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如何使用 nftables 进行多端口的转发!
codersdp1
Nov 20, 2024
1819 views
This topic created in 525 days ago, the information mentioned may be changed or developed.
比如将本机(192.168.66.142)的 22000 端口 转发 目标机器(192.168.66.143)的 20000 端口
22001 端口 转发 目标机器的 20001 端口
22002 端口 转发 目标机器的 20002 端口
...
24000 端口 转发 目标机器的 22000 端口
端口关系是-2000
SNAT 只写一条就好了
ip daddr 192.168.66.143 tcp dport 20000-22000 counter snat to 192.168.66.142
DNAT 得写 2000 条
nft add rule ip nat prerouting tcp dport 22001 counter dnat to 192.168.66.143:20001
nft add rule ip nat prerouting tcp dport 22002 counter dnat to 192.168.66.143:20002
......
DNAT 写 2k 条太影响性能了,有更好的方式了??
nftables
转发
性能
5 replies
2024-11-20 19:50:22 +08:00
1
LGA1150
Nov 20, 2024 via Android
1
https://wiki.nftables.org/wiki-nftables/index.php/Maps
用 Anonymous map
2
xqzr
Nov 20, 2024
1
ip daddr 192.168.66.142 dnat to tcp dport map { 22001 : 192.168.66.143 . 20001, 22002 : 192.168.66.143 . 20002 }
3
codersdp1
OP
Nov 20, 2024
也知道使用 MAP ,但不知道怎么写。
4
codersdp1
OP
Nov 20, 2024
@
xqzr
这个 192.168.66.143 . 20001 会有语法错误
5
codersdp1
OP
Nov 20, 2024
@
xqzr
可以了,谢谢大哥
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