Port 1119Battle.net

Blizzard Battle.net client traffic for game services, authentication, chat, and session coordination.

transport: tcp · udp
in transit: encrypted
assignment: official
risk: 2/10
lookups: 0

also known as bnetgame, Battle.net Chat/Game Protocol

Technical Details

what runs on :1119

Battle.net uses proprietary binary protocols over both TCP and UDP. TCP provides connection-oriented session traffic, while UDP is used by deployments or games that need datagram-based game communication; message framing, authentication, and session behavior vary by Battle.net generation and game. Related Blizzard deployments have also used ports such as 3724, 4000, and 6112, so port 1119 alone is not a complete fingerprint for every Battle.net service.

Security Information

exposure of :1119

risk score

2/ 10safe

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

gaming averages 3.9 across 132 ports — this one sits 1.9 below.

in transit

encrypted

payloads are protected on the wire

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

This is normally an outbound client connection rather than a service that should be directly exposed as an Internet-facing listener. Current deployments generally authenticate and protect sessions, but the proprietary protocol and legacy game implementations still represent attack surface; restrict unsolicited inbound access and allow it only where Blizzard game connectivity requires it.

Record

iana registry entry

port: :1119
service: Battle.net
transport: TCPUDP
encryption: tls / encrypted
assignment: iana registered
risk: 2/10safe
category: Gaming Voice and Chat
usage: This port carries proprietary Blizzard Battle.net traffic between game clients or the Battle.net application and Blizzard services, including authentication, chat, and game-session coordination. Engineers typically encounter it as outbound TCP or UDP traffic from Blizzard games and the Battle.net desktop client; individual games may also use other ports.
lookups: 0rank 994
added: 2026-08-31
updated: 2026-08-31
references: IANA service name registry — port 1119

Something wrong?

This record is maintained by the engineers who use port 1119. 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 2026-08-31.

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

all 132 in gaming →

the 8 most looked-up other ports in gaming — 132 ports carry that label.

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:18200	Audition Online Server Check	TCPUDP	Gaming	caution	20.9k
:12345	NetBus / NetBuster		Security	caution	19.9k
:18206	Audition FAM DB	TCPUDP	Databases	caution	19.1k
:18505	Audition Dance Battle Status Check	TCPUDP	Network Services	caution	18.9k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :1119Battle.net

Technical Details

Security Information

Related Ports

Port 1119Battle.net