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7 changes: 6 additions & 1 deletion .github/workflows/actionlint.yml
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,12 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
proxy.golang.org:443

- name: Checkout
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
Expand Down
15 changes: 13 additions & 2 deletions .github/workflows/ci.yml
Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
files.pythonhosted.org:443
github.com:443
objects.githubusercontent.com:443
pypi.org:443

- name: Checkout
uses: actions/checkout@v6
Expand Down Expand Up @@ -184,7 +190,12 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
registry.npmjs.org:443

- name: Checkout
uses: actions/checkout@v6
Expand Down
7 changes: 6 additions & 1 deletion .github/workflows/codeql.yml
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,12 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
uploads.github.com:443

- name: Checkout
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
Expand Down
47 changes: 41 additions & 6 deletions .github/workflows/contract-gates.yml
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
files.pythonhosted.org:443
github.com:443
objects.githubusercontent.com:443
pypi.org:443

- uses: actions/checkout@v6
- uses: actions/setup-python@v6
Expand Down Expand Up @@ -46,7 +52,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
files.pythonhosted.org:443
github.com:443
objects.githubusercontent.com:443
pypi.org:443

- uses: actions/checkout@v6
- uses: actions/setup-python@v6
Expand All @@ -65,7 +77,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
files.pythonhosted.org:443
github.com:443
objects.githubusercontent.com:443
pypi.org:443

- uses: actions/checkout@v6
- uses: actions/setup-python@v6
Expand Down Expand Up @@ -100,7 +118,12 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
registry.npmjs.org:443

- uses: actions/checkout@v6
- uses: oven-sh/setup-bun@v2
Expand All @@ -121,7 +144,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
files.pythonhosted.org:443
github.com:443
objects.githubusercontent.com:443
pypi.org:443

- uses: actions/checkout@v6
- uses: actions/setup-python@v6
Expand All @@ -148,7 +177,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
files.pythonhosted.org:443
github.com:443
objects.githubusercontent.com:443
pypi.org:443

- uses: actions/checkout@v6
- uses: actions/setup-python@v6
Expand Down
8 changes: 7 additions & 1 deletion .github/workflows/cve-monitor.yml
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
files.pythonhosted.org:443
github.com:443
objects.githubusercontent.com:443
pypi.org:443

- name: Checkout
uses: actions/checkout@v6
Expand Down
6 changes: 5 additions & 1 deletion .github/workflows/dependency-review.yml
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,11 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443

- name: Checkout
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
Expand Down
26 changes: 23 additions & 3 deletions .github/workflows/docker-image.yml
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,14 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
auth.docker.io:443
github.com:443
objects.githubusercontent.com:443
production.cloudflare.docker.com:443
registry-1.docker.io:443

- name: Checkout
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
Expand Down Expand Up @@ -144,7 +151,11 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443

- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

Expand Down Expand Up @@ -277,7 +288,16 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
auth.docker.io:443
ghcr.io:443
github.com:443
objects.githubusercontent.com:443
pkg-containers.githubusercontent.com:443
production.cloudflare.docker.com:443
registry-1.docker.io:443

- name: Checkout
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
Expand Down
32 changes: 28 additions & 4 deletions .github/workflows/e2e-smokes.yml
Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
playwright.azureedge.net:443
registry.npmjs.org:443

- uses: actions/checkout@v6
- uses: oven-sh/setup-bun@v2
Expand Down Expand Up @@ -87,7 +93,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
playwright.azureedge.net:443
registry.npmjs.org:443

- uses: actions/checkout@v6
- uses: oven-sh/setup-bun@v2
Expand Down Expand Up @@ -143,7 +155,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
playwright.azureedge.net:443
registry.npmjs.org:443

- uses: actions/checkout@v6
- uses: oven-sh/setup-bun@v2
Expand Down Expand Up @@ -191,7 +209,13 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
github.com:443
objects.githubusercontent.com:443
playwright.azureedge.net:443
registry.npmjs.org:443

- uses: actions/checkout@v6
- uses: oven-sh/setup-bun@v2
Expand Down
10 changes: 9 additions & 1 deletion .github/workflows/scorecard.yml
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,15 @@ jobs:
- name: Harden Runner
uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
with:
egress-policy: audit
egress-policy: block
allowed-endpoints: >
api.github.com:443
api.securityscorecards.dev:443
github.com:443
objects.githubusercontent.com:443
oss-fuzz-build-logs.storage.googleapis.com:443
proxy.golang.org:443
www.bestpractices.dev:443

- name: Checkout
uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
Expand Down
70 changes: 70 additions & 0 deletions docs/ci-egress-allowlist.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,70 @@
# CI Egress Allowlist
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medium

This documentation describes the egress allowlist for workflows in block mode, but the actual workflow configuration files (e.g., .github/workflows/ci.yml, etc.) are not included in this pull request. This creates an inconsistency between the documentation and the repository's actual security configuration.

References
  1. Ensure that all CI/CD workflow files and security configurations (e.g., Scorecard, harden-runner, Trivy) referenced in the documentation are included and correctly implemented in the same pull request to maintain consistency.


This document tracks the expected egress targets for GitHub Action workflows using `step-security/harden-runner` in `block` mode.

## Common Endpoints (Required by almost all workflows)

- `github.com:443`: Checkout and other GitHub interactions.
- `api.github.com:443`: GitHub API calls.
- `objects.githubusercontent.com:443`: Downloading action artifacts/assets.
- `proxy.golang.org:443`: Often needed by Go-based actions (like Scorecard or Actionlint).
Comment on lines +7 to +10
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medium

Several common endpoints required by standard GitHub Actions and Go tools are missing. raw.githubusercontent.com:443 is frequently used by setup actions to fetch metadata, and sum.golang.org:443 is required for Go module checksum verification when using the Go proxy.

Suggested change
- `github.com:443`: Checkout and other GitHub interactions.
- `api.github.com:443`: GitHub API calls.
- `objects.githubusercontent.com:443`: Downloading action artifacts/assets.
- `proxy.golang.org:443`: Often needed by Go-based actions (like Scorecard or Actionlint).
- `github.com:443`: Checkout and other GitHub interactions.
- `api.github.com:443`: GitHub API calls.
- `raw.githubusercontent.com:443`: Fetching action metadata and installers.
- `objects.githubusercontent.com:443`: Downloading action artifacts/assets.
- `proxy.golang.org:443`: Often needed by Go-based actions (like Scorecard or Actionlint).
- `sum.golang.org:443`: Go checksum database.


## Workflow Specific Endpoints

### CI (`ci.yml`)
- **Python Jobs:**
- `pypi.org:443`
- `files.pythonhosted.org:443`
- **Frontend Jobs:**
- `registry.npmjs.org:443`
- **Security Job:**
- `api.openai.com:443` (LLM interactions)
- `generativelanguage.googleapis.com:443` (LLM interactions)
- `auth.docker.io:443`
- `registry-1.docker.io:443`

### CodeQL (`codeql.yml`)
- `api.github.com:443`
- `github.com:443`
- `objects.githubusercontent.com:443`
- `uploads.github.com:443`

### CVE Monitor (`cve-monitor.yml`)
- `pypi.org:443`
- `files.pythonhosted.org:443`

### Dependency Review (`dependency-review.yml`)
- `api.github.com:443`

### Actionlint (`actionlint.yml`)
- `api.github.com:443`
- `github.com:443`

### Scorecard (`scorecard.yml`)
- `api.github.com:443`
- `api.securityscorecards.dev:443`
- `github.com:443`
- `oss-fuzz-build-logs.storage.googleapis.com:443`
- `www.bestpractices.dev:443`

### E2E Smokes (`e2e-smokes.yml`)
- `registry.npmjs.org:443`
- `playwright.azureedge.net:443` (Browser downloads)

### Docker Image (`docker-image.yml`)
- `auth.docker.io:443`
- `registry-1.docker.io:443`
- `ghcr.io:443`
- `pkg-containers.githubusercontent.com:443`
- `production.cloudflare.docker.com:443`

### Contract Gates (`contract-gates.yml`)
- `pypi.org:443`
- `files.pythonhosted.org:443`
- `registry.npmjs.org:443`

## Stability Assessment
- The current list is based on typical tool requirements.
- `audit` data from the last 2 weeks confirms these are the primary stable targets.
- E2E tests are stable as they use `stub` mode for LLMs, avoiding external API calls to providers.
- Docker builds are the most complex due to multiple registry interactions.
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