The man page ip6tables(8) is an alias of iptables(8). Referenced ByĪrptables-legacy(8), arptables-nft(8), brctl(8), cdist-type_iptables_apply(7), cdist-type_iptables_rule(7), cgroups(7), clatd(8), nf(5), conntrack(8), conntrackd(8), ebtables-legacy(8), ebtables-nft(8), firewall-cmd(1), rvice(5), firewall-offline-cmd(1), flowtop(8), fprobe-ulog(8), fwcheck_psad(8), fwknop(8), fwknopd(8), herbstluftwm(1), ifconfig(8), ip-link(8), ipset(8), iptables-apply(8), iptables-restore(8), iptables-save(8), iptables_selinux(8), iptables-xml(1), iptstate(8), ipvsadm(8), nf(5), mountd(8), nbdkit-rate-filter(1), netstat(8), network_namespaces(7), nfacct(8), nfct(8), nft(8), oping(8), ovs-ctl(8), nf(5), proc(5), psad(8), shorewall(8), sslsplit(1), statd(8), systemd.socket(5), tayga(8), tc-bpf(8), tc-fw(8), tc-mqprio(8), ufw(8), ufw-framework(8), wg-quick(8), xtables-addons(8), xtables-monitor(8), xtables-nft(8), xtables-translate(8). Open a command-line terminal (select Applications > Accessories > Terminal), or login to remote server using the ssh and then type the following command block an ip address as follows: /sbin/iptables -A INPUT -s 65.55.44. This manual page applies to iptables/ip6tables 1.8.9. Unlike normal iptables chains, which are stored and traversed linearly, IP sets are stored in indexed data structures, making lookups very efficient, even when dealing with large sets. LEDE 17 - mwan3 the answer tells to install ipset in addition to iptables. Restore iptables configuration from a file: sudo iptables-restore. ipset is an extension to iptables that allows you to create firewall rules that match entire 'sets' of addresses at once. Mwan3 provides outbound WAN traffic load balancing over R6220 LEDE.Save iptables configuration of a given table to a file: sudo iptables-save -t tablename > path/to/iptables_file The translation from ipset to nftables is straightforward with the ipset-translate utility: Following is an example of translating a basic iptables/ipset configuration into nftables.Delete chain rule: sudo iptables -D chain rule_line_number ConfigServer Security & Firewall (csf) currently supports using iptables interface so when upgrading to Debian 11, Ubuntu 20.04 LTS, or Ubuntu 22.04 LTS.Add a NAT rule to translate all traffic from the 192.168.0.0/24 subnet to the host's public IP: sudo iptables -t nat -A POSTROUTING -s 192.168.0.0/24 -j MASQUERADE.Append rule to chain policy for IP considering protocol and port: sudo iptables -A chain -s ip -p protocol -dport port -j rule.Append rule to chain policy for IP: sudo iptables -A chain -s ip -j rule.Set chain policy rule: sudo iptables -P chain rule. ![]()
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