examples

.gitignore

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-hooks
-chains
-

chains/.gitignore

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-*
-!.gitignore
-!.gitkeep

chains/ai-sandbox.sh

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+FW_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+source "$FW_DIR/lib.sh"
+
+
+ensure_chain ai-sandbox-input
+ensure_chain ai-sandbox-forward
+
+add_rule ai-sandbox-input -s 10.77.0.150 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+add_rule ai-sandbox-input -s 10.77.0.150 -j REJECT --reject-with icmp-port-unreachable
+
+add_rule ai-sandbox-forward -s 10.77.0.150 -d 10.0.0.0/8 -j REJECT --reject-with icmp-port-unreachable
+add_rule ai-sandbox-forward -s 10.77.0.150 -d 172.16.0.0/12 -j REJECT --reject-with icmp-port-unreachable
+add_rule ai-sandbox-forward -s 10.77.0.150 -d 192.168.0.0/16 -j REJECT --reject-with icmp-port-unreachable
+add_rule ai-sandbox-forward -s 10.77.0.150 -j ACCEPT

hooks/.gitignore

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-*
-!.gitignore
-!.gitkeep

hooks/ai-sandbox-StartPre.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+iptables -C INPUT -s 10.77.0.150 -j ai-sandbox-input 2>/dev/null \
+  || iptables -I INPUT 1 -s 10.77.0.150 -j ai-sandbox-input
+
+iptables -C FORWARD -s 10.77.0.150 -j ai-sandbox-forward 2>/dev/null \
+  || iptables -I FORWARD 1 -s 10.77.0.150 -j ai-sandbox-forward

hooks/ai-sandbox-StopPost.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+iptables -D INPUT -s 10.77.0.150 -j ai-sandbox-input 2>/dev/null || true
+iptables -D FORWARD -s 10.77.0.150 -j ai-sandbox-forward 2>/dev/null || true