s3c2440裸機-I2c程式設計-3.i2c中斷服務程式
阿新 • • 發佈：2021-10-09
1 iptables --policy INPUT DROP 2 iptables -t filter -A INPUT -p tcp --dport 22 -j ACCEPT 3 iptables -A INPUT -p icmp -j ACCEPT 4 iptables -A INPUT -p icmp -j ACCEPT
1 # Generated by iptables-save v1.4.21 on Thu Oct 14 10:37:07 2021 2 *mangle 3 :PREROUTING ACCEPT [191031:184303462] 4 :INPUT ACCEPT [187647:183193510] 5 :FORWARD ACCEPT [0:0] 6 :OUTPUT ACCEPT [171856:19012283] 7 :POSTROUTING ACCEPT [171856:19012283] 8 -A POSTROUTING -o virbr0 -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill 9 COMMIT 10 # Completed on Thu Oct 14 10:37:07 2021 11 # Generated by iptables-save v1.4.21 on Thu Oct 14 10:37:07 202112 *nat 13 :PREROUTING ACCEPT [24938:2126181] 14 :INPUT ACCEPT [20161:954884] 15 :OUTPUT ACCEPT [343:25394] 16 :POSTROUTING ACCEPT [343:25394] 17 -A POSTROUTING -s 192.168.122.0/24 -d 224.0.0.0/24 -j RETURN 18 -A POSTROUTING -s 192.168.122.0/24 -d 255.255.255.255/32 -j RETURN 19 -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p tcp -j MASQUERADE --to-ports 1024-65535 20 -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -p udp -j MASQUERADE --to-ports 1024-65535 21 -A POSTROUTING -s 192.168.122.0/24 ! -d 192.168.122.0/24 -j MASQUERADE 22 COMMIT 23 # Completed on Thu Oct 14 10:37:07 2021 24 # Generated by iptables-save v1.4.21 on Thu Oct 14 10:37:07 2021 25 *filter 26 :INPUT DROP [82:3280] 27 :FORWARD ACCEPT [0:0] 28 :OUTPUT ACCEPT [21:3060] 29 -A INPUT -i virbr0 -p udp -m udp --dport 53 -j ACCEPT 30 -A INPUT -i virbr0 -p tcp -m tcp --dport 53 -j ACCEPT 31 -A INPUT -i virbr0 -p udp -m udp --dport 67 -j ACCEPT 32 -A INPUT -i virbr0 -p tcp -m tcp --dport 67 -j ACCEPT 33 -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT 34 -A INPUT -p udp -m udp --sport 53 -j ACCEPT 35 -A INPUT -p icmp -j ACCEPT 36 -A FORWARD -d 192.168.122.0/24 -o virbr0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT 37 -A FORWARD -s 192.168.122.0/24 -i virbr0 -j ACCEPT 38 -A FORWARD -i virbr0 -o virbr0 -j ACCEPT 39 -A FORWARD -o virbr0 -j REJECT --reject-with icmp-port-unreachable 40 -A FORWARD -i virbr0 -j REJECT --reject-with icmp-port-unreachable 41 -A OUTPUT -o virbr0 -p udp -m udp --dport 68 -j ACCEPT 42 COMMIT 43 # Completed on Thu Oct 14 10:37:07 2021