ื•ื•ื™ื™ึทื˜ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ OpenBSD IPv6 ืึธื ืœื™ื™ื’ืŸ

ืื™ืŸ ื“ืขืจ ื”ื™ื ื˜ืขืจื’ืจื•ื ื˜ ืคึผืจืึธืฆืขืก ืกืœืึทืงื“, ื•ื•ืึธืก ืื™ื– ืคืึทืจืึทื ื˜ื•ื•ืึธืจื˜ืœืขืš ืคึฟืึทืจ IPv6 ืึทื“ืจืขืก ืึทื•ื˜ืึธืงืึธื ืคื™ื’ื•ืจืึทื˜ื™ืึธืŸ (IPv6 ืกื˜ื™ื™ื˜ืœืขืกืก ืึทื“ืจืขืก ืึทื•ื˜ืึธืงืึธื ืคื™ื’ื•ืจืึทื˜ื™ืึธืŸ, RFC 4862) ืื™ืŸ OpenBSD, ืึท ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ื– ื™ื™ื“ืขื ืึทืคื™ื™ื“ ื•ื•ืึธืก ืคื™ืจื˜ ืฆื• ืึท ื‘ืึทืคืขืจ ืึธื•ื•ื•ืขืจืคืœืึธื• ื•ื•ืขืŸ ืจื™ืกื™ื•ื•ื™ื ื’ ืึท ืกืคึผืขืฆื™ืขืœ ื“ื™ื–ื™ื™ื ื“ IPv6 ืจืึทื•ื˜ืขืจ ืึทื“ (RA, ืจืึทื•ื˜ืขืจ ืึทื“) .

ื˜ื›ื™ืœืขืก, ื“ื™ IPv6 ืึทื“ืจืขืก ืึทื•ื˜ืึธืงืึทื ืคื™ื’ื™ืขืจื™ื™ืฉืึทืŸ ืคืึทื ื’ืงืฉืึทื ืึทืœื™ื˜ื™ ืื™ื– ื™ืžืคึผืœืึทืžืขื ืึทื“ ืื•ื™ืฃ ื“ื™ ืงืขืจืŸ ืžื“ืจื’ื”, ืึธื‘ืขืจ ืกื˜ืึทืจื˜ื™ื ื’ ืžื™ื˜ OpenBSD 6.2, ืขืก ืื™ื– ืืจื™ื‘ืขืจื’ืขืคืืจืŸ ืฆื• ืึท ื‘ืึทื–ื•ื ื“ืขืจ ืึทื ืคึผืจื™ื•ื•ื™ืœืึทื“ื–ืฉื“ ืกืœืึทืงื“ ืคึผืจืึธืฆืขืก. ื“ืขืจ ืคึผืจืึธืฆืขืก ืื™ื– ืคืึทืจืึทื ื˜ื•ื•ืึธืจื˜ืœืขืš ืคึฟืึทืจ ืฉื™ืงื˜ ืจืก (ืจืึธื•ื˜ืขืจ ืกืึทืœื™ืกื™ื˜ืึทื˜ื™ืึธืŸ) ืึทืจื˜ื™ืงืœืขืŸ ืื•ืŸ ืคึผืึทืจืกื™ื ื’ RA (ืจืึธื•ื˜ืขืจ ื’ืึทื ืฆืข) ืจืขืกืคึผืึธื ืกืขืก ืžื™ื˜ ืื™ื ืคึฟืึธืจืžืึทืฆื™ืข ื•ื•ืขื’ืŸ ื“ื™ ืจืึทื•ื˜ืขืจ ืื•ืŸ ื ืขืฅ ืงืฉืจ ืคึผืึทืจืึทืžืขื˜ืขืจืก.

ืื™ืŸ ืคืขื‘ืจื•ืืจ, slaacd ืคืึทืจืคืขืกื˜ื™ืงื˜ ืึท ื–ืฉื•ืง ื•ื•ืึธืก ื’ืขืคึฟื™ืจื˜ ืขืก ืฆื• ืงืจืึทืš ืื•ื™ื‘ 7 ืกืขืจื•ื•ืขืจืก ื–ืขื ืขืŸ ืกืคึผืขืกื™ืคื™ืขื“ ืื™ืŸ ื“ื™ RDNSS (ืจืขืงื•ืจืกื™ื•ื•ืข ื“ื ืก ืกืขืจื•ื•ืขืจืก) ืจืฉื™ืžื”. ื“ืขื ืคืึทืจื–ืข ื’ืขืฆื•ื™ื’ืŸ ื“ื™ ื•ืคืžืขืจืงื–ืึทืžืงื™ื™ื˜ ืคื•ืŸ ืคืจื™ื™ึท ืจื™ืกืขืจื˜ืฉืขืจื– ื•ื•ืึธืก ื’ืขืคืจื•ื•ื•ื˜ ืฆื• ื•ื ื˜ืขืจื–ื•ื›ืŸ ื“ื™ ืกืœืึทืงื“ ืงืึธื“ ืคึฟืึทืจ ืื ื“ืขืจืข ืขืจืจืึธืจืก ื•ื•ืึธืก ืคืึทืœืŸ ื•ื•ืขืŸ ืคึผืึทืจืกื™ื ื’ ืคืขืœื“ืขืจ ืื™ืŸ RA ืึทืจื˜ื™ืงืœืขืŸ. ื“ื™ ืึทื ืึทืœื™ืกื™ืก ื’ืขื•ื•ื™ื–ืŸ ืึทื– ืขืก ืื™ื– ืืŸ ืื ื“ืขืจ ืคึผืจืึธื‘ืœืขื ืื™ืŸ ื“ื™ ืงืึธื“, ื•ื•ืึธืก ืžืึทื ืึทืคืขืกื˜ ื–ื™ืš ื•ื•ืขืŸ ืคึผืจืึทืกืขืกื™ื ื’ ื“ื™ DNSSL (DNS ื–ื•ืš ืจืฉื™ืžื”) ืคืขืœื“, ื•ื•ืึธืก ื›ื•ืœืœ ืจืฉื™ืžื•ืช ืคื•ืŸ ืคืขืœื“ ื ืขืžืขืŸ ืื•ืŸ ื‘ืึทืœืขื‘ืึธืก ื˜ืขืžืคึผืœืึทื˜ืขืก ืคึฟืึทืจ ื“ื ืก.

ื™ืขื“ืขืจ ื ืึธืžืขืŸ ืื™ืŸ ื“ื™ DNSSL ืจืฉื™ืžื” ืื™ื– ืงืึธื“ืขื“ ืžื™ื˜ ืึท ื ืึทืœ ื“ืขืœื™ืžื™ื˜ืขืจ ืื•ืŸ ื™ื ืขืจื•ื•ื™ื ื™ื ื’ ืื™ื™ืŸ-ื‘ื™ื˜ืข ื˜ืึทื’ืก ื•ื•ืึธืก ื‘ืึทืฉื˜ื™ืžืขืŸ ื“ื™ ื’ืจื™ื™ืก ืคื•ืŸ ื“ื™ ื“ืึทื˜ืŸ ื•ื•ืึธืก ื’ื™ื™ื˜. ื“ื™ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ื– ื’ืขืคึฟื™ืจื˜ ื“ื•ืจืš ื“ื™ ืคืึทืงื˜ ืึทื– ืื™ืŸ ื“ืขืจ ืจืฉื™ืžื” ืคึผืึทืจืกื™ื ื’ ืงืึธื“, ืึท ืคืขืœื“ ืžื™ื˜ ืึท ื’ืจื™ื™ืก ืื™ื– ืงืึทืคึผื™ื“ ืื™ืŸ ืึท ื‘ื™ื™ึทื˜ืขื•ื•ื“ื™ืง ืžื™ื˜ ืึท ื’ืขื—ืชืžืขื˜ ื™ื ื˜ืึทื“ื–ืฉืขืจ ื˜ื™ืคึผ ("len = ื“ืึทื˜ืŸ [ืคึผืึธืก]"). ืึทืงืงืึธืจื“ื™ื ื’ืœื™, ืื•ื™ื‘ ืึท ื•ื•ืขืจื˜ ืื™ื– ืกืคึผืขืกื™ืคื™ืขื“ ืื™ืŸ ื“ื™ ืคืขืœื“ ืžื™ื˜ ื“ื™ ืžืขืจืกื˜ ื‘ืึทื˜ื™ื™ึทื˜ื™ืง ื‘ื™ืกืœ ืฉื˜ืขืœืŸ, ื“ืขื ื•ื•ืขืจื˜ ื•ื•ืขื˜ ื–ื™ื™ืŸ ื‘ืืžืขืจืงื˜ ืื™ืŸ ื“ื™ ืงืึทื ื“ื™ืฉืึทื ืึทืœ ืึธืคึผืขืจืึทื˜ืึธืจ ื•ื•ื™ ืึท ื ืขื’ืึทื˜ื™ื•ื• ื ื•ืžืขืจ ืื•ืŸ ื“ื™ ื˜ืฉืขืง ืคึฟืึทืจ ื“ื™ ืžืึทืงืกื™ืžื•ื ืึทืœืึทื•ืึทื‘ืึทืœ ื’ืจื™ื™ืก ("ืื•ื™ื‘ (len> 63 || len + pos) + 1 > datalen) {โ€œ) ื•ื•ืขื˜ ื ื™ืฉื˜ ืึทืจื‘ืขื˜ืŸ, ื•ื•ืึธืก ื•ื•ืขื˜ ืจืขื–ื•ืœื˜ืึทื˜ ืื™ืŸ ืึท ืจื•ืคืŸ ืฆื• ืžืขืžืคึผื™ ืžื™ื˜ ืึท ืคึผืึทืจืึทืžืขื˜ืขืจ ื•ื•ืขืžืขื ืก ื’ืจื™ื™ืก ืคื•ืŸ ื“ื™ ืงืึทืคึผื™ื“ ื“ืึทื˜ืŸ ื™ืงืกื™ื“ื– ื“ื™ ื‘ืึทืคืขืจ ื’ืจื™ื™ืก.

ื•ื•ื™ื™ึทื˜ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ OpenBSD IPv6 ืึธื ืœื™ื™ื’ืŸ
ื•ื•ื™ื™ึทื˜ ื•ื•ืึทืœื ืขืจืึทื‘ื™ืœื™ื˜ื™ ืื™ืŸ OpenBSD IPv6 ืึธื ืœื™ื™ื’ืŸ


ืžืงื•ืจ: opennet.ru

ืœื™ื™ื’ืŸ ืึท ื‘ืึทืžืขืจืงื•ื ื’