PASV
E845079
PASV is an FTP command that enables passive mode, instructing the server to open a port and wait for the client to initiate the data connection.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PASV canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10157817 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PASV Context triple: [RFC 959, definesCommand, PASV]
-
A.
PASO
PASO is a regional aviation safety oversight organization that supports Pacific Island states in maintaining and improving civil aviation safety and regulatory standards.
-
B.
PASO
PASO is the commonly used acronym for Panam Sports, the continental association responsible for organizing the Pan American Games and promoting Olympic sports across the Americas.
-
C.
PASP
PASP is the NATO Political Affairs and Security Policy Division, responsible for developing and coordinating the Alliance’s political and security policies.
-
D.
PASPA
PASPA was a 1992 U.S. federal law that effectively banned state-authorized sports betting nationwide until it was struck down by the Supreme Court in 2018.
-
E.
Pasy
Pasy is the popular nickname of the Polish football club Cracovia, one of the oldest and most historic teams in Poland.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PASV Target entity description: PASV is an FTP command that enables passive mode, instructing the server to open a port and wait for the client to initiate the data connection.
-
A.
PASO
PASO is the commonly used acronym for Panam Sports, the continental association responsible for organizing the Pan American Games and promoting Olympic sports across the Americas.
-
B.
PASO
PASO is a regional aviation safety oversight organization that supports Pacific Island states in maintaining and improving civil aviation safety and regulatory standards.
-
C.
PASP
PASP is the NATO Political Affairs and Security Policy Division, responsible for developing and coordinating the Alliance’s political and security policies.
-
D.
PASPA
PASPA was a 1992 U.S. federal law that effectively banned state-authorized sports betting nationwide until it was struck down by the Supreme Court in 2018.
-
E.
Pasy
Pasy is the popular nickname of the Polish football club Cracovia, one of the oldest and most historic teams in Poland.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | FTP command ⓘ |
| alternativeTo | active FTP mode ⓘ |
| category | FTP control command ⓘ |
| commandDirection | client-to-server ⓘ |
| commandSyntax | PASV\r\n ⓘ |
| commonlySupportedBy |
FTP clients
ⓘ
FTP servers ⓘ |
| contrastsWith |
PORT
ⓘ
active mode ⓘ |
| dataConnectionRoleOfClient | connector ⓘ |
| dataConnectionRoleOfServer | listener ⓘ |
| dataPortOpenedBy | FTP server ⓘ |
| definedIn |
FTP specification
ⓘ
RFC 959 NERFINISHED ⓘ |
| fullName | Passive mode command ⓘ |
| improves |
NAT traversal
ⓘ
firewall compatibility ⓘ |
| initiatorOfDataConnection | FTP client ⓘ |
| introducedFor | better operation behind client-side firewalls ⓘ |
| layer | application layer ⓘ |
| modeType | passive mode ⓘ |
| oftenUsedWith |
LIST
ⓘ
RETR ⓘ STOR ⓘ |
| operatesOn | FTP control channel ⓘ |
| portSelection | server chooses ephemeral port ⓘ |
| precedes | FTP data transfer commands ⓘ |
| primaryPurpose |
allow client-initiated data connections
ⓘ
enable passive data connections ⓘ |
| relatedCommand |
EPSV
ⓘ
LPSV ⓘ |
| requires | separate control connection ⓘ |
| requiresClient | to open outbound TCP connection to server data port ⓘ |
| responseCode | 227 ⓘ |
| responseFormat | 227 Entering Passive Mode (h1,h2,h3,h4,p1,p2) ⓘ |
| responseIncludes |
server IP address
ⓘ
server port number ⓘ |
| securityConsideration | may expose additional server ports ⓘ |
| status | standard FTP command ⓘ |
| transportProtocol | TCP NERFINISHED ⓘ |
| typicalUseCase |
FTP through NAT routers
ⓘ
FTP through firewalls ⓘ |
| usedFor |
FTP data channel
ⓘ
directory listings ⓘ file transfers ⓘ |
| usedInProtocol | File Transfer Protocol NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: PASV Description of subject: PASV is an FTP command that enables passive mode, instructing the server to open a port and wait for the client to initiate the data connection.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.