Assertion: port | /r/HasProperty | filtered
Facets:
Source sentences:
text: open|filtered Nmap places ports in this state when it is unable to determine whether a port is open or filtered.
text: If no response is received after multiple transmissions, the port is considered filtered (a device or application between the source and the target is filtering the packets).
text: So Nmap does not know for sure whether the port is open or being filtered.
text: This state is used when Nmap is unable to determine whether a port is closed or filtered.
text: ACK scanning is one of the more unusual scan types, as it does not exactly determine whether the port is open or closed, but whether the port is filtered or unfiltered.