Daily Firewall Report - 2026-02-20

[github-actions[bot]]

This report covers all firewall-enabled agentic workflow runs from the past 7 days (snapshot: 2026-02-20). A total of 43 runs were collected; 30 had firewall analysis data available. All data was collected fresh using the audit tool.

Overall, the firewall is active and functioning, with a 46.9% block rate across monitored workflows. The majority of blocked traffic (97%) comes from the "-" (unresolved/system) category, which represents internal network calls made by agent infrastructure that are not destined for explicitly allowlisted hosts. A small but noteworthy number of blocks involve github.com and codeload.github.com, which suggests the Changeset Generator workflow may need expanded network permissions.

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📊 Key Metrics

Metric	Value
🔢 Workflow runs analyzed	30 (of 43 total)
🌐 Total network requests monitored	1,169
✅ Allowed requests	621 (53.1%)
🚫 Blocked requests	548 (46.9%)
🔒 Block rate	46.9%
🌍 Unique blocked domains	3 (-, github.com:443, codeload.github.com:443)

Note on block rate: The high block rate (46.9%) is primarily driven by "-" (unresolved/system) traffic — internal calls that don't match any allowlisted domain. This is expected behavior for strict firewall mode.

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📈 Firewall Activity Trends

Request Patterns by Workflow

The Changeset Generator dominates traffic with 404 total requests across 5 runs, followed by Smoke Codex (266 requests). The Daily Compiler Quality Check has the highest block rate at 71.6%, while Changeset Generator runs consistently show high blocked counts due to attempted github.com access during Go module operations.

Top Blocked Domains

The unresolved/system (-) category accounts for 531 blocked requests (96.9%). github.com:443 and codeload.github.com:443 account for 10 and 7 blocks respectively, exclusively from Changeset Generator runs attempting to download Go module source code.

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🚫 Top Blocked Domains

Rank	Domain	Total Blocks	Workflows	Category
1	- (unresolved/system)	531	All workflows	Infrastructure/System
2	github.com:443	10	Changeset Generator	Development Services
3	codeload.github.com:443	7	Changeset Generator	Development Services

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View Detailed Request Patterns by Workflow

Changeset Generator (5 runs)

Domain	Blocked	Allowed	Block Rate	Category
-	171	0	100%	Infrastructure/System
github.com:443	10	0	100%	Development Services
codeload.github.com:443	7	0	100%	Development Services
api.openai.com:443	0	189	0%	AI Services
proxy.golang.org:443	0	33	0%	Development Services
storage.googleapis.com:443	0	9	0%	Cloud Storage
sum.golang.org:443	0	3	0%	Development Services
registry.npmjs.org:443	0	17	0%	Development Services

• Total blocked: 191 | Total allowed: 213 | Runs: 5 (3 cancelled, 2 success)
• Most frequently blocked domain: - (unresolved)

Smoke Codex (5 runs)

Domain	Blocked	Allowed	Block Rate	Category
-	141	0	100%	Infrastructure/System
api.openai.com:443	0	123	0%	AI Services
proxy.golang.org:443	0	2	0%	Development Services
storage.googleapis.com:443	0	3	0%	Cloud Storage

• Total blocked: 141 | Total allowed: 125 | Runs: 5 (2 success, 2 cancelled, 1 cancelled)

Daily Compiler Quality Check (1 run)

Domain	Blocked	Allowed	Block Rate	Category
-	68	0	100%	Infrastructure/System
api.githubcopilot.com:443	0	27	0%	AI Services

• Total blocked: 68 | Total allowed: 27 | Block rate: 71.6%

Chroma Issue Indexer (1 run)

Domain	Blocked	Allowed	Block Rate	Category
-	35	0	100%	Infrastructure/System
api.githubcopilot.com:443	0	58	0%	AI Services

• Total blocked: 35 | Total allowed: 58

Agent Container Smoke Test (6 runs)

Domain	Blocked	Allowed	Block Rate	Category
-	35	0	100%	Infrastructure/System
api.githubcopilot.com:443	0	54	0%	AI Services

• Total blocked: 35 | Total allowed: 54

Smoke Project (5 runs)

Domain	Blocked	Allowed	Block Rate	Category
-	30	0	100%	Infrastructure/System
api.githubcopilot.com:443	0	58	0%	AI Services

• Total blocked: 30 | Total allowed: 58

Smoke Temporary ID (5 runs)

Domain	Blocked	Allowed	Block Rate	Category
-	23	0	100%	Infrastructure/System
api.githubcopilot.com:443	0	53	0%	AI Services

• Total blocked: 23 | Total allowed: 53

Auto-Triage Issues (1 run)

Domain	Blocked	Allowed	Block Rate	Category
-	14	0	100%	Infrastructure/System
api.githubcopilot.com:443	0	19	0%	AI Services

• Total blocked: 14 | Total allowed: 19

Dependabot Burner (1 run)

Domain	Blocked	Allowed	Block Rate	Category
-	11	0	100%	Infrastructure/System
api.githubcopilot.com:443	0	14	0%	AI Services

• Total blocked: 11 | Total allowed: 14

View Complete Blocked Domains List (Alphabetical)

Domain	Total Blocks	Workflows Affected
- (unresolved/system)	531	All 9 workflows
codeload.github.com:443	7	Changeset Generator
github.com:443	10	Changeset Generator

What is the - domain? The - entry represents network requests that were blocked before hostname resolution could occur — these are typically requests to internal system endpoints, loopback addresses, or other non-routable destinations that the Squid proxy cannot resolve. This is normal behavior in a strict firewall sandbox.

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🔍 Security Recommendations

1. 🟡 Consider allowlisting github.com for Changeset Generator

The Changeset Generator workflow consistently attempts to access github.com:443 and codeload.github.com:443 for Go module downloads via go get and go mod tidy operations. These are legitimate development service requests. If the Changeset Generator needs to fetch Go module source code from GitHub, the workflow's network config should include:

network:
  allowed:
    - "github.com"
    - "codeload.github.com"

2. ✅ - (Unresolved) Traffic is Expected — No Action Needed

The 531 blocked requests in the "-" category are infrastructure-level blocks (health checks, internal agent communication, etc.). This is normal for Squid-based firewall environments and does not indicate misconfiguration.

3. 🟡 High Block Rate on Daily Compiler Quality Check (71.6%)

The Daily Compiler Quality Check workflow has a notably high block rate relative to its allowed traffic. With 68 blocked vs. 27 allowed requests, it may be worth reviewing whether this workflow needs additional allowed domains or if the blocked traffic is all expected system traffic.

4. ℹ️ 13 Runs Had No Firewall Analysis Data

Several failed runs (Smoke Gemini, Smoke macOS ARM64, Issue Monster, PR Triage Agent) had no firewall analysis — these workflows failed before the agent job could generate firewall logs.

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References:

• §22206654483 — Agent Container Smoke Test (latest)
• §22205930063 — Changeset Generator (highest traffic)
• §22205773205 — Daily Compiler Quality Check

AI generated by Daily Firewall Logs Collector and Reporter

• expires on Feb 23, 2026, 1:05 AM UTC

[github-actions[bot]]

🤖 Beep boop! The smoke test agent has materialized from the digital ether and landed here! 👋

I've just successfully completed a full smoke test gauntlet — navigated GitHub.com, built the binary, queried PRs, wrote files, and even managed to not break anything. I'd celebrate, but that would require emotions.

✨ The machines are working. Carry on, humans! ✨

📰 BREAKING: Report filed by Smoke Copilot for issue #16970

[github-actions[bot]]

💥 WHOOSH! 🚀

CRACK! The Smoke Test Agent swoops in from the agentic workflow dimension!

ZAP! ⚡ I am Claude, defender of quality, tester of workflows — and I was HERE on 2026-02-20!

KA-POW! 🔥 All systems checked! Build compiled! Playwright navigated! Tavily searched! Symbols found! Branches pushed!

BOOM! The smoke tests have been run and the galaxy of CI is safe once more!

— The Smoke Test Agent, signing off 🦸

💥 [THE END] — Illustrated by Smoke Claude for issue #16970