Port 1056VFO

VFO uses TCP and UDP port 1056 for an unidentified service.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

Technical Details

what runs on :1056

VFO is registered on port :1056 over tcp and udp to Anthony Gonzalez. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is found open sometimes. What's listening is often not the registered service, so check before you assume.

find what's listening on :1056

this machine

# linux
sudo ss -tulpn 'sport = :1056'

# macos / bsd
sudo lsof -nP -i :1056

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1056

another host

nmap -sV -p T:1056 <host>
sudo nmap -sU -sV -p U:1056 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :1056

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

no security notes recorded for :1056 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :1056
service: VFO
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: Port 1056 is assigned as VFO over both TCP and UDP. The assignment is registered to Anthony Gonzalez, but no product, protocol specification, or deployment guidance is recorded.
lookups: 0rank 993
added: 2026-08-20
updated: 2026-08-20
references: IANA service name registry — port 1056

Something wrong?

This record is maintained by the engineers who use port 1056. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-08-20.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :1056, by lookups.

port	service	proto	category	risk	views
:992	Telnet over TLS/SSL	TCPUDPtls	Security	caution	23.5k
:995	POP3S	TCPtls	Email	caution	18.8k
:1080	SOCKS Proxy	TCPtls	Security	caution	16.1k
:1059	IBM AIX NIM	TCPUDP	Network Services	caution	15.6k
:993	IMAPS	TCPtls	Email	caution	14.5k
:1025	NFS / IIS / Teradata	TCP	Web Services	caution	14.4k
:1058	IBM AIX NIM	TCPUDP	Network Services	caution	13.5k
:1110	EasyBits School Discovery	UDP	Network Services	caution	11.1k

risk mix of the 8 listed

caution100%

4 of 8 encrypted

Port :1056VFO

Technical Details

Security Information

Related Ports

Port 1056VFO