Netværkssikkerhed
Netværkssikkerhed
Netværkssikkerhed
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Applikationslaget<br />
HELO itu.dk<br />
MAIL FROM: <br />
RCPT TO: <br />
DATA<br />
Bla bla bla<br />
.<br />
QUIT<br />
ping<br />
application HTTP Telnet FTP SMTP DNS<br />
09/10/2012 ITU 7.9<br />
SNMP<br />
socket = new Socket("smtp.mail.dk",25);<br />
out= new PrintStream(socket.getOutputStream());<br />
inp= new DataInputStream(socket.getInputStream());<br />
inp.readLine();<br />
out.println("HELO bar.com”);<br />
inp.readLine();<br />
out.println("MAIL FROM:");