Port 1740encore

IANA's encore service assignment for TCP and UDP port 1740, registered to Stuart Button.

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

Technical Details

what runs on :1740

no technical write-up for :1740 yet

the handshake, the implementations you meet in the wild, the flags that matter. we have the registry entry — the detail comes from the engineers who run it.

add technical details

Security Information

exposure of :1740

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 :1740 yet

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

Record

iana registry entry

port: :1740
service: encore
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: Port 1740 is assigned by IANA as "encore" for both TCP and UDP. The assignment is registered to Stuart Button, but no public protocol or product details are recorded here.
lookups: 0rank 994
added: 2026-09-01
updated: 2026-09-01
references: IANA service name registry — port 1740

Something wrong?

This record is maintained by the engineers who use port 1740. 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 2026-09-01.

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 :1740, by lookups.

port	service	proto	category	risk	views
:1720	H.323 Signaling	TCP	Network Services	caution	26.5k
:1701	L2TP & L2F	UDP	Security	caution	15.1k
:1755	Microsoft Media Services	TCPUDP	Streaming	caution	13.8k
:1716	America's Army MMO	TCP	Network Services	caution	12.6k
:1723	PPTP	TCPUDP	Security	caution	11.3k
:1719	H.323 RAS	UDP	Network Services	caution	9.2k
:1801	MSMQ	TCPUDP	Network Services	caution	8.9k
:1677	Novell GroupWise	TCPUDP	Email	caution	7.5k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :1740encore

Technical Details

Security Information

Related Ports

Port 1740encore