From d25ea180e139012c02fcb554c7c685fbf9fcf111 Mon Sep 17 00:00:00 2001
From: bmixed <2+bmixed@noreply.localhost>
Date: Fri, 25 Sep 2026 03:01:45 +0000
Subject: [PATCH] Upload files to "/"

---
 pfw | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 pfw

diff --git a/pfw b/pfw
new file mode 100644
index 0000000..441fff1
--- /dev/null
+++ b/pfw
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+iprt=$1
+oprt=$2
+oipa=$3
+
+#echo 1 > /proc/sys/net/ipv4/ip_forward
+#iptables -F
+#iptables -t nat -F
+iptables -t nat -A PREROUTING -p tcp --dport $iprt -j DNAT --to-destination $oipa:$oprt
+#sudo iptables -t nat -A POSTROUTING -j MASQUERADE
+#sudo iptables -t nat -L -n -v
+#sudo iptables-persistent
+
+sudo sysctl -w net.ipv4.ip_forward=1
+sudo nft add table ip nat
+sudo nft add chain ip nat prerouting { type nat hook prerouting priority -100 \; }
+sudo nft add chain ip nat postrouting { type nat hook postrouting priority 100 \; }
+sudo nft add rule ip nat prerouting tcp dport $iprt dnat to $oipa:$oprt
+sudo nft add rule ip nat postrouting ip daddr $oipa masquerade
+sudo nft list ruleset | sudo tee /etc/nftables/port-forwarding.nft