- Bind the service to localhost or a private network, never to a public address.
- Enable authentication, use per-application accounts and require TLS.
- Watch for exposed Docker ports: publish them on 127.0.0.1 only.
Port 7981: Spotlight on SQL Server Desktop Collect
Port 7981 is assigned by IANA to sossd-collect (Spotlight on SQL Server Desktop Collect).
7981
How sossd-collect works
Databases & cachesThe application sends a SQL query to the sossd-collect server on port 7981, which returns rows from its tables.
- Transport
- TCP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Databases & caches
Is port 7981 dangerous?
We have no specific security note for port 7981. Its risk depends on the program actually listening on it. General advice for databases & caches services:
IANA registry entries for port 7981
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| sossd-collect | 7981 | TCP | Spotlight on SQL Server Desktop Collect | - | 2010-08-30 |
| - | 7981 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 7981, and is it reachable?
Linux
sudo ss -ltnup 'sport = :7981' # process listening on 7981
sudo lsof -nP -i :7981macOS
sudo lsof -nP -i :7981
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7981 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 7981 netstat -ano | findstr :7981
From another machine
nmap -p 7981 -sV <host> nc -zv <host> 7981
Block it in the firewall
sudo ufw deny 7981/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 7981" -Direction Inbound -LocalPort 7981 -Protocol TCP -Action Block # Windows
What is port 7981 used for?
Port 7981 is assigned by IANA to sossd-collect (Spotlight on SQL Server Desktop Collect).
Is port 7981 TCP or UDP?
Port 7981 is registered for TCP.
Is it safe to open port 7981?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Bind the service to localhost or a private network, never to a public address.
How do I check if port 7981 is open?
On Linux run "ss -ltnup 'sport = :7981'", on macOS "lsof -nP -i :7981", and on Windows "netstat -ano | findstr :7981" to see the local process. From another machine, "nmap -p 7981 <host>" shows whether it is reachable.
Other databases & caches ports
:3306 MySQL / MariaDB tcp · udp · high risk :1433 Microsoft SQL Server tcp · udp · high risk :5432 PostgreSQL tcp · udp · high risk :6379 Redis tcp · critical risk :27017 MongoDB tcp · critical risk :9200 Elasticsearch tcp · udp · critical risk :1521 Oracle Database tcp · udp · high risk :11211 Memcached tcp · udp · high risk