NAT/PAT erotisi

[Richard Anderson]

"A. Sidiropoylos" <msx at kil.forthnet.gr> wrote in 
news:mailman.516.1111619535.25292.linux-greek-users at lists.hellug.gr:

> Kapou edw einai to la8os sou.  Giati poly apla oti kai na katoxiroseis
> 8a katoxiro8ei sthn ejoterikh IP pou exeis. 

Nai fysika kai ta 5 free domain name tous styl www.1.gr, www.2.gr ... 
www.5.gr stin dimosia WANIP tou router tha katoxyronontan. Etsi wste kai 
ta 5 na kanoun redirect stin idia WANIP.

> Ta alla pou les peri analishs tou paketou apo ton web
> server... 8a eprepe prota na epitey8ei TCP syndesh prhn apo ayto kai
> efoso den einai efikth (afou den einai dinaton trimerhs syndesh) den
> einai dinaton na katalabei tipota.

Sosta exeis dikio. Tha prepe prota na exei ginei to handshake metaxy tou 
client kai tou server kai meta na analythei to packet content gia na 
diapistosei o server poio itan to URL pou xrisimopoiise o client.

Emei omos theloume prin parei apofasi o server an tha steilei i oxi data 
ston client na katalavei an to paketo proorizetai gia auton. Apokleietai 
na ginei kati tetoio?

Ti *akrivos* tha ginei tin stigmi pou kai oi 5 webservers paralavoun to 
idio akrivos request pou tous ekane forward o router apo tin WANIP tou?

> Opote.. eite bazeis enan apache troxonomo na akouei sthn porta 80 tis
> ejoterikhs IP 

Ma ginetai kati tetoio? Mporo na egatastiso ton Apache v2.0.53 sto 
10.0.0.1 pc kai na tou doso directiva na kanei

LISTEN 83.171.221.228:80  ?!?!

Afou o webserver tha exei egatastathei kai tha trexei sto 10.0.0.1(host) 
kai oxi sto 83.171.221.228(router).

> Oxi etsi opos les. An epsaxnes ligo akoma 8a eblepes oti
> akoma kai kata to load balancing metajh dyo triwn h kai xiliwn deka
> triwn server o ka8e client epikinonei me enan server ka8e fora.

Nai, to gnorizo pos gia otan ginetai establish mia tcp conenction ginetai 
metaxy mono 2 hosts. Ektos autou omos, egw den milaw gia load balancing 
stin Agria Dysi :-)


-- 
Just because I didnt doesnt mean I dont want to.
Just because I wouldnt doesnt mean I cant.