این خروجیش بود:
Chain INPUT (policy DROP)
target prot opt source destination
ACCEPT tcp -- localhost anywhere tcpflags:! FIN,SYN,RST,ACK/SYN
ACCEPT udp -- localhost anywhere
ACCEPT all -- anywhere anywhere
ACCEPT icmp -- anywhere anywhere limit: avg 10/sec burst 5
DROP all -- anywhere 255.255.255.255
DROP all -- anywhere 192.168.1.255
DROP all -- base-address.mcast.net/8 anywhere
DROP all -- anywhere base-address.mcast.net/8
DROP all -- 255.255.255.255 anywhere
DROP all -- anywhere 0.0.0.0
DROP all -- anywhere anywhere state INVALID
LSI all -f anywhere anywhere limit: avg 10/min burst 5
INBOUND all -- anywhere anywhere
LOG_FILTER all -- anywhere anywhere
LOG all -- anywhere anywhere LOG level info prefix "Unknown Input"
ufw-before-logging-input all -- anywhere anywhere
ufw-before-input all -- anywhere anywhere
ufw-after-input all -- anywhere anywhere
ufw-after-logging-input all -- anywhere anywhere
ufw-reject-input all -- anywhere anywhere
ufw-track-input all -- anywhere anywhere
DROP all -- anywhere anywhere
REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
DROP all -- anywhere anywhere
DROP tcp -- anywhere anywhere tcp dpt:netbios-ssn
DROP all -- anywhere anywhere
DROP icmp -- anywhere anywhere
DROP all -- anywhere anywhere
DROP tcp -- anywhere anywhere
DROP all -- anywhere anywhere
DROP all -- anywhere anywhere
DROP icmp -- anywhere anywhere icmp echo-request
DROP icmp -- anywhere anywhere icmp echo-request
DROP udp -- 192.168.1.0/24 anywhere udp dpt:ipp
DROP tcp -- 192.168.1.0/24 anywhere tcp dpt:ipp
DROP tcp -- 192.168.1.0/24 anywhere tcp dpt:netbios-ssn
DROP udp -- 192.168.1.0/24 anywhere udp dpt:netbios-ssn
DROP udp -- 192.168.1.0/24 anywhere udp dpt:microsoft-ds
DROP tcp -- 192.168.1.0/24 anywhere tcp dpt:microsoft-ds
DROP tcp -- 192.168.1.0/24 anywhere tcp dpt:smtp
DROP udp -- 192.168.1.0/24 anywhere udp dpt:25
DROP udp -- 192.168.1.0/24 anywhere udp dpt:microsoft-ds
DROP tcp -- 192.168.1.0/24 anywhere tcp dpt:microsoft-ds
DROP tcp -- 192.168.1.0/24 anywhere tcp dpt:netbios-ssn
DROP tcp -- txr-System-Product-Name.Home anywhere tcp dpt:netbios-ssn
DROP all -- anywhere anywhere
Chain FORWARD (policy DROP)
target prot opt source destination
ACCEPT icmp -- anywhere anywhere limit: avg 10/sec burst 5
LOG_FILTER all -- anywhere anywhere
LOG all -- anywhere anywhere LOG level info prefix "Unknown Forward"
ufw-before-logging-forward all -- anywhere anywhere
ufw-before-forward all -- anywhere anywhere
ufw-after-forward all -- anywhere anywhere
ufw-after-logging-forward all -- anywhere anywhere
ufw-reject-forward all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
ACCEPT tcp -- txr-System-Product-Name.Home localhost tcp dpt:domain
ACCEPT udp -- txr-System-Product-Name.Home localhost udp dpt:domain
ACCEPT all -- anywhere anywhere
DROP all -- base-address.mcast.net/8 anywhere
DROP all -- anywhere base-address.mcast.net/8
DROP all -- 255.255.255.255 anywhere
DROP all -- anywhere 0.0.0.0
DROP all -- anywhere anywhere state INVALID
OUTBOUND all -- anywhere anywhere
LOG_FILTER all -- anywhere anywhere
LOG all -- anywhere anywhere LOG level info prefix "Unknown Output"
ufw-before-logging-output all -- anywhere anywhere
ufw-before-output all -- anywhere anywhere
ufw-after-output all -- anywhere anywhere
ufw-after-logging-output all -- anywhere anywhere
ufw-reject-output all -- anywhere anywhere
ufw-track-output all -- anywhere anywhere
Chain INBOUND (1 references)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT udp -- anywhere anywhere state RELATED,ESTABLISHED
LSI all -- anywhere anywhere
Chain LOG_FILTER (5 references)
target prot opt source destination
Chain LSI (2 references)
target prot opt source destination
LOG_FILTER all -- anywhere anywhere
LOG tcp -- anywhere anywhere tcpflags: FIN,SYN,RST,ACK/SYN limit: avg 1/sec burst 5 LOG level info prefix "Inbound "
DROP tcp -- anywhere anywhere tcpflags: FIN,SYN,RST,ACK/SYN
LOG tcp -- anywhere anywhere tcpflags: FIN,SYN,RST,ACK/RST limit: avg 1/sec burst 5 LOG level info prefix "Inbound "
DROP tcp -- anywhere anywhere tcpflags: FIN,SYN,RST,ACK/RST
LOG icmp -- anywhere anywhere icmp echo-request limit: avg 1/sec burst 5 LOG level info prefix "Inbound "
DROP icmp -- anywhere anywhere icmp echo-request
LOG all -- anywhere anywhere limit: avg 5/sec burst 5 LOG level info prefix "Inbound "
DROP all -- anywhere anywhere
Chain LSO (0 references)
target prot opt source destination
LOG_FILTER all -- anywhere anywhere
LOG all -- anywhere anywhere limit: avg 5/sec burst 5 LOG level info prefix "Outbound "
REJECT all -- anywhere anywhere reject-with icmp-port-unreachable
Chain OUTBOUND (1 references)
target prot opt source destination
ACCEPT icmp -- anywhere anywhere
ACCEPT tcp -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT udp -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT all -- anywhere anywhere
Chain ufw-after-forward (1 references)
target prot opt source destination
Chain ufw-after-input (1 references)
target prot opt source destination
ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:netbios-ns
ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:netbios-dgm
ufw-skip-to-policy-input tcp -- anywhere anywhere tcp dpt:netbios-ssn
ufw-skip-to-policy-input tcp -- anywhere anywhere tcp dpt:microsoft-ds
ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:bootps
ufw-skip-to-policy-input udp -- anywhere anywhere udp dpt:bootpc
ufw-skip-to-policy-input all -- anywhere anywhere ADDRTYPE match dst-type BROADCAST
Chain ufw-after-logging-forward (1 references)
target prot opt source destination
LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] "
Chain ufw-after-logging-input (1 references)
target prot opt source destination
LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] "
Chain ufw-after-logging-output (1 references)
target prot opt source destination
Chain ufw-after-output (1 references)
target prot opt source destination
Chain ufw-before-forward (1 references)
target prot opt source destination
ufw-user-forward all -- anywhere anywhere
Chain ufw-before-input (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ufw-logging-deny all -- anywhere anywhere state INVALID
DROP all -- anywhere anywhere state INVALID
ACCEPT icmp -- anywhere anywhere icmp destination-unreachable
DROP icmp -- anywhere anywhere icmp source-quench
DROP icmp -- anywhere anywhere icmp time-exceeded
DROP icmp -- anywhere anywhere icmp parameter-problem
DROP icmp -- anywhere anywhere icmp echo-request
ACCEPT udp -- anywhere anywhere udp spt:bootps dpt:bootpc
ufw-not-local all -- anywhere anywhere
ACCEPT udp -- anywhere 224.0.0.251 udp dpt:mdns
ACCEPT udp -- anywhere 239.255.255.250 udp dpt:1900
ufw-user-input all -- anywhere anywhere
Chain ufw-before-logging-forward (1 references)
target prot opt source destination
Chain ufw-before-logging-input (1 references)
target prot opt source destination
Chain ufw-before-logging-output (1 references)
target prot opt source destination
Chain ufw-before-output (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ufw-user-output all -- anywhere anywhere
Chain ufw-logging-allow (0 references)
target prot opt source destination
LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW ALLOW] "
Chain ufw-logging-deny (2 references)
target prot opt source destination
RETURN all -- anywhere anywhere state INVALID limit: avg 3/min burst 10
LOG all -- anywhere anywhere limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] "
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
ufw-logging-deny all -- anywhere anywhere limit: avg 3/min burst 10
DROP all -- anywhere anywhere
Chain ufw-reject-forward (1 references)
target prot opt source destination
Chain ufw-reject-input (1 references)
target prot opt source destination
Chain ufw-reject-output (1 references)
target prot opt source destination
Chain ufw-skip-to-policy-forward (0 references)
target prot opt source destination
DROP all -- anywhere anywhere
Chain ufw-skip-to-policy-input (7 references)
target prot opt source destination
DROP all -- anywhere anywhere
Chain ufw-skip-to-policy-output (0 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere
Chain ufw-track-input (1 references)
target prot opt source destination
Chain ufw-track-output (1 references)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere state NEW
ACCEPT udp -- anywhere anywhere state NEW
Chain ufw-user-forward (1 references)
target prot opt source destination
Chain ufw-user-input (1 references)
target prot opt source destination
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 BLOCK] "
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-logging-forward (0 references)
target prot opt source destination
Chain ufw-user-logging-input (0 references)
target prot opt source destination
Chain ufw-user-logging-output (0 references)
target prot opt source destination
Chain ufw-user-output (1 references)
target prot opt source destination
به طور پیش فرض تمام ورودی ها رو بستم. با دستور lsof که لیست فایلهای باز هم چک میکنه امتحان کردم که lsof -i :445 هم چک میکنم میگه پورت در حال گوش دادنه:
txr@txr-System-Product-Name:~$ sudo lsof -i :445
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
smbd 965 root 27u IPv6 8621 0t0 TCP *:microsoft-ds (LISTEN)
smbd 965 root 29u IPv4 8626 0t0 TCP *:microsoft-ds (LISTEN)
txr@txr-System-Product-Name:~$ sudo lsof -i :139
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
smbd 965 root 28u IPv6 8624 0t0 TCP *:netbios-ssn (LISTEN)
smbd 965 root 30u IPv4 8628 0t0 TCP *:netbios-ssn (LISTEN)
txr@txr-System-Product-Name:~$ sudo lsof -i :25
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
master 1262 root 12u IPv4 10257 0t0 TCP *:smtp (LISTEN)
master 1262 root 13u IPv6 10258 0t0 TCP *:smtp (LISTEN)
این سه نمونه از پورتهایی که باز هستن