From 6e528248414e330c9e25e81596ab47b8b8a5b701 Mon Sep 17 00:00:00 2001
From: terminaldweller <thabogre@gmail.com>
Date: Fri, 14 May 2021 22:44:50 +0430
Subject: first commit

---
 baseline/ufw-allow-mosh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 baseline/ufw-allow-mosh

(limited to 'baseline/ufw-allow-mosh')

diff --git a/baseline/ufw-allow-mosh b/baseline/ufw-allow-mosh
new file mode 100755
index 0000000..3f696ca
--- /dev/null
+++ b/baseline/ufw-allow-mosh
@@ -0,0 +1,31 @@
+#!/bin/bash
+# ripped off from here:https://stephenreescarter.net/mosh-and-ufw-without-1000-open-ports/
+# add entry in sudoers: my-awesome-user ALL:(ALL:ALL) NOPASSWD: /usr/local/bin/ufw-allow-mosh
+# then add this in zshrc: sudo /usr/local/bin/ufw-allow-mosh
+
+# Load active ports
+PORTS=`lsof -i | grep mosh-serv | cut -f2 -d":"`
+STATUS=`sudo ufw status`
+
+# Add Rules for new ports
+for PORT in $PORTS; do
+
+    echo $STATUS | grep "$PORT/udp" > /dev/null
+    if [ $? -gt 0 ]; then
+        echo "Allowing new port $PORT"
+        sudo ufw allow $PORT/udp > /dev/null
+    fi
+done
+
+# Remove closed ports
+PORTS=`sudo ufw status | grep "^60.../udp" | cut -f1 -d"/" | sort | uniq`
+OPEN=`lsof -i | grep mosh-serv`
+
+for PORT in $PORTS; do
+
+    echo $OPEN | grep $PORT > /dev/null
+    if [ $? -gt 0 ]; then
+        echo "Removing closed port $PORT."
+        sudo ufw delete allow $PORT/udp > /dev/null
+    fi
+done
-- 
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