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opensense-docs/source/manual/diagnostics_firewall.rst

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Diagnostics
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pfInfo
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Various detailed statistics gathered from `pfctl <https://www.freebsd.org/cgi/man.cgi?query=pfctl>`__,
such as packet counters per interface, memory limits, configured timeouts and detailed active rules.
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pfTop
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`pftop <https://www.freebsd.org/cgi/man.cgi?query=pftop>`__ displays the active packetfilter states and rules, and periodically updates this information.
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pfTables
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Detailed insight into loaded aliases and their content. When an alias has **Statistics** enabled, it will show these
too.
It's also possible to manually adjust the contents, using **Quick add address** or the delete button.
.. Note::
When deleting items, keep in mind that the regular update process might put the address (or network) back in, since
deletion isn't persistent.
.. Tip::
Use "Find references" to check if an address would match any configured aliases, which is very practical for debugging
purposes, since it will also check if an address fits a network (such as 10.0.0.2 fits in 10.0.0.0/24).
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Sockets
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Shows listening (or all) sockets for IPv4 and IPv6
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States Dump
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Insight into the state table (pf), offers the ability to search for specific states and removal.
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States Reset
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Delete all active states and source tracking (cancels connections)
.. Warning::
Handle with care, a state reset will discard all active connections, in which case clients might have to reconnect
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States Summary
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Show states sorted by criteria like source IP, destination IP, …