Port 2689FastLynx
Port 2689 is assigned to the FastLynx service on TCP and UDP.
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
2 transports registered
payload readable on path
registered with iana
safe
rank 993 of 4,221 · top 24%
Technical Details
what runs on :2689FastLynx is registered on port :2689 over tcp and udp to Dave Sewell. 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 :2689
# linux
sudo ss -tulpn 'sport = :2689'
# macos / bsd
sudo lsof -nP -i :2689
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2689nmap -sV -p T:2689 <host>
sudo nmap -sU -sV -p U:2689 <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 detailsSecurity Information
exposure of :2689risk 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 :2689 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :2689, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :2710 | XBT BitTorrent Tracker | TCP | File Transfer | caution | 11.6k |
| :2710 | XBT UDP Tracker Extension | UDP | File Transfer | caution | 11.4k |
| :2713 | Raven Trinity Broker | TCPUDP | Network Services | caution | 11.1k |
| :2700 | KnowShowGo P2P | TCP | File Transfer | caution | 9.9k |
| :2638 | Sybase Listener | TCP | Databases | caution | 7.8k |
| :2710 | Knuddels Chat | TCP | Voice and Chat | caution | 5.3k |
| :2714 | Raven Trinity Data Mover | TCPUDP | File Transfer | caution | 4.7k |
| :2735 | NetIQ Monitor Console | TCPUDP | Network Services | caution | 4.6k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted