Port 5557Sandlab FARENET

TCP service assignment for Sandlab FARENET, a rarely observed service registered to Kay T Labinsky.

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
1/10

safe

lookups
0

rank 993 of 5,192 · top 19%

Technical Details

what runs on :5557

Sandlab FARENET is registered on port :5557 over tcp to Kay T Labinsky, assigned May 2010. 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 rarely. What's listening is often not the registered service, so check before you assume.

find what's listening on :5557

this machine
# linux
sudo ss -tlpn 'sport = :5557'

# macos / bsd
sudo lsof -nP -i :5557

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :5557
another host
nmap -sV -p T:5557 <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 :5557

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

every listening transport is another surface to filter at the edge

security overview

no security notes recorded for :5557 yet

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

ports registered around :5557, by lookups.

risk mix of the 8 listed

  • caution100%

1 of 8 encrypted