Ta Xrhsima Tutorials Toy Xrhstou Rikoudh Parousiazoyn....

[Kostas Liakakis]

"Kekes Stamatis" <skekes at internet.gr> wrote in message
news:mailman.1003320789.14221.linux-greek-users at lists.hellug.gr...
> > Skepsou omos oti ena bug den 0a se 3ebrakosei entelos...
>
> Ayto einai dikopo maxairi. Alles fores mporei na se ksevrakosei alla omso
kai
> alles fores na sou kanei ti zoi toso dyskoli pou asta na pane.

Nai men alla...

> > > 3) Wireless networks opoy einai apo dyskolo ews adynaton na
> > > kaneis eykolo access control sto MAC layer. Se megales poleis me
deployed
> > > amateur 802.11 networks hdh kapoioi arxisan na kykloforoun stoys
dromous
> > me
> > > laptops kai sniffers psaxnontas kapoio diktyo gia na bgoyn ston aera
:>
> >
> > Mpaaa... na se ypoklepsoun nai. Na bgoun ston aera mesa apo sena
> > apokleietai. 0a to
> > katalabaines eu0eis amesos. Apla kai mono giati 0a kobotan ena meros tou
> > diktyoy sou.
> > Opos kai na to koita3eis, se ena point-to-point dyktyo, mporoun na
> > synhpar3oun mono
> > dyo points.
>
> Ma se wireless den einai aparaitito apo oso ksero toulaxiston na exeis
sonei
> kai kala PPP giati yparxoun kai Wireless ethernet's opou oloi "syndeontai"
kai
> antalassoun paketa meso enos asyrmatou HUB opote apo ekei mporei kapoio na
mpei
> mesa sto diktyo sou an fysika plirei tis proypotheseis syxnotitas ktl ktl
Opote
> o Ricky ki edo exei dikio.

Sta wireless pou exeis sto myalo sou, oloi mpainoun se ena hub, sosta,
alla einai toso mikros o ari0mos ton clients pou exeis pou einai paneukolo
na eleg3eis poios einai online. Opote kai pali mono sniffing.

Ta wireless pou exo ego sto nou mou (kai pi0anon kai o Xrhstos) apoteloun
WAN diktya,
syndeoun apomakrysmenes egkatastaseis, grafeia klp. Ekei h epikoinonia
einai point-to-point (oxi aparaithta ppp, mhn to mperdeueis) meta3y tou
asyrmatou e3oplismou. Mporei kalista kapoios na amolhsei mia keraia piso apo
thn dikh sou kai na pianei ta panta. Gia na ekpempsei omos 0a prepei na
prospoih0ei kapoion apo tous sta0mou sou, 0etontas automata ton diko sou
ektos diktyou...

> Kala to reverse engineering den to apofeygeis apoti stigmi pou tha ginei
> standard kai apo ti stigmi pou malista ha kykloforisei kai o source
kodikas
> aytou tou standard se kapoia OpenSource leitourgika.

Den prokeite gia reverse engineering. Autoi oi algori0moi ypoti0etai pos den
antistrefontai xoris ta sosta kleidia (...). An prokeitai na epikrathsei ena
standard auto pou me fobizei einai pos mporei na proo0h0ei kapoio me
"gnostes" trypes.

> > Opos elega parapano, auth h polymorfia (asxetos omorfias kai tsaxpinias
klp)
> > pou yparxei me thn kryptografhsh apo thn efarmogh einai anektimhth.
>
> Kai oxi mono mporeis na enallaseis synexos ti morfi krytpografisis pragma
pou
> se kanei na aisthanesai pio secure an kai sto telos apodeiknyetai mazoxas
aytos
> pou to kanei ayto.

Mazoxas 0a einai autos pou 0a katsei na ta spasei ola me brute force
texnikes (afou den 0a exoun "trypes") prokeimenou na parakolou0ei tous
pantes. Onomata den leme... :-)

-K.