘ื”ืฆืคื ื”.

ืžืืคื™ื™ื ื™ื:
ย - ืขื‘ื•ื“ื” ืขื ื›ืœ ืกื•ื’ ืฉืœ ืคื’ื–, ืชื•ืžืš sftp ื• rsync ื’ื ื›ืŸ.
ย - ืจื™ืฉื•ื ื›ืœ ื ื™ืกื™ื•ื ื•ืช ื”ืชื—ื‘ืจื•ืช
ย - (ื—ื“ืฉ) ืงื™ื‘ื•ืฅ, ืืชื” ื™ื›ื•ืœ ื›ืขืช ืœืฉืชืฃ ืืช ื›ืœ ื”ืงื‘ื•ืฆื” ื‘ื™ืŸ ื—ืฉื‘ื•ื ื•ืช
ย - (ื—ื“ืฉ) 3 ืกื•ื’ื™ื ืฉืœ ืžื ื’ื ื•ื ื™ ืื™ืžื•ืช, ืžืชื™ืจื ื™, ืงืคื“ื ื™, ืžื•ืฉื‘ืช
ย ย ย - ืžืชื™ืจื ื™: ืœืืคืฉืจ ืขื›ืฉื™ื• ื‘ืžืฉืš 6 ืฉืขื•ืช ื”ืื—ืจื•ื ื•ืช ื›ืœ ืกื•ื’ ืฉืœ ื”ืชื—ื‘ืจื•ืช ืขื ืื•ืชื• IP ื•ืงื‘ื•ืฆื”.
ย ย ย - ืงืคื“ื ื™ืช: ืชืžื™ื“ ืฆืจื™ืš ืื™ืžื•ืช
ย ย ย - ืžื•ืฉื‘ืช: ืื™ืžื•ืช ืฉื ื™ ื’ื•ืจืžื™ื ืžื•ืฉื‘ืช ืืš ืžื—ื•ื‘ืจ.
ย - ื™ื™ืฉื•ื ื–ื” ืžื‘ื—ื™ื ื” ื˜ื›ื ื™ืช ืœื ื™ื›ื•ืœ ืœืจืื•ืช ืกื™ืกืžืื•ืช SSH.
ย - ืขื ื–ืืช ื™ื™ืฉื•ื ื–ื” ื”ื•ื ื”ืขืœื™ื•ืŸ ืฉืœ ืฉื›ื‘ืช SSH ืื‘ืœ ืขืฆืžืื™ืช ืœื—ืœื•ื˜ื™ืŸ ื•ืœื›ืŸ ืœื ื ื™ืชืŸ ืœื”ืฉืชืžืฉ ื‘ืชื•ืจ ืื—ื•ืจื™ืช ื•ืื™ื ื• ืœื”ื—ืœื™ืฃ ื›ืœ ืคื•ื ืงืฆื™ื•ืช SSH.

ืœืžื” ื–ื” ืžืื•ื“ ืฉื™ืžื•ืฉื™?
ย - 99% ืฉืœ ื”ืฆืœื—ื” "ssh-break-in" ื”ืชืงืคื” ื ื™ืชืŸ ืœื”ืงืœ
ย - ื™ื•ืžื ื™ื. ื•ืืช ืืœื” ืกื•ื’ ืฉืœ ื™ื•ืžื ื™ ืขืฆืžืื™ืช.
ย - ืœื ืœื”ืื˜ ืื•ืชืš, ืืชื” ืœื ืฆืจื™ืš ืœื”ื™ื•ืช ืžืื•ืžืช ื›ืœ ื”ื–ืžืŸ
ย - ืื™ืžื•ืช ืžื‘ื•ืกืก ื—ืฉื‘ื•ืŸ, ื›ืš ืฉืื ืื™ื‘ื“ืช ืืช ื”ืžื›ืฉื™ืจ ืคืฉื•ื˜ ื”ืชื—ื‘ืจ ืฉื•ื‘

ืชืžื™ื“ ืœืจืฉื•ื ืืช ืžืคืชื—ื•ืช ื”ื—ื™ืจื•ื ืฉืœืš ื•ืœื‘ื“ื•ืง ืืช ื–ื” ื›ื“ื™ ืœืžื ื•ืข ื ืขื™ืœื” ืขืฆืžืš.
ื™ืฉ ืื™ืžื•ืช ืœื ืžืงื•ื•ืŸ ืื ื™ืฉ ืœืš ื‘ืขื™ื•ืช ืจืฉืช ืœืคื™ ื–ืžืŸ ืืชื’ืจ ืืฉืจ ื™ื›ื•ืœ ืœื”ื™ื•ืช ืžื•ืชืื.

** ืœืชืฉื•ืžืช ืœื‘ืš, ืชื•ื›ื ื” ื–ื• ื ืžืฆืืช ื›ืขืช ื‘ืฉืœื‘ BETA, ื”ื™ื ืขืฉื•ื™ื” ืœื”ื›ื™ืœ ื‘ืื’ื™ื **
ืขื“ื›ื•ืŸ ืื—ืจื•ืŸ ื‘ืชืืจื™ืš
11 ื‘ืื•ืงืณ 2021

ืื‘ื˜ื—ืช ื ืชื•ื ื™ื

ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื”ื‘ื˜ื™ื—ื•ืช ืฆืจื™ืš ืงื•ื“ื ื›ืœ ืœื”ื‘ื™ืŸ ืื™ืš ื”ืžืคืชื—ื™ื ืื•ืกืคื™ื ื•ืžืฉืชืคื™ื ืืช ื”ื ืชื•ื ื™ื ืฉืœืš. ื ื•ื”ืœื™ ืคืจื˜ื™ื•ืช ื”ื ืชื•ื ื™ื ื•ืื‘ื˜ื—ืช ื”ื ืชื•ื ื™ื ืขืฉื•ื™ื™ื ืœื”ืฉืชื ื•ืช ื‘ื”ืชืื ืœืฉื™ืžื•ืฉ, ืœืื–ื•ืจ ื•ืœื’ื™ืœ ื”ืžืฉืชืžืฉ. ื”ืžืคืชื— ืกื™ืคืง ืืช ื”ืžื™ื“ืข ื”ื–ื” ื•ื”ื•ื ืขืฉื•ื™ ืœืขื“ื›ืŸ ืื•ืชื• ืžื“ื™ ืคืขื.
ืœื ืžืชื‘ืฆืข ืฉื™ืชื•ืฃ ื ืชื•ื ื™ื ืขื ืฆื“ื“ื™ื ืฉืœื™ืฉื™ื™ื
ื”ืืคืœื™ืงืฆื™ื” ื”ื–ืืช ืขืฉื•ื™ื” ืœืืกื•ืฃ ืืช ืกื•ื’ื™ ื”ื ืชื•ื ื™ื ื”ืืœื”
ืคืจื˜ื™ื ืื™ืฉื™ื™ื, ืคืขื™ืœื•ืช ื‘ืืคืœื™ืงืฆื™ื•ืช ื•-2 ื ื•ืกืคื™ื
ื”ื ืชื•ื ื™ื ืžื•ืฆืคื ื™ื ื‘ื–ืžืŸ ื”ื”ืขื‘ืจื”
ื‘ืืคืฉืจื•ืชืš ืœื‘ืงืฉ ืฉื ืชื•ื ื™ื ื™ื™ืžื—ืงื•

ืžื” ื—ื“ืฉ?

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ืชืžื™ื›ื” ื‘ืืคืœื™ืงืฆื™ื”

ืžื™ื“ืข ืขืœ ืžืคืชื—ื™ ื”ืืคืœื™ืงืฆื™ื”
Hlavaji Viktor
davies@npulse.net
Budapest Kisvรกrda utca 11 1171 Hungary
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