Port 82XFER Utility

TCP/UDP port assigned to the XFER Utility, an obscure utility service registered to Thomas M Smith.

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
1/10

safe

lookups
0

rank 993 of 4,765 · top 21%

1 other service is registered on port 82. compare all 2 →

Technical Details

what runs on :82

XFER Utility is registered on port :82 over tcp and udp to Thomas M Smith. 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 :82

this machine
# linux
sudo ss -tulpn 'sport = :82'

# macos / bsd
sudo lsof -nP -i :82

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :82
another host
nmap -sV -p T:82 <host>
sudo nmap -sU -sV -p U:82 <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 :82

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 :82 yet

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

ports registered around :82, by lookups.

portservicerisk
:80HTTPcaution
:135Microsoft EPMAPcaution
:23Telnetcaution
:83MIT ML Devicecaution
:81Torpark Onion Routingcaution
:143IMAPcaution
:22SSHcaution
:109POP2caution

risk mix of the 8 listed

  • caution100%

1 of 8 encrypted