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сервис_nat
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сервис_nat [2022/02/03 15:13] val [Debian/Ubuntu (iptables)] |
сервис_nat [2024/04/23 14:00] val [nftables] |
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| Line 32: | Line 32: | ||
| </code> | </code> | ||
| - | === Сохранение состояния iptables === | + | === Управление состоянием iptables === |
| + | |||
| + | == Вариант 1 == | ||
| + | |||
| + | == 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 51: | Line 55: | ||
| pre-up iptables-restore < /etc/iptables.rules | pre-up iptables-restore < /etc/iptables.rules | ||
| ... | ... | ||
| + | </code> | ||
| + | |||
| + | == Вариант 2 == | ||
| + | <code> | ||
| + | # apt install iptables-persistent | ||
| + | |||
| + | # netfilter-persistent save | ||
| + | </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> | </code> | ||
сервис_nat.txt · Last modified: 2024/05/06 16:17 by val
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