HTTPfy

Port 3019 (resource-mgr, resource_mgr)

IANA assigns port 3019 to resource-mgr, resource_mgr: Resource Manager IANA assigned this well-formed service name as a replacement for "resource_mgr"..

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
resource-mgr TCP Resource Manager IANA assigned this well-formed service name as a replacement for "resource_mgr". Gary Glover -
resource_mgr TCP Resource Manager
This entry is an alias to "resource-mgr". This entry is now historic, not usable for use with many common service discovery mechanisms.
Gary Glover -
resource-mgr UDP Resource Manager IANA assigned this well-formed service name as a replacement for "resource_mgr". Gary Glover -
resource_mgr UDP Resource Manager
This entry is an alias to "resource-mgr". This entry is now historic, not usable for use with many common service discovery mechanisms.
Gary Glover -

Check what is listening on port 3019

Linux: is anything listening on TCP 3019?
sudo ss -tlnp 'sport = :3019'
Linux: UDP 3019
sudo ss -ulnp 'sport = :3019'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3019
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3019 '
Windows (Command Prompt)
netstat -ano | findstr :3019
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3019 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3019
From Windows
Test-NetConnection HOST -Port 3019
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3019

Block port 3019 in the firewall

ufw
sudo ufw deny 3019/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3019 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3019 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3019' -Direction Inbound -Protocol TCP -LocalPort 3019 -Action Block
ufw
sudo ufw deny 3019/udp
iptables
sudo iptables -A INPUT -p udp --dport 3019 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3019 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3019' -Direction Inbound -Protocol UDP -LocalPort 3019 -Action Block

Related ports

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