HTTPfy

Port 615 (sco-inetmgr)

IANA assigns port 615 to sco-inetmgr: Internet Configuration Manager.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sco-inetmgr TCP Internet Configuration Manager - -
sco-inetmgr UDP Internet Configuration Manager - -

Check what is listening on port 615

Linux: is anything listening on TCP 615?
sudo ss -tlnp 'sport = :615'
Linux: UDP 615
sudo ss -ulnp 'sport = :615'
Linux / macOS: which process owns the port
sudo lsof -nP -i :615
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':615 '
Windows (Command Prompt)
netstat -ano | findstr :615
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 615 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 615
From Windows
Test-NetConnection HOST -Port 615
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 615

Block port 615 in the firewall

ufw
sudo ufw deny 615/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 615 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 615 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 615' -Direction Inbound -Protocol TCP -LocalPort 615 -Action Block
ufw
sudo ufw deny 615/udp
iptables
sudo iptables -A INPUT -p udp --dport 615 -j DROP
nftables
sudo nft add rule inet filter input udp dport 615 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 615' -Direction Inbound -Protocol UDP -LocalPort 615 -Action Block

Related ports

613hmmp-op614sshell616sco-sysmgr617sco-dtmgr

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