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сервис_nat [2022/07/26 06:26]
val [Debian/Ubuntu (iptables)]
сервис_nat [2024/04/23 14:00] (current)
val [nftables]
Line 36: Line 36:
 == Вариант 1 == == Вариант 1 ==
  
-= Сохранение состояния iptables =+== Сохранение состояния iptables ​==
 <​code>​ <​code>​
 root@gate:​~#​ iptables-save > /​etc/​iptables.rules root@gate:​~#​ iptables-save > /​etc/​iptables.rules
 </​code>​ </​code>​
  
-= Восстановление состояния iptables =+== Восстановление состояния iptables ​==
 <​code>​ <​code>​
 root@gate:​~#​ iptables-restore < /​etc/​iptables.rules root@gate:​~#​ iptables-restore < /​etc/​iptables.rules
 </​code>​ </​code>​
  
-= Восстановление состояния iptables при загрузке =+== Восстановление состояния iptables при загрузке ​==
 <​code>​ <​code>​
 root@gate:​~#​ cat /​etc/​network/​interfaces root@gate:​~#​ cat /​etc/​network/​interfaces
Line 63: Line 63:
 # netfilter-persistent save # netfilter-persistent save
 </​code>​ </​code>​
 +
 +==== nftables ====
 +
 +  * [[https://​wiki.nftables.org/​wiki-nftables/​index.php/​Performing_Network_Address_Translation_(NAT)|Performing Network Address Translation (NAT)]]
 +  * https://​wiki.debian.org/​nftables
 +
 +<​code>​
 +gate### apt install nftables
 +
 +gate# man nft
 +
 +gate# nft add table nat
 +
 +gate# nft 'add chain nat postrouting { type nat hook postrouting priority srcnat ; }'
 +
 +gate# nft add rule nat postrouting ip saddr 192.168.X.0/​24 oif eth1 snat to 172.16.1.X
 +gate# nft add rule nat postrouting ip saddr 192.168.100+X.0/​24 oif eth1 snat to 172.16.1.X
 +
 +gate# nft list ruleset
 +
 +gate# nft flush ruleset
 +
 +gate# systemctl enable nftables.service --now
 +
 +gate# cat /​etc/​nftables.conf
 +</​code><​code>​
 +...
 +table ip nat {
 +        chain postrouting {
 +                type nat hook postrouting priority srcnat; policy accept;
 +                ip saddr 192.168.100+X.0/​24 oif "​eth1"​ snat to 172.16.1.X
 +        }
 +}
 +</​code><​code>​
 +gate# systemctl reload nftables.service
 +</​code>​
 +
 ==== CentOS (firewalld) ==== ==== CentOS (firewalld) ====
  
сервис_nat.1658805994.txt.gz · Last modified: 2022/07/26 06:26 by val