Microcom Modem + Leased Line

[I.Ioannou]

On 01-Mar-99 Elias Giannopoulos wrote:
> Isos i erotisi moy einai xazi alla eimai neos sto linux !!!

H monh xazh erwthsh einai ayth pou den ginetai katholou :-)

> Ti xreiazete na kano gia na balo DNS (yparxei idi sto NT) kai na kano
> routing sto modem ???

Distixws, den einai apantisi pou mporei na dwthei se ena e-mail
analitika. Periexei gnwseis recompile kernel, seiarkis, modem leased,
ppp, routing, firewalling, name server, k.o.k. Se genikes grammes : 

Kaneis recompile kernel an den exei hdh option forwarding/firewall. An
malista to eswteriko diktio den exei dikies tou static IPs (ebgene apo
to NT me kati san WinGate) prepei na baleis kai masquarade me oles tis
paraplisies. 
Bazeis ta modem na milane mona toys, asxeta an einai panw se computer i
oxi (leased mode, nomizw to jumper 10 sto modem sou).

shkwneis pppd panw stho ttyS? pou einai to modem xwris script, mono me
swsta fiagmeno to /etc/ppp/options kai /etc/ppp/options.ttyS? (opou ?
0, 1, klp h seiraikh sou).

Tsekareis oti to pppd sou exei fiaksei swsta to route table (me thn
entolh route), kaneis kana dyo ping kai traceroute apo to linux pros ta
eksw. 

Fiaxneis swsta toys kanones firewall (edw kai an den ginetai analitiki
apantisi). Bazeis ta clients na exoun gateway to Linux. An malista
sikwseis kai name server (des ta manual tou bind) sto linux, ta bazeis
na exoun kai name server (primary) to linux.

Prepei na diabaseis : PPP-HOWTO, IP-Masquarade (mini howto) , DNS-HOWTO,
pithanon Firewall-HOWTO, k.o.k.

H alliws, plhrwneis kapoion poio empeiro sto Linux na sta stisei :-)

I.Ioannou <roryt at hol.gr>
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