Individual skill
implementing-ics-firewall-with-tofino
Deploys and configures Tofino industrial firewalls (Belden/Hirschmann) to protect SCADA systems and PLCs, using deep packet inspection of OT protocols (Modbus, EtherNet/IP, OPC, S7comm) to enforce access control between ICS zones. Use when deploying zone-level firewall protection in front of PLCs/RTUs, enforcing IEC 62443 zone/conduit boundaries, or adding compensating controls for unpatchable legacy PLCs.
skills/implementing-ics-firewall-with-tofino/SKILL.md
Source commit 54a798831d2266a3ca61ce68a7acb80b81160d57
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
Install this skill
Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.
An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.
Repository context
- Repository stars (not skill ratings)
- 35,926
- Repository last updated
- Aug 31, 2026
- License
- Apache-2.0
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- ai-agents Repository topic
- claude-code Repository topic
- cybersecurity Repository topic
- incident-response Repository topic
- mitre-attack Repository topic
- penetration-testing Repository topic
- red-team Repository topic
- security Repository topic
- cloud-security Repository topic
- malware-analysis Repository topic
- ot-security Declared skill tag
- ics Declared skill tag
- firewall Declared skill tag
- tofino Declared skill tag
- belden Declared skill tag
- deep-packet-inspection Declared skill tag
- network-security Declared skill tag
- scada Declared skill tag
- security Derived category
Files and excerpt
File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.
Browse files
LICENSEasset · 11,255 bytesSKILL.mdcore · 12,246 bytesSKILL.mdcore · 12,246 bytesreferences/api-reference.mddoc · 1,565 bytesscripts/agent.pyruns · 8,206 bytes
Read excerpt
# Implementing ICS Firewall with Tofino
## When to Use
- When deploying zone-level firewall protection directly in front of critical PLCs or RTUs
- When requiring deep packet inspection of industrial protocols (Modbus, EtherNet/IP, OPC, S7comm)
- When implementing IEC 62443 zone and conduit boundaries with protocol-aware enforcement
- When protecting legacy PLCs that cannot be patched and need compensating controls
- When segmenting control network zones without disrupting existing industrial communications
**Do not use** for enterprise IT firewall deployment, for perimeter firewall between IT and OT (use Palo Alto/Fortinet at the DMZ), or for environments using only IP-based protocols without OT-specific DPI needs.
## Prerequisites
