August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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14.21. Wykorzystanie usługi SSH bez hasła
Problem
Zawarte w skrypcie odwołanie do usługi SSH lub programu scp musi być zrealizowane bez użycia hasła. Analogiczny problem występuje w przypadku umieszczenia takiego odwołania w definicji zadania cron[2].
Ostrzeżenie
Protokół SSH1 oraz związane z nim pliki wykonywalne są uznawane za przedawnione i gwarantują niższy poziom bezpieczeństwa niż nowy protokół SSH2, implementowany przez zespoły OpenSSH i SSH Communication Security. Z uwagi na istotną przewagę algorytmu SSH2 i oprogramowania OpenSSH rozwiązania bazujące na protokole SSH1 nie będą w książce opisywane.
Rozwiązanie
Istnieją dwa sposoby wykorzystania usługi SSH bez konieczności wprowadzania haseł — dobry i zły. Błędna metoda polega na użyciu klucza ...
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