nmapopenfiltered

2003年5月4日—一般nmap所掃描出來的結果有三種：open、filtered、unfiltered.Open意思是指目標機器的這個連接埠有開啟.Filtered意思是指有Firewall/filter,或是其它 ...,Filteredmeansthatafirewall,filter,orothernetworkobstacleisblockingtheportsothatNmapcannottellwhetheritisopenorclosed.Closedportshave ...,Table5.3,“HowNmapinterpretsresponsestoaUDPprobe”showsthattheopen|filteredstateoccurswhenNmapfailstore...

參考資訊如下
請問用nmap 掃port →filtered是什摸意思呢？

2003年5月4日 — 一般nmap所掃描出來的結果有三種：open、filtered、unfiltered. Open意思是指目標機器的這個連接埠有開啟. Filtered意思是指有Firewall/filter,或是其它 ...

nmap(1)

Filtered means that a firewall, filter, or other network obstacle is blocking the port so that Nmap cannot tell whether it is open or closed. Closed ports have ...

UDP Scan (

Table 5.3, “How Nmap interprets responses to a UDP probe” shows that the open|filtered state occurs when Nmap fails to receive any responses from its UDP probes ...

Port Scanning Basics

Nmap places ports in this state when it is unable to determine whether a port is open or filtered. This occurs for scan types in which open ports give no ...

Chapter 15. Nmap Reference Guide

Filtered means that a firewall, filter, or other network obstacle is blocking the port so that Nmap cannot tell whether it is open or closed . Closed ports have ...

How to interpret Open

2023年5月13日 — Nmap places ports in this state when it is unable to determine whether a port is open or filtered. This occurs for scan types in which open ...

nmap shows me that one service is "open

2012年11月4日 — open|filtered Nmap places ports in this state when it is unable to determine whether a port is open or filtered. This occurs for scan types in ...

Nmap

How to use Nmap to scan for open ports

2022年1月27日 — Closed/Filtered: This indicates that the port was filtered or closed but the state could not be established. Even for this simple port scan, ...