HTTPfy

Port 2600 (hpstgmgr)

IANA assigns port 2600 to hpstgmgr: HPSTGMGR.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
hpstgmgr TCP HPSTGMGR Kevin Collins -
hpstgmgr UDP HPSTGMGR Kevin Collins -

Check what is listening on port 2600

Linux: is anything listening on TCP 2600?
sudo ss -tlnp 'sport = :2600'
Linux: UDP 2600
sudo ss -ulnp 'sport = :2600'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2600
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2600 '
Windows (Command Prompt)
netstat -ano | findstr :2600
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2600 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2600
From Windows
Test-NetConnection HOST -Port 2600
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2600

Block port 2600 in the firewall

ufw
sudo ufw deny 2600/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2600 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2600 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2600' -Direction Inbound -Protocol TCP -LocalPort 2600 -Action Block
ufw
sudo ufw deny 2600/udp
iptables
sudo iptables -A INPUT -p udp --dport 2600 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2600 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2600' -Direction Inbound -Protocol UDP -LocalPort 2600 -Action Block

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