非常感谢您花时间查看我的问题。我目前正在尝试将以下 iptables 转换为 ufw：
iptables -A INPUT -p tcp -s 127.0.0.1 --destination-port 443 -j ACCEPT
iptables -A INPUT -p udp -s 127.0.0.1 --destination-port 80 -j ACCEPT
iptables -A INPUT -p udp -s 127.0.0.1 --destination-port 443 -j ACCEPT
iptables -A INPUT -p tcp --destination-port 443 -j REJECT --reject-with tcp-reset
iptables -A INPUT -p udp --destination-port 80 -j REJECT --reject-with icmp-port-unreachable
iptables -A INPUT -p udp --destination-port 443 -j REJECT --reject-with icmp-port-unreachable
ip6tables -A INPUT -p tcp -s ::1 --destination-port 443 -j ACCEPT
ip6tables -A INPUT -p udp -s ::1 --destination-port 80 -j ACCEPT
ip6tables -A INPUT -p udp -s ::1 --destination-port 443 -j ACCEPT
ip6tables -A INPUT -p tcp --destination-port 443 -j REJECT --reject-with tcp-reset
ip6tables -A INPUT -p udp --destination-port 80 -j REJECT --reject-with icmp6-port-unreachable
ip6tables -A INPUT -p udp --destination-port 443 -j REJECT --reject-with icmp6-port-unreachable
目前，我有以下内容：/etc/ufw/before.rules（就在“#End required lines”之后）
-A ufw-before-input -p tcp -s 127.0.0.1 --destination-port 443 -j ACCEPT
-A ufw-before-input -p udp -s 127.0.0.1 --destination-port 80 -j ACCEPT
-A ufw-before-input -p udp -s 127.0.0.1 --destination-port 443 -j ACCEPT
-A ufw-before-input -p tcp --destination-port 443 -j REJECT --reject-with tcp-reset
-A ufw-before-input -p udp --destination-port 80 -j REJECT --reject-with icmp-port-unreachable
-A ufw-before-input -p udp --destination-port 443 -j REJECT --reject-with icmp-port-unreachable
/etc/ufw/before6.rules（紧接着“# End required lines”之后）
-A ufw6-before-input -p tcp -s ::1 --destination-port 443 -j ACCEPT
-A ufw6-before-input -p udp -s ::1 --destination-port 80 -j ACCEPT
-A ufw6-before-input -p udp -s ::1 --destination-port 443 -j ACCEPT
-A ufw6-before-input -p tcp --destination-port 443 -j REJECT --reject-with tcp-reset
-A ufw6-before-input -p udp --destination-port 80 -j REJECT --reject-with icmp6-port-unreachable
-A ufw6-before-input -p udp --destination-port 443 -j REJECT --reject-with icmp6-port-unreachable
我正在监控点击次数：
watch -n1 -d "iptables -vnxL | grep -v -e pkts -e Chain | sort -nk1 | tac | column -t | grep -E -- 'reject-with|127.0.0.1'"
我正在访问应该触发这些拒绝规则的域，但计数仍然为 0。
如果你能帮助我弄清楚：
我的规则哪里出错了？为什么我无法触发它们？
我对 iptables 的经验和知识很少。但是我相信我创建的流量应该会触发这些 REJECT 规则。它们甚至没有触及我的 ACCEPT 规则。
我在想我搞乱了我将规则放在哪里/放哪个链中。
非常感谢，请注意安全 <3
评论中要求的输出：
root@TinkerBoardS:~ # sudo iptables -vnxL Chain INPUT (policy DROP 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
6663 681990 ufw-before-logging-input all -- * * 0.0.0.0/0 0.0.0.0/0
6663 681990 ufw-before-input all -- * * 0.0.0.0/0 0.0.0.0/0
1 328 ufw-after-input all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-after-logging-input all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-reject-input all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-track-input all -- * * 0.0.0.0/0 0.0.0.0/0
Chain FORWARD (policy DROP 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
0 0 ufw-before-logging-forward all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-before-forward all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-after-forward all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-after-logging-forward all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-reject-forward all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ufw-track-forward all -- * * 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT 2 packets, 80 bytes)
pkts bytes target prot opt in out source destination
6664 512047 ufw-before-logging-output all -- * * 0.0.0.0/0 0.0.0.0/0
6664 512047 ufw-before-output all -- * * 0.0.0.0/0 0.0.0.0/0
38 3357 ufw-after-output all -- * * 0.0.0.0/0 0.0.0.0/0
38 3357 ufw-after-logging-output all -- * * 0.0.0.0/0 0.0.0.0/0
38 3357 ufw-reject-output all -- * * 0.0.0.0/0 0.0.0.0/0
38 3357 ufw-track-output all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-after-forward (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-after-input (1 references)
pkts bytes target prot opt in out source destination
0 0 ufw-skip-to-policy-input udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:137
0 0 ufw-skip-to-policy-input udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:138
0 0 ufw-skip-to-policy-input tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:139
0 0 ufw-skip-to-policy-input tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:445
1 328 ufw-skip-to-policy-input udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:67
0 0 ufw-skip-to-policy-input udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:68
0 0 ufw-skip-to-policy-input all -- * * 0.0.0.0/0 0.0.0.0/0 ADDRTYPE match dst-type BROADCAST
Chain ufw-after-logging-forward (1 references)
pkts bytes target prot opt in out source destination
0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 limit: avg 3/min burst 10 LOG flags 0 level 4 prefix "[UFW BLOCK] "
Chain ufw-after-logging-input (1 references)
pkts bytes target prot opt in out source destination
0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 limit: avg 3/min burst 10 LOG flags 0 level 4 prefix "[UFW BLOCK] "
Chain ufw-after-logging-output (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-after-output (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-before-forward (1 references)
pkts bytes target prot opt in out source destination
0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 ctstate RELATED,ESTABLISHED
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 3
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 4
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 11
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 12
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 8
0 0 ufw-user-forward all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-before-input (1 references)
pkts bytes target prot opt in out source destination
6 360 ACCEPT tcp -- * * 127.0.0.1 0.0.0.0/0 tcp dpt:443
0 0 ACCEPT udp -- * * 127.0.0.1 0.0.0.0/0 udp dpt:80
0 0 ACCEPT udp -- * * 127.0.0.1 0.0.0.0/0 udp dpt:443
0 0 REJECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:443 reject-with tcp-reset
0 0 REJECT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:80 reject-with icmp-port-unreachable
0 0 REJECT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:443 reject-with icmp-port-unreachable
6496 489806 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0
121 180087 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 ctstate RELATED,ESTABLISHED
0 0 ufw-logging-deny all -- * * 0.0.0.0/0 0.0.0.0/0 ctstate INVALID
0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 ctstate INVALID
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 3
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 4
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 11
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 12
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmptype 8
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp spt:67 dpt:68
40 11737 ufw-not-local all -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ACCEPT udp -- * * 0.0.0.0/0 224.0.0.251 udp dpt:5353
0 0 ACCEPT udp -- * * 0.0.0.0/0 239.255.255.250 udp dpt:1900
40 11737 ufw-user-input all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-before-logging-forward (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-before-logging-input (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-before-logging-output (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-before-output (1 references)
pkts bytes target prot opt in out source destination
6502 490166 ACCEPT all -- * lo 0.0.0.0/0 0.0.0.0/0
124 18524 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 ctstate RELATED,ESTABLISHED
38 3357 ufw-user-output all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-logging-allow (0 references)
pkts bytes target prot opt in out source destination
0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 limit: avg 3/min burst 10 LOG flags 0 level 4 prefix "[UFW ALLOW] "
Chain ufw-logging-deny (2 references)
pkts bytes target prot opt in out source destination
0 0 RETURN all -- * * 0.0.0.0/0 0.0.0.0/0 ctstate INVALID limit: avg 3/min burst 10
0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 limit: avg 3/min burst 10 LOG flags 0 level 4 prefix "[UFW BLOCK] "
Chain ufw-not-local (1 references)
pkts bytes target prot opt in out source destination
23 9400 RETURN all -- * * 0.0.0.0/0 0.0.0.0/0 ADDRTYPE match dst-type LOCAL
3 174 RETURN all -- * * 0.0.0.0/0 0.0.0.0/0 ADDRTYPE match dst-type MULTICAST
14 2163 RETURN all -- * * 0.0.0.0/0 0.0.0.0/0 ADDRTYPE match dst-type BROADCAST
0 0 ufw-logging-deny all -- * * 0.0.0.0/0 0.0.0.0/0 limit: avg 3/min burst 10
0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-reject-forward (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-reject-input (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-reject-output (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-skip-to-policy-forward (0 references)
pkts bytes target prot opt in out source destination
0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-skip-to-policy-input (7 references)
pkts bytes target prot opt in out source destination
1 328 DROP all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-skip-to-policy-output (0 references)
pkts bytes target prot opt in out source destination
0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-track-forward (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-track-input (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-track-output (1 references)
pkts bytes target prot opt in out source destination
17 1020 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 ctstate NEW
19 2257 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 ctstate NEW
Chain ufw-user-forward (1 references)
pkts bytes target prot opt in out source destination
Chain ufw-user-input (1 references)
pkts bytes target prot opt in out source destination
2 104 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:22
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:443
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:53 /* 'dapp_DNS' */
1 63 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:53 /* 'dapp_DNS' */
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:115
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:82
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:82
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:444
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:444
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:445
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:445
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:2295
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:2295
36 11242 ACCEPT all -- * * 192.168.1.0/24 0.0.0.0/0
0 0 ACCEPT all -- * * 0.0.0.0/0 192.168.1.0/24
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:5355
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:5355
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:853
0 0 ACCEPT udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:853
Chain ufw-user-limit (0 references)
pkts bytes target prot opt in out source destination
0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 limit: avg 3/min burst 5 LOG flags 0 level 4 prefix "[UFW LIMIT BLOCK] "
0 0 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
Chain ufw-user-limit-accept (0 references)
pkts bytes target prot opt in out source destination
0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0
Chain ufw-user-logging-forward (0 references)
pkts bytes target prot opt in out source destination
Chain ufw-user-logging-input (0 references)
pkts bytes target prot opt in out source destination
Chain ufw-user-logging-output (0 references)
pkts bytes target prot opt in out source destination
Chain ufw-user-output (1 references)
pkts bytes target prot opt in out source destination
答案1
非常感谢 Doug。你让我找到了答案。我重新配置了 PiHole，使其响应我的本地 192.168。地址，现在它可以正常工作了（我之前将其配置为响应 127.0.01）