From: Sergey Vlasov <vsu@altlinux.ru>
To: community@altlinux.ru
Subject: Re: [Comm] Compression disabled by peer
Date: Sun, 2 Jan 2005 12:23:10 +0300
Message-ID: <20050102092310.GA8796@sirius.home> (raw)
In-Reply-To: <108354793.20050101234751@mail.ru>
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On Sat, Jan 01, 2005 at 11:47:51PM +0300, Gorlov aka Stalker wrote:
> Jan 1 23:28:49 localhost pppd[3809]: rcvd [CCP ConfReq id=0x1 <mppe -H -M -S -L -D +C>]
18 Microsoft PPC [RFC2118]
Удалённая система предлагает использовать MPPE без поддержки
шифрования - только сжатие (Stac LZS). В ядре 2.4.26-std-*, вошедшем
в Master 2.4, есть поддержка шифрования MPPE, но нет поддержки сжатия.
> Jan 1 23:28:49 localhost pppd[3809]: rcvd [CCP ConfReq id=0x2 < 17 06 00 01 02 00>]
23 LZS-DCP [RFC1967]
Не поддерживается.
> Jan 1 23:28:49 localhost pppd[3809]: rcvd [CCP ConfReq id=0x3 < 11 05 00 01 01>]
17 Stac Electronics LZS [RFC1974]
Не поддерживается (хотя, похоже, тот же алгоритм используется и в
MPPC).
> Jan 1 23:28:49 localhost pppd[3809]: rcvd [CCP ConfReq id=0x4 < 11 05 00 01 03>]
Опять LZS, но с другими параметрами.
> Jan 1 23:28:49 localhost pppd[3809]: rcvd [CCP ConfReq id=0x5 <predictor 1>]
1 Predictor type 1 [RFC1962]
Старый алгоритм Predictor-1, малоэффективный; в ядре не
поддерживается.
Общее свойство всех этих алгоритмов - они все кем-нибудь
запатентованы, отсюда и проблемы. Хотя сжатие MPPC сейчас
поддерживается в ядре 2.6 в Сизифе.
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next prev parent reply other threads:[~2005-01-02 9:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-01 13:54 Gorlov aka Stalker
2005-01-01 17:59 ` Sergey Vlasov
2005-01-01 19:17 ` Re[2]: " Gorlov aka Stalker
2005-01-01 20:03 ` Sergey Vlasov
2005-01-01 20:47 ` Re[2]: " Gorlov aka Stalker
2005-01-01 22:41 ` Re[3]: " Gorlov aka Stalker
2005-01-02 9:23 ` Sergey Vlasov [this message]
2005-01-02 12:12 ` Re[2]: " Gorlov aka Stalker
2005-01-02 12:27 ` Valery V. Inozemtsev
2005-01-03 21:37 ` Re[2]: " Gorlov aka Stalker
2005-01-04 13:41 ` Oleg Shulga
2005-01-04 15:06 ` Re[2]: " Gorlov aka Stalker
2005-01-04 21:41 ` Re[3]: " Gorlov aka Stalker
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