Investigation·SA0009

The Permission Bits Look Right

An ACL mask blocks developer write access while a contractor retains an unintended exception.

Medium~25 minTerminal
Things You Need to Know
▸ Recognizing ACLs
📖 Reading · ~5 min · Learn tab
▸ Mask semantics
📖 Reading · ~5 min · Learn tab
▸ setfacl changes
📖 Reading · ~5 min · Learn tab
Quick Learning

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Mission

Repair effective ACL access without changing base ownership or making the file public.

You'll Practice
ACL entriesACL maskeffective access