add script to nft map ports to ssh port

2024-09-06 11:45:07 +09:00 · 2024-09-06 11:45:07 +09:00 · 37eeb06a47
commit 37eeb06a47
parent 0b7ba88068
1 changed files with 9 additions and 0 deletions
--- a/9
+++ b/9
@ -0,0 +1,9 @@
+#!/bin/sh
+
+nft add table ip nat
+nft -- add chain ip nat prerouting { type nat hook prerouting priority -100 \; }
+nft add chain ip nat postrouting { type nat hook postrouting priority 100 \; }
+
+for port in 20 21 53 80 443; do
+    nft add rule ip nat prerouting tcp dport ${port} redirect to :22
+done