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Last edited May 22, 2011
Rechnerkommunikation

Aufgabe 2.2

220 faui03.informatik.uni-erlangen.de ESMTP Postfix
HELO faui05.informatik.uni-erlangen.de
250 faui03.informatik.uni-erlangen.de
MAIL FROM: christian.dietrich@informatik.uni-erlangen.de
250 2.1.0 Ok
RCPT TO: rk@i7.informatik.uni-erlangen.de
250 2.1.5 Ok
DATA
354 End data with <CR><LF>.<CR><LF>
Subject: Gruppe 1, Mittwoch (Wirklich)
Date: Sat, 28 May 2011 09:48:06 +0200
X-Mailer: netcat6/version 1.0
Content-Type: text/plain; charset="iso-8859-1"
From: christian.dietrich@informatik.uni-erlangen.de
To: rk@i7.informatik.uni-erlangen.de

Dies ist eine reine Testmail, deren Zweck ist die Aufgabe 2.2 
zu loesen.
.
250 2.0.0 Ok: queued as 3D3993E948
QUIT
221 2.0.0 Bye
Aufgabe 2.3
Server: 131.188.0.10
Address: 131.188.0.10#53

Name: www.informatik.uni-erlangen.de
Address: 131.188.34.201
---------------------------------------------------------------
Server: 131.188.0.10
Address: 131.188.0.10#53

Non-authoritative answer:
www.yahoo.de canonical name = rc.yahoo.com.
rc.yahoo.com canonical name = rc.g01.yahoodns.net.
rc.g01.yahoodns.net canonical name = any-rc.a01.yahoodns.net.
Name: any-rc.a01.yahoodns.net
Address: 87.248.120.148
-------------------------------------------------------------
Server: 131.188.0.10
Address: 131.188.0.10#53

Non-authoritative answer:
Name: google.de
Address: 74.125.39.99
Name: google.de
Address: 74.125.39.105
Name: google.de
Address: 74.125.39.103
Name: google.de
Address: 74.125.39.106
Name: google.de
Address: 74.125.39.147
Name: google.de
Address: 74.125.39.104
Aufgabe 2.5
  • 20 April 2005 9:53:14 - 9:54:35
  • www.heise.de/193.99.144.85, heise.ivwbox.de/193.99.144.250, lwn.net/66.216.68.48
  • /newsticker/, /stil/standard.css, /stil/ho/standard.css.. 37 Stueck (Filter: http.request.method eq "GET")
  • 19/37 PNG/GIF (http.request.method eq "GET" and http.request.uri matches "gif|png")
  • 37 Requests
  • Statuscodes zaehlen ist total dummer scheisz
    • grep -o 'HTTP/... ...'  *.cap -a | sort |uniq -c
    •       1  HTTP/1.0 200
    •       1  HTTP/1.0 302
    •      31 HTTP/1.1 200
    •       1  HTTP/1.1 301
    •       3  HTTP/1.1 302
  • Server: 131.188.37.29 faui7s.informatik.uni-erlangen.de, USER ti4uebung, PASS FTP_inseCure, RETR /8fau110.txt
  • FTP: 562 Bytes, FTP-DATA: 208285 Bytes (Goethes Faust, der Tragödie erster Teil)