A ufw-user-input -s / 32 -d 45.xxx.yy.zz/ 32 -p tcp -m tcp -dport 443 -j ACCEPT A PREROUTING -s / 32 -d 45.xx.yyy.zz/ 32 -p tcp -m tcp -dport 443 -m comment -comment "RD VPN HTTPS -> utls-wp-mg-443 A PREROUTING -s / 32 -d 45./ 32 -p tcp -m tcp -dport 443 -m comment -comment "RD VPN HTTPS -> utls-wp-mg-443
A POSTROUTING -o lxdbr0 -p udp -m udp -dport 68 -m comment -comment "generated for LXD network lxdbr0" -j CHECKSUM -checksum-fill The following are created by the ufw command For example:Īnother option to dump iptables/ip6tables rules on screen is to run the following command before you remove all iptables firewall rules: You can filter out rules using the grep command/egerp command or pager like more command/ less command. Open the terminal application and then type the following command to show all IPv4 rules before we start removing all iptables rules: Replace iptables with ip6tables under Linux to flush or remove all IPv6 rules. Iptables -Z # Flush and delete all nat and mangle # Iptables -F # Delete all Iptables Chains # # Flush All Iptables Chains/Firewall rules # # Accept all traffic first to avoid ssh lockdown via iptables firewall rules #
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