IT-Sichereitsaspekte in heterognen Netzwerken: Unterschied zwischen den Versionen
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*[[EINLEITUNG-LOS14|EINLEITUNG]] | *[[EINLEITUNG-LOS14|EINLEITUNG]] | ||
*[[SCHEMATISCHER AUFBAU VON HETEROGENEN NETZWERKEN-LOS14|SCHEMATISCHER AUFBAU VON HETEROGENEN NETZWERKEN]] | *[[SCHEMATISCHER AUFBAU VON HETEROGENEN NETZWERKEN-LOS14|SCHEMATISCHER AUFBAU VON HETEROGENEN NETZWERKEN]] | ||
| − | *[[ETHERNET-LOS-14|ETHERNET] | + | *[[ETHERNET-LOS-14|ETHERNET]] |
| − | + | *[[WIRELESSLAN-LOS14|WIRELESSLAN]] | |
| − | + | *[[NETWERK_TOOLS-LOS14|NETWERK TOOLS]] | |
| − | + | *[[PORTSCANNING-LOS14|PORTSCANNING]] | |
| − | + | *[[SCHACHSTELLENSUCHE UND ANALYSE-LOS14|SCHACHSTELLENSUCHE UND ANALYSE-LOS]] | |
| − | + | T ECHNISCHE G RUNDLAGEN ....................................................SCHACHSTELL...................................................................... 20 | |
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| − | T ECHNISCHE G RUNDLAGEN .......................................................................................................................... 20 | ||
WLAN-K OMPONENTEN .............................................................................................................................. 21 | WLAN-K OMPONENTEN .............................................................................................................................. 21 | ||
WLAN-S ICHERHEIT .................................................................................................................................... 22 | WLAN-S ICHERHEIT .................................................................................................................................... 22 | ||
Version vom 5. Oktober 2020, 14:51 Uhr
- EINLEITUNG
- SCHEMATISCHER AUFBAU VON HETEROGENEN NETZWERKEN
- ETHERNET
- WIRELESSLAN
- NETWERK TOOLS
- PORTSCANNING
- SCHACHSTELLENSUCHE UND ANALYSE-LOS
T ECHNISCHE G RUNDLAGEN ....................................................SCHACHSTELL...................................................................... 20 WLAN-K OMPONENTEN .............................................................................................................................. 21 WLAN-S ICHERHEIT .................................................................................................................................... 22 KAPITEL 5 NETZWERK-TOOLS....................................................................................................................24 5.1 N ETZWERK -T OOLS UNTER W INDOWS ............................................................................................................. 25 5.1.1 ARP ................................................................................................................................................ 25 5.1.2 Hostname ...................................................................................................................................... 27 5.1.3 Ipconfig .......................................................................................................................................... 27 5.1.4 NBTSTAT ........................................................................................................................................ 30 5.1.5 netstat, .......................................................................................................................................... 31 5.1.6 nslookup ........................................................................................................................................ 33 5.1.7 ping und pathping.......................................................................................................................... 34 5.1.8 traceroute/tracert.......................................................................................................................... 35 5.2 N ETZWERK -T OOLS UNTER L INUX ................................................................................................................... 36 5.2.1 ifconfig. .......................................................................................................................................... 36 5.2.2 route .............................................................................................................................................. 36 5.2.3 ping ................................................................................................................................................ 37 5.2.4 traceroute ...................................................................................................................................... 37 5.2.5 netstat ........................................................................................................................................... 37 5.2.6 telnet .............................................................................................................................................. 38 5.2.7 hping3 ............................................................................................................................................ 39 5.2.8 tcpdump ......................................................................................................................................... 39 P LATTFORM - ÜBERGREIFENDE T OOLS .......................................................................................................................... 39 5.2.9 nmap (zenmap) .............................................................................................................................. 39 5.2.10 wireshark ....................................................................................................................................... 39 Notizen .......................................................................................................................................................... 41 KAPITEL 6 PORTSCANNING (NMAP) ..........................................................................................................43 6.1 W AS IST EIGENTLICH P ORTSCANNING ? ............................................................................................................ 43 6.2 D ER S ICHERHEITSSCANNER N MAP .................................................................................................................. 43 6.2.1 Nmap Grundlagen: Port-Zustände ................................................................................................. 44