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deepseek-kubernetes-sandbox/examples/dsh-agents-as-a-service/manifests/optional/README.md
SREDevOps.org Agent 1a929e3e24 fix(gateway)!: replace token cookies with revocable sessions and harden abuse controls (#40)
- Replace user:token cookies with opaque server-side sessions, revocable on logout, delete, recreate and expiry; bind every credential to the path user and add cross-user regression tests.
- Rate-limit /users and /login, add optional signup invite codes and form same-origin checks, and unify login failures to 401.
- Require explicit ALLOW_INSECURE_COOKIES for plain HTTP, use __Host-dsh_gw_session when secure, and fix secure cookie deletion.
- Strip client-supplied forwarding/SSO headers, add an optional upstream allowlist, per-user in-flight and WebSocket message caps, credential-free handshake errors, and sweep-time state pruning.
- Digest-pin base images, hash-pin gateway dependencies, verify DSH_COMMIT in the build, and run the gateway image as non-root with a pinned Python base.
- Update manifests, production checklist, architecture/security docs and add an SSO preflight script.

BREAKING CHANGE: existing dsh_gw_session=<user>:<token> cookies are invalid; users must sign in again. Unknown users on POST /login now return 401 instead of 404, and the gateway refuses COOKIE_SECURE=false unless ALLOW_INSECURE_COOKIES=1.

Co-authored-by: SREDevOpsAgents <agents@sredevops.org>
2026-10-31 00:57:35 -03:00

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Markdown

# Optional manifests
Opt-in manifests that are **not** part of the top-level walkthrough.
`kubectl apply -f manifests/` is non-recursive, so it does not apply this
directory; apply a subdirectory explicitly.
## network-policy/
A Kubernetes `NetworkPolicy` for the DSH sandboxes:
- ingress only from the gateway pods on TCP `3080` (HTTP + WebSocket);
- egress only to DNS and public HTTPS (provider APIs, package mirrors,
git-over-HTTPS).
Apply and delete it explicitly:
```bash
kubectl apply -f manifests/optional/network-policy/
kubectl delete -f manifests/optional/network-policy/
```
It requires a CNI that enforces `NetworkPolicy`. The selector uses the
agent-sandbox controller's pod tracking label, so the policy applies to
existing warm-pool and claimed sandboxes without recreation.
**This is opt-in for the demo but required for production.** Without it every
tenant can reach every other tenant and cluster-internal endpoints. Production
also needs the gateway egress policy (cluster-specific API-server endpoint) and
the exposure variant's policy; see the
[production checklist](../../docs/optional-hardening.md#6-production-checklist).
## gVisor, nodeSelector and provider keys
These are configured in the main manifests or with an extra Secret:
- **gVisor:** uncomment `runtimeClassName: gvisor` in the SandboxTemplate and
the Deployments before applying, or patch an existing install.
- **nodeSelector:** uncomment the field and replace the placeholder node label.
- **Failed-Pod recovery:** uncomment `failedPodPolicy: Recreate` in the
SandboxTemplate (agent-sandbox v1.0.8+) so a Failed Pod is replaced instead
of parked.
- **Provider keys:** create the optional `dsh-provider-keys-extra` Secret; the
base `dsh-provider-keys` Secret remains the one required key.
Full prerequisites, exact commands, verification and caveats:
[optional hardening](../../docs/optional-hardening.md).