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3. Sthnontas ena Firewall

3.1 Apaithseis Syskeywn (Hardware)

Gia to paradeigma mas, o ypologisths einai enas 486-DX66 me 16MB RAM kai 500MB katatmhsh Linux. Ayto to susthma exei duo kartes diktuoy, h mia syndedemenh sto topiko proswpiko sas diktyo (LAN) kai h allh me to diktyo poy kaloume Apostratikopoihmenh Zwnh (DMZ De-Militarize Zone). H A.Z. (DMZ) exei ena dromologhth me sundesh sto Internet.

Ayto einai ena wraio topiko sthsimo gia epixeirhseis. Mporeite na xrhsimopoihsete mia karta diktuoy kai ena modem me RRR sto Internet. To 8ema einai o firewall na exei duo IR ari8mous diktuoy.

Gnwrizw oti arketa atoma exoyn mikra topika diktya (LANs) sto spiti me duo h treis H/Y epanw. Kati poy prepei na skefthte einai na balete ola ta modem sas se ena koyti Linux (isws se ena palio 386) kai na syndesete ola sto Internet me fortwmenh isosta8mish. Me ayto to sthsimo otan ena mono proswpo trabaei dedomena 8a mporei na xrhsimopoiei amfotera ta modems diplasiazontas th taxuthta sundeshs :-)


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