From: Eduard Vopicka <Eduard.Vopicka@VSE.CZ>
Subject: Re: tuhnuti Nestscape na SUnu - was Re: Podarena ochrana pa
Date: Tue, 14 Nov 1995 00:44:41 +0100
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On Nov 13, 11:39pm, Petr Skoda wrote: } Fa Sun strcila kod resolveru az do NIS (tusim, opravte me gurove) ypbind } a notoricky se traduje flag -b pri make novych map. Spis bych rekl, ze resolver se pta NIS a ne nameserveru. No a teprve NIS se pripadne zepta nameserveru. Cili bez NIS je to same "host unknown". } Ja jsem treba pouzil doporucovany } resolv+ a ten vse zaridi sam. NE. NE. NE. Vsechny resolv+, ktere jsem zatim videl, podstatnym zpusobem snizuji security SunOSu. V SunOS je totiz urcita cast kodu, ktera je v jinych systemech zpravidla soucasti in.* demonu, premistena do resolveru. Kdyz date do sdilene knihovnu resolv+, tak se ten security-related kod ze SunOSu uplne vytrati... tedy ze vsecho, co pouziva shared C library, pripadne co sestavite s novou libresolv. Navic jsem v zadne distribuci resolv+ nenasel spravnou dokumentaci, tykajici se libc.sa v souvislosti s upravou libc.so. Vysledkem pak je, ze programy, linkovane s upravenou libc.so maji velmi pomaly start. Pri spusteni jednoho programu to asi nepoznate, ale slozite scripty, ktere spousteji mnoho programu, ze zjevne zpomali. Ostatne tahle chyba v dokumentaci byla az donedavna nejen u resolv+. Pokud mate resolv+, ktery podporuje SunSecurity, velmi by mne zajimal URL. } Ja jsem pred nekolika lety s tim take zapasil } cely den a ani suport u tehdejsich dodavatelu Sunu (nechci byt adresny) } nevedel co s tim. To muzu potvrdit, tehdejsi dodavatel to skutecne nevedel. Musim ale pripustit, ze kvalita supportu nejmenovaneho dodavatele se podle meho nazoru od te doby zlepsila. Eduard Vopicka -- "Eduard Vopicka, Computing Centre, Prague University of Economics, W. Churchill Square 4, CZ 130 67 Prague 3" <Eduard.Vopicka@vse.cz>
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