mia erotisoula...?

[Alexios Chouchoulas]

> to problima mou einai oti den me afinei
> to systima na kano telnet san root apo allo mixanima. o monos tropos na mpo
> san root einai apo thn consola. an exete kamia apantish i protasi dekth..

  Den einai o monos tropos. Mpes me telnet xrhsimopoiwntas to kanoniko sou
username (ypothetw oti exeis non-root username! An den exeis, apokthse) kai
dwse

$ su -
Password:
#

  (Ta '$', 'Password:' kai '#' einai prompts). :-)  Esy dineis mono "su -"
kai to password tou root.

  Yparxoun kai oi lyseis me to /etc/securetty pou proteinoun ta alla paidia,
alla:

  (a) Prospathise na apofevgeis th xrhsh tou root gia psilou phdhma. An kati
      mporeis na to kaneis ws koinos thnitos, kanto etsi.

  (b) Opws kai na'xei, to remote login tou root thewreitai sxedon panta
      apopeira gia crack. Ara kalytera na afhneis to leitourgiko sou na
      apagorevei thn apeftheias prosbash. Ta ofelh apo thn plevra ths
      asfaleias einai shmantika.

  Se periptwsh pou h prwth sou skepsh peri asfaleias einai kati san "ma
eimai monos mou, ti na thn kanw thn asfaleia?", ofeilw na se rwthsw an
xrhsimopoieis kati san PPP syndesh sto Linux sou. An nai, exeis security
risk. :-/


Alexios Chouchoulas          '88    ,88'   ,88'     alexios at vennea.demon.co.uk
The Unpronouncable One      ,o88oooo88ooooo88oo,              axc at dcs.ed.ac.uk
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