Glossary · Network and IT fundamentals
ACL (access control list)
An ordered list of rules on a router, switch or firewall that permits or denies traffic by addresses, ports and protocols; the last rule is usually an implicit deny.
In REAP
The home page’s illustrative P1 is an ACL whose object group was edited: traffic that no longer matched fell to the final deny. Rule hit counts read twice, seconds apart, are the evidence that proves it.
Related terms
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Bring us your last P1.
Keep the root cause to yourself; in a 30-minute session we walk through how REAP would have investigated it, evidence first. The replay on your own network happens inside the proof of value.