Port 7787Popup Reminders

Port assigned for receiving Popup Reminders traffic over TCP or UDP.

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 4,617 · top 21%

also known as Popup Reminders Receive

1 other service is registered on port 7787. compare all 2 →

Technical Details

what runs on :7787

Popup Reminders is registered on port :7787 over tcp and udp to Robert Harvey, assigned January 2006. 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.

IANA has recorded this port being used for something it was not assigned for.

find what's listening on :7787

this machine
# linux
sudo ss -tulpn 'sport = :7787'

# macos / bsd
sudo lsof -nP -i :7787

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :7787
another host
nmap -sV -p T:7787 <host>
sudo nmap -sU -sV -p U:7787 <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 :7787

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 :7787 yet

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

ports registered around :7787, by lookups.

portservicerisk
:7777iChat Transfer Proxycaution
:7831Smartlaunch Servercaution
:7777Xivio Chat Servercaution
:7777OCFS2caution
:7777Unreal Tournament Servercaution
:7777Tini Backdoorcaution
:7787GFI EventsManagercaution
:7777cbtsafe

risk mix of the 8 listed

  • safe13%
  • caution88%

1 of 8 encrypted