HTTPfy

Port 47557 (dbbrowse)

IANA assigns port 47557 to dbbrowse: Databeam Corporation.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dbbrowse TCP Databeam Corporation Cindy Martin -
dbbrowse UDP Databeam Corporation Cindy Martin -

Check what is listening on port 47557

Linux: is anything listening on TCP 47557?
sudo ss -tlnp 'sport = :47557'
Linux: UDP 47557
sudo ss -ulnp 'sport = :47557'
Linux / macOS: which process owns the port
sudo lsof -nP -i :47557
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':47557 '
Windows (Command Prompt)
netstat -ano | findstr :47557
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 47557 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 47557
From Windows
Test-NetConnection HOST -Port 47557
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 47557

Block port 47557 in the firewall

ufw
sudo ufw deny 47557/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 47557 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 47557 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 47557' -Direction Inbound -Protocol TCP -LocalPort 47557 -Action Block
ufw
sudo ufw deny 47557/udp
iptables
sudo iptables -A INPUT -p udp --dport 47557 -j DROP
nftables
sudo nft add rule inet filter input udp dport 47557 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 47557' -Direction Inbound -Protocol UDP -LocalPort 47557 -Action Block

Related ports

47001winrm47100jvl-mactalk47624directplaysrvr47806ap

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