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сервис_nat
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сервис_nat [2024/04/23 13:15] val [nftables] |
сервис_nat [2025/06/22 15:03] (current) val [Debian/Ubuntu (nftables)] |
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| === Заполнение таблицы nat (eth1 - внешний интерфейс) === | === Заполнение таблицы nat (eth1 - внешний интерфейс) === | ||
| <code> | <code> | ||
| - | debian11# apt install iptables | + | debian11_12# apt install iptables |
| root@gate:~# apt install conntrack | root@gate:~# apt install conntrack | ||
| Line 71: | Line 71: | ||
| <code> | <code> | ||
| gate### apt install nftables | gate### apt install nftables | ||
| + | |||
| + | gate# man nft | ||
| gate# nft add table nat | gate# nft add table nat | ||
| - | gate# nft add rule nat postrouting ip saddr 192.168.X.0/24 oif eth1 snat to 172.16.1.254 | + | 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 list ruleset | ||
| - | gate# file /etc/nftables.conf | + | gate# nft flush ruleset |
| - | gate# systemctl enable nftables.service | + | 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> | ||
| Line 145: | Line 162: | ||
| </code> | </code> | ||
| + | ==== Debian/Ubuntu (nftables) ==== | ||
| + | |||
| + | <code> | ||
| + | root@gate:~# cat /etc/nftables.conf | ||
| + | </code><code> | ||
| + | ... | ||
| + | table ip nat { | ||
| + | ... | ||
| + | chain prerouting { | ||
| + | type nat hook prerouting priority dstnat; policy accept; | ||
| + | ip daddr 172.16.1.X tcp dport 2222 dnat to 192.168.X.10:22 | ||
| + | ip daddr 172.16.1.X udp dport 53 dnat to 192.168.X.10 | ||
| + | ip daddr 172.16.1.X tcp dport 53 dnat to 192.168.X.10 | ||
| + | |||
| + | ip daddr 172.16.1.X tcp dport { 25, 80, 143, 465, 587, 5222 } dnat to 192.168.X.10 | ||
| + | |||
| + | ip daddr 172.16.1.X udp dport { 10000-20000 } dnat to 192.168.X.10 | ||
| + | ip daddr 172.16.1.X udp dport { 5060 } dnat to 192.168.X.10:5060 | ||
| + | # ip daddr 172.16.1.X udp dport { 6050 } dnat to 192.168.X.10:5060 | ||
| + | |||
| + | ip daddr 172.16.1.X tcp dport 5061 dnat to 192.168.X.10 | ||
| + | ip daddr 172.16.1.X udp dport 4569 dnat to 192.168.X.10 | ||
| + | |||
| + | } | ||
| + | } | ||
| + | </code><code> | ||
| + | root@gate:~# systemctl restart nftables.service | ||
| + | </code> | ||
| ==== FreeBSD (pf) ==== | ==== FreeBSD (pf) ==== | ||
| <code> | <code> | ||
сервис_nat.1713867313.txt.gz · Last modified: 2024/04/23 13:15 by val
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