ClaudSkills / Security / network-security

Network Appliance Offensive

Q: What is a Claude Code skill and how does the Network Appliance Offensive skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Network Appliance Offensive is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: network-security · Last updated: 2026-08-14

type:review

Offensive testing of perimeter network appliances and VPN crypto — IKE/IPsec (aggressive-mode, transform/DH enum, NAT-T), Check Point SIC/OPSEC, safe firmware/patch-level inference for FortiGate/PAN-OS/Cisco ASA/Citrix feeding CVE applicability, NTLM Type-2 target-info decode, handshake-completion TLS-version probing, and an RST-TTL forgery discriminator. The active/offensive counterpart to the static firewall-review skill. Use when a perimeter firewall/VPN/appliance is in scope and you must test it (not just audit a config), without reinventing raw-socket protocol tooling each engagement.

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

firewall-review audits a config statically; infrastructure covers generic ports/DNS/SMB. Neither tests a live perimeter appliance or its VPN crypto — so IKE builders, SIC/OPSEC fingerprinting, and TTL discriminators were reinvented from raw sockets each engagement, often shallowly, and CVE applicability was left UNDETERMINED across whole estates. This skill provides the deterministic, tested tools and the precondition-gated methodology. Non-destructive only — every tool observes/decodes/infers; none fires an exploit, and CVE applicability is a precondition check, never a blind "vulnerable."

What this skill does

Network Appliance Offensive is a community-contributed Claude Code skill in the network-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/network-appliance-offensive/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when a perimeter firewall/VPN/appliance is in scope and you must test it (not just audit a config), without reinventing raw-socket protocol tooling each engagement.

Who uses this skill

The Network Appliance Offensive Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 185,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/network-appliance-offensive
curl -L https://claudskills.com/skills/network-appliance-offensive/SKILL.md \
  -o ~/.claude/skills/network-appliance-offensive/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/network-appliance-offensive/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/network-appliance-offensive/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\network-appliance-offensive\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Network Appliance Offensive Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/network-appliance-offensive/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Network Appliance Offensive skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Network Appliance Offensive skill?

Use Network Appliance Offensive when your Claude Code task falls under the Security category — specifically in the network security area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Network Appliance Offensive" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Network Appliance Offensive skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Network Appliance Offensive is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/transilienceai/communitytools/blob/HEAD/skills/network-appliance-offensive/SKILL.md
License: MIT
Author: transilienceai
Website: https://www.transilience.ai/

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

transilienceai. (2026). Network Appliance Offensive [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/network-appliance-offensive/

BibTeX

@misc{network-appliance-offensive-2026,
  author    = {transilienceai},
  title     = {Network Appliance Offensive [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/network-appliance-offensive/}
}

Embed this skill

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Badge

[![ClaudSkills](https://claudskills.com/badge/network-appliance-offensive.svg)](https://claudskills.com/skills/network-appliance-offensive/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-08-14 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (filesystem), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
⚠ Filesystem
✓ Persistence
✓ Obfuscation
✓ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/network-appliance-offensive/#security)

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Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills

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