[Internet-e-architetture-di-rete] esercizio DNS, SMTP, HTTP

[Antonio Prado]

On 12/19/16 11:41 PM, Sabrina Palanca via
Internet-e-architetture-di-rete wrote:
> WWW
> telnet www.quirinale.it 80
> Trying 193.108.205.18...
> Connected to www.quirinale.it.
> Escape character is '^]'.
> GET /leg17/1 HTTP/1.1

cos'e' questo URI relativo?

> MAIL
> telnet mx-ext3.palazzochigi.it 25
> Trying 195.66.9.244...
> 550 5.1.1 <postmaster at palazzochigi.it>: Recipient address rejected: 
> undeliverable address: host relay.ironport[195.66.10.6] said: 550 #5.1.0 

cosa succede qua tra 195.66.9.244 e 195.66.10.6?

> 
> WWW
> telnet www.palazzochigi.it 80
> Trying 195.66.10.19...
> Connected to www.palazzochigi.it.
> Escape character is '^]'.
GET / HTTP/1.1
HOST: www.palazzochigi.it
> Connection closed by foreign host.

manca un CR LF

grazie
--
antonio

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