qmail (overall)

[christog at cti.gr]

Hmmm oi meres pou perasan xwris na diavasw ton folder ths
linux-greek-users mallon leitourghsan 8etika (mias kai
apofygate 5 douzines mails). Eftyxws pou ta perissotera mails
htan asxeta me to Subject :)

Exoume kai leme:

On Tue, 9 Dec 1997, Christofer Karatzinis wrote:
> PS: giati enoxlei to /var/spool/mail? To na metatrepsw OLES tis
> efarmoges pou diabazoun mails kai na blepoun to mail sto $HOME/Mailbox
> mou fainete poly bareto kai dapaneiro (xronos + xrima)

To /???/spool/mail prepei na einai world writable (ektos apo orismenes
ylopoihseis pou exoun kanei olous tous MUA setgid mail). Opoiadhpote apo
tis 2 ylopoihseis yparxei possible vulnerability (ena world writable
directory h setgid mailers). For more info: deite to INSTALL.mbox sto
qmail distribution. Oso gia th metafora sto $HOME/Mailbox 8ymamai
otan eixame kanei th metafora sto ceid (>1000 accounts) oti egine me
ena foreach kai ena shell script mesa se liga defterolepta (+ xronos
metaforas arxeiwn). By the way, elpizw na prose3es ton 'sendmail'
emulator pou exei to qmail an bariesai na kaneis recompile mailers
kai na akolou8hses kai tis symboules tou F.A.Q.

On Tue, 9 Dec 1997, Sifalakis Manolis (WILLY) wrote:
>  An kai den to exw douleyei pote to programma , den tha imouna toso
> sigouros gia to an einai kalitero kai pio secure ap 'oti mporei na
> ginei ena swsta configured sendmail ...:-) . (p.x. Exei tin poly apli
> dynatotita na kanei back finger to sender enos mynimatos ?).
>  Exalou den exw dei se kanena advisory na to proteinoun ws pio secure
> apo to sendmail.

Ap' oses trypes tou sendmail mou erxontai sto myalo den mporw na 8ymh8w
kapoia pou 8a dior8wnotan me allagh sto sendmail.cf. Parallhla omws den
mporw na 8ymh8w kapoia ekdosh tou sendmail pou na mhn eixe sobara bugs.
An kai 8a htan afeles na pw oti apokleiw security bug sto qmail, apo tote
pou exei bgei (edw kai 2 xronia?) den exei bre8ei kati. Oso gia
dynatothtes
(opws les back finger) h filosofia tou qmail einai tetoia pou na mporeis
na tou ry8miseis apeira pragmata, na tou baleis diaforous dikous sou
wrappers ktl ktl. A, nai oute egw exw dei se kanena advisory na to
proteinoun ws pio secure, alla den exw dei kai kapoio SECURITY ADVISORY
gia to qmail.

On Tue, 9 Dec 1997, Christos Ricudis wrote:
> 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).

Epeidh den proti8emai na perimenw na alla3ei to design tou Unix, protimw
na alla3w to mailer daemon mou :-). A kai by the way to triptyxo ths
Gallikhs Epanastashs LIBRETE' - EGALITE' - FRATERNITE' (elef8eria -
isothta - aderfothta) den nomizw na tairiaze kai gia tous xrhstes enos
multiuser systhmatos (oloi isoi me ton root :-P). Twra gia to
diaxwrismo twn e3ousiwn exeis safws dikio (pote 8a se pai3w netris?)
(by the way otan grafeis ari8mous na les kai poia einai h ari8mhtikh
bash gia na mhn mperdevomaste)

On Thu, 11 Dec 1997, Kostas Vlassis wrote:
>     Aman paidia, nomizete oti ola ta mail tis listas
> endiaferontai na katebazoyn minimata gia to an to
> sendmail einai kalitero apo to qmail kai vice versa?
> An kai einai se poly kalo epipedo, an kai se entono
> yfos orismenes fores, ola kataligoyn sto Trash ton
> perissoteron users, nomizo.
>     O ka8e enas xrisimopoiei opoio software 8elei, kai
> ta dyo TSAMPA einai, h ef8ini anikei se afton poy kanei
> tin  epilogi, paei kai teleiose.

Nomizw pws h syzhthsh gia qmail htan arketa endiaferousa (mexri
pou alla3e 8ema syzhthshs ypo ton idio titlo). Kai den nomizw
kaneis na prospa8hse na proshlytisei h na piesei kapoion gia
allagh software, h na amfisbhthse to dikaiwma epiloghs :)

On Fri, 12 Dec 1997, Nikolas Ikonomidis wrote:
> Otan eixa epixeirhsei na egkatasthsw to qmail den ta katafera, einai
> alh8eia oti den to polu epsaksa to pragma...
> Pantws aporw giati na mhn uparxei linux me default to qmail?

Niko, ws gnwston "sth zwh yparxoun oi tyxeroi, yparxoun kai oi
Necoulides" ... Se osa systhmata exw sthsei qmail (kai dika mou
kai allwn) me "make man ; make ; make setup" ola doulevan roloi
(xwris kan warnings apo ton gcc). To qmail einai akoma sta prwta
tou bhmata, kai eimai sigouros oti se 2 xronakia 8a to dinoun kai
oi linux distributions ws default (h san epilogh). An endiaferei
th lista 8a steilw mia lista me koryfaia akadhmaika idrymata
ana ton kosmo pou xrhsimopoioun qmail.


Apanthsa se kapoia epilektika mails. Se polla zhthmata me kalypsan
o mastoras (koxaras) kai o Cristofer (chka).

Elpizw na mhn kourasa ...
DiJ


D J       ///// Costas       In a world without Fences, who needs Gates?
i n d y  /////  Christoyannis  http://students.ceid.upatras.gr/~xyannis/
J       /////   e-mail:        christog at cti.gr , xyannis at ceid.upatras.gr
_____  /////                   indy at hiway.gr, xyannis at patreas.upatras.gr
\****\/////                    [e-mail alias]        indy at olympiakos.com
 \****\///      Computer Eng & Informatics, University of Patras, Greece
  \****\/       Computer Technology Institute, UNIX System Administrator

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