Archived
49 lines
1.5 KiB
Bash
Executable File
49 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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# Deploy the Proxmox datacenter-level firewall from
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# config/pve-firewall/cluster.fw.example, with the management CIDR filled
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# in, and enable it. Default-deny inbound; allow SSH/8006 from mgmt only.
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#
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# Idempotent - safe to re-run. Run as root on the PVE host.
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#
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# Usage: MGMT_CIDR=192.168.2.0/24 ./deploy-firewall.sh
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=lib/common.sh
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source "${SCRIPT_DIR}/lib/common.sh"
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require_root
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if [ -z "${MGMT_CIDR:-}" ]; then
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echo "MGMT_CIDR is not set. Example: MGMT_CIDR=192.168.2.0/24 $0" >&2
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exit 1
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fi
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if ! [[ "$MGMT_CIDR" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}/[0-9]{1,2}$ ]]; then
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echo "MGMT_CIDR '${MGMT_CIDR}' doesn't look like a CIDR (e.g. 192.168.2.0/24)." >&2
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exit 1
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fi
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TEMPLATE="${SCRIPT_DIR}/../config/pve-firewall/cluster.fw.example"
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if [ ! -f "$TEMPLATE" ]; then
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echo "Template not found: $TEMPLATE" >&2
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exit 1
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fi
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# Corosync/Ceph rules stay commented placeholders until Stage 2 (cluster);
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# only the mgmt IPSET is real for a single Stage 1 node.
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mkdir -p /etc/pve/firewall
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write_if_changed "/etc/pve/firewall/cluster.fw" "$(sed "s|<MGMT_CIDR>|${MGMT_CIDR}|" "$TEMPLATE")"
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echo "Validating ruleset..."
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pve-firewall compile
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echo "Restarting pve-firewall..."
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pve-firewall restart
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sleep 1
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pve-firewall status
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echo
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echo "Firewall enabled. SSH (22) and the web UI (8006) are now only reachable"
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echo "from ${MGMT_CIDR}. If your current SSH session is NOT from that range,"
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echo "reconnect and verify access before closing this session."
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