IPv6 Der Debian Router: Unterschied zwischen den Versionen

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(14 dazwischenliegende Versionen desselben Benutzers werden nicht angezeigt)
Zeile 6: Zeile 6:
 
*Routen hinter unseren Switch setzen
 
*Routen hinter unseren Switch setzen
 
*Firewall anpassen
 
*Firewall anpassen
 +
=Netzwerk=
 +
* cat /etc/network/interfaces
 +
<pre>
 +
auto ens3
 +
iface ens3 inet static
 +
address 172.30.34.2/24
 +
gateway 172.30.34.1
 +
 +
iface ens3 inet6 static
 +
address 2a02:24d8:71:2441::2/64
 +
gateway 2a02:24d8:71:2441::1
 +
 +
 +
auto ens4
 +
iface ens4 inet static
 +
address 192.168.44.1/24
 +
post-up ip -4 route add 192.168.45.0/24 via 192.168.44.2
 +
post-up ip -4 route add 192.168.46.0/24 via 192.168.44.2
 +
 +
 +
iface ens4 inet6 static
 +
address 2a02:24d8:71:2444::1/64
 +
post-up ip -6 route add 2a02:24d8:71:2445::0/64 via 2a02:24d8:71:2444::2
 +
post-up ip -6 route add 2a02:24d8:71:2446::0/64 via 2a02:24d8:71:2444::2
 +
</pre>
 +
;Hochfahren
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*ifup -va
 +
 +
=Namerver=
 +
*cat /etc/resolv.conf
 +
nameserver  2001:4860:4860::8888
 +
nameserver  8.8.8.8
 +
search linuggs.de
 +
 +
=Forwarding=
 +
*cat /etc/sysctl.conf
 +
net.ipv6.conf.all.forwarding = 1
 +
net.ipv4.ip_forward=1
 +
;Aktivkieren
 +
*sysctl -p
 +
 +
=Firewall=
 +
*cat /etc/nftables.conf
 +
 +
<pre>
 +
#!/usr/sbin/nft -f
 +
 +
flush ruleset
 +
 +
table inet filter {
 +
chain input {
 +
type filter hook input priority filter;
 +
}
 +
chain forward {
 +
type filter hook forward priority filter;
 +
}
 +
chain output {
 +
type filter hook output priority filter;
 +
}
 +
}
 +
 +
table ip nat {
 +
chain postrouting {
 +
type nat hook postrouting priority 100;
 +
oif ens3 masquerade
 +
}
 +
}
 +
</pre>
 +
;aktivieren
 +
*nft -f /etc/nftables.conf

Aktuelle Version vom 17. September 2024, 11:56 Uhr

Wir werden am Anfang 3 Dinge machen

  • IPv6 und IPv4 für WAN und LAN setzen
  • Default IPv6 und IPv4 Route setzen
  • IPv6 Forwarding einschalten
  • IPv4 Forwarding einschalten
  • Routen hinter unseren Switch setzen
  • Firewall anpassen

Netzwerk

  • cat /etc/network/interfaces
auto ens3
iface ens3 inet static
 address 172.30.34.2/24 
 gateway 172.30.34.1

iface ens3 inet6 static
 address 2a02:24d8:71:2441::2/64
 gateway 2a02:24d8:71:2441::1


auto ens4
iface ens4 inet static
 address 192.168.44.1/24
 post-up ip -4 route add 192.168.45.0/24 via 192.168.44.2 
 post-up ip -4 route add 192.168.46.0/24 via 192.168.44.2 


iface ens4 inet6 static
 address 2a02:24d8:71:2444::1/64
 post-up ip -6 route add 2a02:24d8:71:2445::0/64 via 2a02:24d8:71:2444::2
 post-up ip -6 route add 2a02:24d8:71:2446::0/64 via 2a02:24d8:71:2444::2
Hochfahren
  • ifup -va

Namerver

  • cat /etc/resolv.conf
nameserver  2001:4860:4860::8888
nameserver  8.8.8.8
search linuggs.de

Forwarding

  • cat /etc/sysctl.conf
net.ipv6.conf.all.forwarding = 1
net.ipv4.ip_forward=1
Aktivkieren
  • sysctl -p

Firewall

  • cat /etc/nftables.conf
#!/usr/sbin/nft -f

flush ruleset

table inet filter {
	chain input {
		type filter hook input priority filter;
	}
	chain forward {
		type filter hook forward priority filter;
	}
	chain output {
		type filter hook output priority filter;
	}
}

table ip nat {
	chain postrouting {
		type nat hook postrouting priority 100;
		oif ens3 masquerade
	 }
}
aktivieren
  • nft -f /etc/nftables.conf