Re^2: qmail

[Christos Ricudis]

Hello Linux-greek-users!

In <LINUX-USERS.GR> Linux-greek-users wrote:

 L> Prwta apo ola, den eimai ili0ios na ka0isw na mpw stin nootropia tou
 L> anwmalou pou ka0ise kai skeutike pws syntasete to /etc/sendmail.cf.
 L> Isws einai powerful alla egw, 0elw enan aplo mailer-deamon kai oxi
 L> tipota mystirio.

O anwmalos poy ka8hse kai skefthke na gemisei ena configuration file me
regular expressions htan PANEKSYPNOS, kai briskw thn idea ekplhktikh. Mporei na
se tromazei sthn arxh, alla molis ma8eis deka basika pragmata gia to pws
akribws doyleyoyn ta regular expressions kai pws akribws "denei" kai leitourgei
olo to configuration toy sendmail (ela bre! ena MIKRO biblio MONO 1025 selidwn
einai!), 8a to kataagaphseis.

Oson afora thn asfaleia. To monadiko problhma asfaleias toy sendmail ofeiletai
sto malakismeno design toy unix poy dexetai mono dyo priviledge levels (edw
apodeiknyetai peritrana gia allh mia fora h stoixeiwdhs adynamia twn
mono8eistikwn 8rhskeiwn kai h adiamfisbhthth yperoxh ths arxhs toy diaxwrismoy
twn eksoysiwn poy 8espise h Gallikh epanastash). 

An kai to 8ema "security" einai poly platy kai periploko gia na dextei
aforismoys kai slogans, 8ewrw oti - me thn ennoia poy dinoyn ston oro
"asfaleia" shmera oi perissoteroi - h pleiopshfia twn Unix-based designs einai
aplws "anasfalh", kai ara aneparkh gia na kalypsoyn tis anagkes poy apaitei
ayth h "asfaleia". (kai oxi, de 8ewrw to patching kai to synexes treksimo san
lysh sto problhma ths paroxhs asfaleias, aplws giati den einai lysh).

Christos Ricudis, ricudis at paiko.gr                              2:413/11.0.
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