Port 35355Altova License Management Discovery

UDP 35355 is assigned to Altova License Management Discovery, a vendor-specific service associated with Altova licensing.

inNetwork Services

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

also known as altova-lm-disc, altova-lm

Technical Details

what runs on :35355

Altova License Management Discovery is registered on port :35355 over udp to Alexander Falk 2, assigned July 2011. 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 never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :35355

this machine

# linux
sudo ss -ulpn 'sport = :35355'

# macos / bsd
sudo lsof -nP -i :35355

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :35355

another host

sudo nmap -sU -sV -p U:35355 <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 :35355

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 2.6 across 1,991 ports — this one sits 1.6 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 :35355 yet

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

Record

iana registry entry

port: :35355
service: Altova License Management Discovery
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: Network Services
usage: The registry identifies this as Altova License Management Discovery and lists Alexander Falk as the registrant. No independently established deployment details are available here.
lookups: 0rank 993
added: 2026-10-20
updated: 2026-10-20
references: IANA service name registry — port 35355

Something wrong?

This record is maintained by the engineers who use port 35355. 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 2026-10-20.

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

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risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :35355Altova License Management Discovery

Technical Details

Security Information

Related Ports

Port 35355Altova License Management Discovery