Port 270GIST Q-mode

UDP Q-mode encapsulation for General Internet Signaling Transport (GIST) messages.

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

Technical Details

what runs on :270

no technical write-up for :270 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 :270

risk score

1/ 10safe

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

network services averages 2.7 across 1,197 ports — this one sits 1.7 below.

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

udp

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

security overview

no security notes recorded for :270 yet

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

Record

iana registry entry

port: :270
service: GIST Q-mode
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: Network Services
usage: This UDP assignment is for Q-mode encapsulation of General Internet Signaling Transport (GIST) messages. IANA records no registrant or registration date for the assignment.
lookups: 0rank 994
added: 2026-09-15
updated: 2026-09-15
references: IANA service name registry — port 270
RFC 5971

Something wrong?

This record is maintained by the engineers who use port 270. 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 2026-09-15.

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 1,197 in network services →

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:3128	Tatsoft Default HTTP Proxy	TCP	Web Services	caution	46.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :270GIST Q-mode

Technical Details

Security Information

Related Ports

Port 270GIST Q-mode