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Linux vmi2545633.contaboserver.net 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64
Apache/2.4.62 (Debian)
Server IP : 127.0.0.1 & Your IP : 127.0.0.1
Domains : Cant Read [ /etc/named.conf ]
User : www-data

Name	Size	Permission	Date
sysvinit	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
README	475 B	-rw-r--r--	2023-09-16 05:47
all-in-one.nft	1016 B	-rw-r--r--	2023-09-16 05:47
arp-filter.nft	129 B	-rw-r--r--	2023-09-16 05:47
bridge-filter.nft	197 B	-rw-r--r--	2023-09-16 05:47
ct_helpers.nft	1.23 KB	-rwxr-xr-x	2023-09-16 05:47
inet-filter.nft	187 B	-rw-r--r--	2023-09-16 05:47
inet-nat.nft	251 B	-rw-r--r--	2023-09-16 05:47
ipv4-filter.nft	182 B	-rw-r--r--	2023-09-16 05:47
ipv4-mangle.nft	74 B	-rw-r--r--	2023-09-16 05:47
ipv4-nat.nft	246 B	-rw-r--r--	2023-09-16 05:47
ipv4-raw.nft	137 B	-rw-r--r--	2023-09-16 05:47
ipv6-filter.nft	186 B	-rw-r--r--	2023-09-16 05:47
ipv6-mangle.nft	78 B	-rw-r--r--	2023-09-16 05:47
ipv6-nat.nft	253 B	-rw-r--r--	2023-09-16 05:47
ipv6-raw.nft	141 B	-rw-r--r--	2023-09-16 05:47
load_balancing.nft	1.81 KB	-rwxr-xr-x	2023-09-16 05:47
nat.nft	1.14 KB	-rwxr-xr-x	2023-09-16 05:47
netdev-ingress.nft	128 B	-rw-r--r--	2023-09-16 05:47
overview.nft	1.05 KB	-rwxr-xr-x	2023-09-16 05:47
pf.os	28.21 KB	-rw-r--r--	2023-09-16 05:47
secmark.nft	2.35 KB	-rwxr-xr-x	2023-09-16 05:47
sets_and_maps.nft	1.25 KB	-rwxr-xr-x	2023-09-16 05:47
workstation.nft	817 B	-rwxr-xr-x	2023-09-16 05:47

Rename

#!/usr/sbin/nft -f

table ip nat {
	chain prerouting {
		type nat hook prerouting priority 0;

#Thanks to nftables maps, if you have a previous iptables NAT (destination NAT) ruleset like this:
		# % iptables -t nat -A PREROUTING -p tcp --dport 1000 -j DNAT --to-destination 1.1.1.1:1234
		# % iptables -t nat -A PREROUTING -p udp --dport 2000 -j DNAT --to-destination 2.2.2.2:2345
		# % iptables -t nat -A PREROUTING -p tcp --dport 3000 -j DNAT --to-destination 3.3.3.3:3456

# It can be easily translated to nftables in a single line:

dnat tcp dport map { 1000 : 1.1.1.1, 2000 : 2.2.2.2, 3000 : 3.3.3.3} \
				: tcp dport map { 1000 : 1234, 2000 : 2345, 3000 : 3456 }
	}

chain postrouting {
		type nat hook postrouting priority 0;

#Likewise, in iptables NAT (source NAT):
		# % iptables -t nat -A POSTROUTING -s 192.168.1.1 -j SNAT --to-source 1.1.1.1
		# % iptables -t nat -A POSTROUTING -s 192.168.2.2 -j SNAT --to-source 2.2.2.2
		# % iptables -t nat -A POSTROUTING -s 192.168.3.3 -j SNAT --to-source 3.3.3.3

# Translated to a nftables one-liner:

snat ip saddr map { 192.168.1.1 : 1.1.1.1, 192.168.2.2 : 2.2.2.2, 192.168.3.3 : 3.3.3.3 }
	}
}