Cyber Security I. Netzplan: Unterschied zwischen den Versionen

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Zeile 52: Zeile 52:
 
*cat /etc/resolv.conf  
 
*cat /etc/resolv.conf  
 
  nameserver 78.47.133.194
 
  nameserver 78.47.133.194
−
  search lab34.linuggs.de  
+
  search it34.xinmen.de
 
;Netzwerk
 
;Netzwerk
 
*cat /etc/network/interfaces
 
*cat /etc/network/interfaces
Zeile 60: Zeile 60:
 
   gateway 172.26.55.1
 
   gateway 172.26.55.1
 
;Hostnamen setzen
 
;Hostnamen setzen
−
*hostnamectl set-hostname opfer.lab34.linuggs.de
+
*hostnamectl set-hostname www.it.xinmen.de
 
;Lokale Hostnamensauflösung
 
;Lokale Hostnamensauflösung
 
*cat /etc/hosts
 
*cat /etc/hosts
 
  127.0.0.1 localhost.localdomain localhost
 
  127.0.0.1 localhost.localdomain localhost
 
  ::1 localhost6.localdomain6 localhost6
 
  ::1 localhost6.localdomain6 localhost6
−
  '''172.26.55.2   opfer.lab34.linuggs.de opfer'''
+
  '''127.0.0.1   www.xinmen.de www'''
 
  # The following lines are desirable for IPv6 capable hosts
 
  # The following lines are desirable for IPv6 capable hosts
 
  ::1    localhost ip6-localhost ip6-loopback
 
  ::1    localhost ip6-localhost ip6-loopback
Zeile 72: Zeile 72:
 
  ff02::2 ip6-allrouters
 
  ff02::2 ip6-allrouters
 
  ff02::3 ip6-allhosts
 
  ff02::3 ip6-allhosts
 +
 
=Portforwarding=
 
=Portforwarding=
 
*192.168.12.34:9923 -> 172.26.55.2:22
 
*192.168.12.34:9923 -> 172.26.55.2:22
 
*192.168.12.34:9924 -> 172.26.53.52:22
 
*192.168.12.34:9924 -> 172.26.53.52:22

Version vom 22. August 2025, 13:44 Uhr

Übersicht

IPv4

  • gateway 192.168.Y.254
  • nameserver 78.47.133.194
  • externe Domain labXX.linuggs.de
  • interne Domain labXX.int
Teilnehmer Labor Netz Haupt-IP Zweite-IP CLIENTS SERVER DMZ
TN01 lab00 172.26.0.0/22 192.168.Y.21 192.168.Y.41 172.26.1.0/24 172.26.2.0/24 172.26.3.0/24
TN02 lab04 172.26.4.0/22 192.168.Y.22 192.168.Y.42 172.26.5.0/24 172.26.6.0/24 172.26.7.0/24
TN03 lab08 172.26.8.0/22 192.168.Y.23 192.168.Y.43 172.26.9.0/24 172.26.10.0/24 172.26.11.0/24
TN04 lab0c 172.26.12.0/22 192.168.Y.24 192.168.Y.44 172.26.13.0/24 172.26.14.0/24 172.26.15.0/24
TN05 lab10 172.26.16.0/22 192.168.Y.25 192.168.Y.45 172.26.17.0/24 172.26.18.0/24 172.26.19.0/24
TN06 lab14 172.26.20.0/22 192.168.Y.26 192.168.Y.46 172.26.21.0/24 172.26.22.0/24 172.26.23.0/24
TN07 lab18 172.26.24.0/22 192.168.Y.27 192.168.Y.47 172.26.25.0/24 172.26.26.0/24 172.26.27.0/24
TN08 lab1c 172.26.28.0/22 192.168.Y.28 192.168.Y.48 172.26.29.0/24 172.26.30.0/24 172.26.31.0/24
TN09 lab20 172.26.32.0/22 192.168.Y.29 192.168.Y.49 172.26.33.0/24 172.26.34.0/24 172.26.35.0/24
TN10 lab24 172.26.36.0/22 192.168.Y.30 192.168.Y.50 172.26.37.0/24 172.26.38.0/24 172.26.39.0/24
TN11 lab28 172.26.40.0/22 192.168.Y.31 192.168.Y.51 172.26.41.0/24 172.26.42.0/24 172.26.43.0/24
TN12 lab2c 172.26.44.0/22 192.168.Y.32 192.168.Y.52 172.26.45.0/24 172.26.46.0/24 172.26.47.0/24
TN13 lab30 172.26.48.0/22 192.168.Y.33 192.168.Y.53 172.26.49.0/24 172.26.50.0/24 172.26.51.0/24
TN14 lab34 172.26.52.0/22 192.168.Y.34 192.168.Y.54 172.26.53.0/24 172.26.54.0/24 172.26.55.0/24

Weiteres

Offizielle Zertifikate
drawio rpm runterladen und installieren

Netzplan

Wie passe ich einen Debian/Ubuntu Rechner an

Resolver
  • cat /etc/resolv.conf
nameserver 78.47.133.194
search it34.xinmen.de
Netzwerk
  • cat /etc/network/interfaces
auto enp0s3
iface enp0s3 inet static
 address 172.26.55.2/24
 gateway 172.26.55.1
Hostnamen setzen
  • hostnamectl set-hostname www.it.xinmen.de
Lokale Hostnamensauflösung
  • cat /etc/hosts
127.0.0.1	localhost.localdomain	localhost
::1		localhost6.localdomain6	localhost6
127.0.0.1    www.xinmen.de www
# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

Portforwarding

  • 192.168.12.34:9923 -> 172.26.55.2:22
  • 192.168.12.34:9924 -> 172.26.53.52:22
Abgerufen von „http://wiki.ixheim.de/index.php?title=Cyber_Security_I._Netzplan&oldid=64370“