feat: add IP denylist plugin for abuse prevention#79
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adds denylist plugin supporting file-based lists with fsnotify auto-reload and HTTP feeds with periodic refresh. integrates with ipparser (DNS) and acme (HTTP) plugins to block denied IPs. - file sources: local lists with automatic reload on change - feed sources: HTTP lists (Spamhaus DROP, URLhaus) with caching - allow/deny list types: allowlists checked first to bypass denylists - prometheus metrics: blocked requests, list sizes, refresh status - client IP extraction: X-Forwarded-For and RemoteAddr for ACME requests - multiaddr IP checking: validates IPs in libp2p multiaddrs blocked DNS queries return NODATA, blocked ACME requests return HTTP 403.
Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## main #79 +/- ##
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+ Coverage 64.97% 68.06% +3.09%
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Files 12 21 +9
Lines 1062 1641 +579
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+ Hits 690 1117 +427
- Misses 292 403 +111
- Partials 80 121 +41 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Note to self: blocked until we figure out why collab cluster lost its dns names. |
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Triage: the cluster issue is specific to the client (investigation tracked in #80, still wip), we can ship this and then have separate release with client fix. |
- TestFeedList304PreservesData: verify data preserved after HTTP 304 - TestFileListDeleteAndRecreate: verify reload after file delete/recreate - TestFileListAtomicSave: verify reload after atomic save (vim-style)
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This PR adds denylist plugin.
It supports file-based lists with live-reload and HTTP feeds with periodic refresh.
High level
Integrates with
ipparser(DNS returns noA/AAAAfor blocked IPs) andacme(HTTP registration API) plugins to block denied IPs.filesources: local lists with automatic reload on changefeedsources: HTTP lists (Spamhaus DROP, URLhaus) with cachingallow/denylisttype: allowlists checked first to bypass denylistsX-Forwarded-ForandRemoteAddrfor ACME broker requestsDocumentation
See
docs/denylist.mdin this PR.PREVIEW: https://github.com/ipshipyard/p2p-forge/blob/feat/ip-denylist/docs/denylist.md
TLDR
Blocked DNS queries return
NODATA, blocked ACME requests return HTTP 403.This allows us to takedown IP instantly.