wai-logger

A logging system for WAI

LTS Haskell 24.65:2.5.0
Stackage Nightly 2026-10-28:2.5.1
Latest on Hackage:2.5.1

See all snapshots wai-logger appears in

BSD-3-Clause licensed and maintained by Kazu Yamamoto
This version can be pinned in stack with:wai-logger-2.5.1@sha256:b3de7fabd22920255ba9bb87a9dd4f0ba5b076bb8dac6841a8c4ce46b450433f,1443

Module documentation for 2.5.1

A logging system for WAI(Web Application Interface)

Changes

ChangeLog for wai-logger

2.5.1

  • Security: request-derived fields (IP from headers, user, method, path, Referer, User-Agent) are now escaped like Apache’s ap_escape_logitem to prevent log injection.
  • The IP taken from X-Real-IP or X-Forwarded-For is now the first token only.