sul pc interessato, che oltretutto di solito sta dietro 2 router (quindi il firewall dovrebbe essere proprio inutile), ho configurato ufw tramite gufw, intuitivo e semplice,
l'iptables che ne esce però è piuttosto lungo. quello che mi interessa è: la configurazione che ne esce ->
Codice: Seleziona tutto
sudo iptables -L
Chain INPUT (policy DROP)
target prot opt source destination
ufw-before-input all -- anywhere anywhere
ufw-after-input all -- anywhere anywhere
Chain FORWARD (policy DROP)
target prot opt source destination
ufw-before-forward all -- anywhere anywhere
ufw-after-forward all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
ufw-before-output all -- anywhere anywhere
ufw-after-output all -- anywhere anywhere
Chain ufw-after-forward (1 references)
target prot opt source destination
LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix `[UFW BLOCK FORWARD]: '
RETURN all -- anywhere anywhere
Chain ufw-after-input (1 references)
target prot opt source destination
RETURN udp -- anywhere anywhere udp dpt:netbios-ns
RETURN udp -- anywhere anywhere udp dpt:netbios-dgm
RETURN tcp -- anywhere anywhere tcp dpt:netbios-ssn
RETURN tcp -- anywhere anywhere tcp dpt:microsoft-ds
RETURN udp -- anywhere anywhere udp dpt:bootps
RETURN udp -- anywhere anywhere udp dpt:bootpc
RETURN all -- anywhere anywhere ADDRTYPE match dst-type BROADCAST
LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix `[UFW BLOCK INPUT]: '
RETURN all -- anywhere anywhere
Chain ufw-after-output (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere
Chain ufw-before-forward (1 references)
target prot opt source destination
ufw-user-forward all -- anywhere anywhere
RETURN all -- anywhere anywhere
Chain ufw-before-input (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DROP all -- anywhere anywhere ctstate INVALID
ACCEPT icmp -- anywhere anywhere icmp destination-unreachable
ACCEPT icmp -- anywhere anywhere icmp source-quench
ACCEPT icmp -- anywhere anywhere icmp time-exceeded
ACCEPT icmp -- anywhere anywhere icmp parameter-problem
ACCEPT icmp -- anywhere anywhere icmp echo-request
ACCEPT udp -- anywhere anywhere udp spt:bootps dpt:bootpc
ufw-not-local all -- anywhere anywhere
ACCEPT all -- BASE-ADDRESS.MCAST.NET/4 anywhere
ACCEPT all -- anywhere BASE-ADDRESS.MCAST.NET/4
ufw-user-input all -- anywhere anywhere
RETURN all -- anywhere anywhere
Chain ufw-before-output (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT tcp -- anywhere anywhere state NEW,RELATED,ESTABLISHED
ACCEPT udp -- anywhere anywhere state NEW,RELATED,ESTABLISHED
ufw-user-output all -- anywhere anywhere
RETURN all -- anywhere anywhere
Chain ufw-not-local (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere ADDRTYPE match dst-type LOCAL
RETURN all -- anywhere anywhere ADDRTYPE match dst-type MULTICAST
RETURN all -- anywhere anywhere ADDRTYPE match dst-type BROADCAST
LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix `[UFW BLOCK NOT-TO-ME]: '
DROP all -- anywhere anywhere
Chain ufw-user-forward (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere
Chain ufw-user-input (1 references)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere tcp dpt:46096
ACCEPT udp -- anywhere anywhere udp dpt:46096
ACCEPT tcp -- anywhere anywhere tcp dpt:6880
ACCEPT tcp -- anywhere anywhere tcp dpt:6891
ACCEPT udp -- anywhere anywhere udp dpt:6891
ACCEPT tcp -- anywhere anywhere tcp dpt:768
ACCEPT udp -- anywhere anywhere udp dpt:768
RETURN all -- anywhere anywhere
Chain ufw-user-limit (0 references)
target prot opt source destination
LOG all -- anywhere anywhere limit: avg 3/min burst 5 LOG level warning prefix `[UFW LIMIT]: '
REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
Chain ufw-user-limit-accept (0 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
Chain ufw-user-output (1 references)
target prot opt source destination
RETURN all -- anywhere anywhere


