Leased line....

[Vasilis Vasaitis]

On Tue, Jan 05, 1999 at 12:45:53AM +0200, George Diamantopoulos wrote:
> OK,
> As ipothesoume oti exoume ena mixanima pou exei leased line
> Kai 3 alla pc piso apo auto...
> Asta 3 auta pc douleuoun 95/98 kai ston server (to pc me tin leased)
> theloume na
> valoume linux. Ti xreiazomaste... Ola ta mixanimata exoplismena me karta
> diktiou....
> Fisika ston server theloume proxy gia http ftp kai socks kathos kai web
> server kai
> theloume na iparxei epikoinonia metaxi ton pc....
> Akouo idees kai poso diskolo einai ...
> Paidia thelo leptomereis giati oti kano tha to kano entos tis evdomados....

  Loipon, ap' oti katalavaino exeis leased line me ena IP address.
Katarxin, epeidi den ksero apo auta, i leased line sindeetai se seiriaki?
An nai eisai ok, an omos thelei kamia eidiki karta tote vevaiosou oti
iparxei ipostiriksi apo to linux.

  Kata t' alla, apo hardware to mono pou xreiazesai einai apo mia kartoula
ethernet sto kathe mixanima. Genika me 10Mbps tha eisai entaksei, opote to
olo thema vgainei arketa ftina.

  Xoris polla polla etsi exeis epikoinonia metaksi ton ipologiston tou
topikou diktiou gia oti skopo mporeis na fantasteis, eno exeis standard
tin amfidromi epikoinonia tou ipologisti me tin leased line me to
internet. Gia na vlepoun ta alla mixanimata tora to internet exeis genika
dio tropous:

  1) Na valeis proxies gia oti ipiresia theleis opos ksereis idi.
  2) Na valeis sto linux to IP-Masquerading, to opoio sou epitrepei me
diafano tropo na vlepeis to internet. Me to Masquerading ta alla
mixanimata xreiazetai apla na dilosoun auto me tin leased line os gateway
- den xreiazetai oute na trexoun linux oute na iparxei eidiki epilogi gia
proxy apo to programma pou xrisimopoieis.

  Auti einai i geniki idea. An thes perissoteres leptomereies epikoinonise
ksana. Pantos ego pou exo topiko diktio sto spiti mou (dio mixanimata) exo
kanei ligo poli auto pou sou perigrafo: otan ego mpaino sto internet me
dial-up (xrisimopoio sxedon apokleistika linux) o aderfos mou me to allo
mixanima (genika apo Win95) exei web/ftp/smtp/pop3/icq/etc. meso
Masquerading, an kai gia web eidika exo stisei proxy (squid) gia
apodotikotero caching.

  Elpizo na voithisa.

Vasilis Vasaitis
vvasaitis at waveland.org

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