{"id":32659,"date":"2019-10-31T21:48:15","date_gmt":"2019-10-31T18:48:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/hozhdenie-po-mukam-ili-shifrovanie-trafika-v-direct-connect-ch-3\/"},"modified":"2019-10-31T21:48:15","modified_gmt":"2019-10-31T18:48:15","slug":"hozhdenie-po-mukam-ili-shifrovanie-trafika-v-direct-connect-ch-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/hozhdenie-po-mukam-ili-shifrovanie-trafika-v-direct-connect-ch-3","title":{"rendered":"At g\u00e5 gennem lidelser eller Kryptering af trafik i Direct Connect, del 3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Og ingen h\u00e6lder unge vine i gamle skind; ellers vil den unge vin briste skindet, og den vil l\u00f8be ud, og skindet vil g\u00e5 i stykker; men unge vine skal h\u00e6ldes i nye skind; s\u00e5 bevares b\u00e5de det og det andet.<\/i> Lk. 5:37,38<\/p>\n

I april i \u00e5r meddelte administrationen af den st\u00f8rste DC hub i verden, at de havde begyndt at st\u00f8tte sikre forbindelser. Lad os se, hvad der kom ud af det.<\/a><\/noindex><\/p>\n

Translate to English<\/a><\/noindex><\/p>\n

Frihed til samvittighed<\/b><\/p>\n

Da alt, hvad jeg t\u00e6nkte om dette, allerede er blevet sagt tidligere<\/a><\/noindex>, skulle denne del af artiklen slet ikke have v\u00e6ret.<\/p>\n

Hvis sikkerhed er n\u00f8dvendig, skal du v\u00e6lge en moderne klient og ADCs hub<\/a><\/noindex>. Punktum.<\/p><\/blockquote>\n

Men hvad nu hvis man alligevel bruger NMDC hub, dvs. almindelig<\/i>? \u0412 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u0440\u0438\u0434\u0451\u0442\u0441\u044f \u0441\u0442\u043e\u043b\u043a\u043d\u0443\u0442\u044c\u0441\u044f \u0441 \u043d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0441\u0442\u0430\u0440\u044b\u0445, \u043e\u0447\u0435\u043d\u044c \u0441\u0442\u0430\u0440\u044b\u0445, \u043d\u043e\u0432\u044b\u0445 \u0438\u043b\u0438 \u043f\u0440\u043e\u0441\u0442\u043e \u043d\u0435\u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u0445 DC \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432. \u041d\u043e \u2013 \u044d\u0442\u043e \u0431\u044b\u043b\u043e \u0441\u0434\u0435\u043b\u0430\u043d\u043e, \u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043d\u0435 \u0437\u0430\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0441\u0435\u0431\u044f \u0436\u0434\u0430\u0442\u044c.<\/p>\n

Mafia<\/b><\/p>\n

For det f\u00f8rste etableres sikre \"client-client\" forbindelser uafh\u00e6ngigt af tilstedev\u00e6relsen af \"client-hub\" kryptering.<\/p>\n

For det andet er det umuligt visuelt at identificere en hub, der transmitterer eller ikke transmitterer anmodninger om sikre forbindelser.<\/p>\n

For det tredje er kryptering af forbindelser i dag stort set aktiveret som standard i n\u00e6sten alle DC klienter.<\/p>\n

Husker I? Og nu lad os tjekke<\/a><\/noindex> TLS-indstillingerne p\u00e5 brugerens side, forbinde til hub'en og omhyggeligt pr\u00f8ve at forbinde klienterne med hinanden.<\/p>\n

NMDCs hub<\/b><\/p>\n

\"At
\n
\nDC++ afviser kategorisk sikre forbindelser p\u00e5 NMDC hubs, men godkender helt almindelige. \u00c5rsagen har udviklerne gentagne gange n\u00e6vnt \u2013 der er ingen grund til at g\u00e5 p\u00e5 gamle reddikser!<\/p>\n

StrongDC++ underst\u00f8tter kun TLS v.1.0, og moderne klienter forbinder slet ikke med den. Med GreylinkDC++ er det endnu v\u00e6rre.<\/p>\n

FlylinkDC++ falder villigt tilbage til kompatibilitetsmode med gamle klienter. Men hvor l\u00e6nge vil det vare, og er det overhovedet n\u00f8dvendigt?..<\/p>\n

EiskaltDC++ g\u00f8r det samme mindre villigt, kun for eget brug.<\/p>\n

ADC hub(ene)<\/b><\/p>\n

\"At
\n
\nDet er helt det samme, men DC++ deltager aktivt i spillet.<\/p>\n

EiskaltDC++, synes ikke at skelne mellem NMDC og ADC hubs, strengt overfor begge.<\/p>\n

Og hvis man filtrerer gamle klienter, ved at g\u00f8re det obligatorisk at st\u00f8tte TLS v.1.2 p\u00e5 indgangen?..<\/p>\n

ADCs hub(ene)<\/b><\/p>\n

\"At
\n
\nFantastisk, ikke?<\/p>\n

Konklusioner<\/b><\/p>\n

L\u00e6seren kan t\u00e6nke, at det er bedst at bruge FlylinkDC++ og ikke have problemer, men man glemmer, at denne klient er problematisk<\/a><\/noindex> i sig selv. En af de seneste kendte h\u00e6ndelser med den \u2013 at mange brugere ikke fik aktiveret muligheden for sikre forbindelser via en ekstern konfiguration, samt faktisk ingen st\u00f8tte i alle tidligere versioner.<\/p>\n

Som f\u00f8lge af mange historiske og politiske grunde er det besv\u00e6rligt eller helt umuligt at bruge NMDCs hubber som base for sikre peer-to-peer-forbindelser. Ved at bruge NMDCs hub f\u00e5r du garanteret mistet muligheden for at forbinde med en del brugere, men i stedet f\u00e5r du sikkerhed \u2013 dog uden garantier.<\/p>\n

Anbefalinger<\/b><\/p>\n

Begynd at bruge ADC-hubber, selv p\u00e5 forkant. Giv slip p\u00e5 for\u00e6ldede klienter, og hvis du er administrator for en DC-hub, s\u00e5 blok\u00e9r Strong og Gray hos dig. For den som<\/p>\n

Ethvert rige, der er delt indbyrdes, vil blive \u00f8delagt; og enhver by eller hus, der er delt indbyrdes, vil ikke st\u00e5 fast.<\/i> Matth\u00e6us 12:25
\n
Kilde: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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