HTTPfy

Port 3244 (onesaf)

IANA assigns port 3244 to onesaf: OneSAF.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
onesaf TCP OneSAF Gene McCulley -
onesaf UDP OneSAF Gene McCulley -

Registry dates for this port: registered 2002-02.

Check what is listening on port 3244

Linux: is anything listening on TCP 3244?
sudo ss -tlnp 'sport = :3244'
Linux: UDP 3244
sudo ss -ulnp 'sport = :3244'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3244
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3244 '
Windows (Command Prompt)
netstat -ano | findstr :3244
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3244 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3244
From Windows
Test-NetConnection HOST -Port 3244
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3244

Block port 3244 in the firewall

ufw
sudo ufw deny 3244/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3244 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3244 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3244' -Direction Inbound -Protocol TCP -LocalPort 3244 -Action Block
ufw
sudo ufw deny 3244/udp
iptables
sudo iptables -A INPUT -p udp --dport 3244 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3244 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3244' -Direction Inbound -Protocol UDP -LocalPort 3244 -Action Block

Related ports

3242sdp-id-port3243timelot3245vieo-fe3246dvt-system

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.