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Port 13785 (nbdb)

IANA assigns port 13785 to nbdb: NetBackup Database.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
nbdb TCP NetBackup Database Pat Tovo -
nbdb UDP NetBackup Database Pat Tovo -

Registry dates for this port: registered 2004-12.

Check what is listening on port 13785

Linux: is anything listening on TCP 13785?
sudo ss -tlnp 'sport = :13785'
Linux: UDP 13785
sudo ss -ulnp 'sport = :13785'
Linux / macOS: which process owns the port
sudo lsof -nP -i :13785
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':13785 '
Windows (Command Prompt)
netstat -ano | findstr :13785
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 13785 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 13785
From Windows
Test-NetConnection HOST -Port 13785
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 13785

Block port 13785 in the firewall

ufw
sudo ufw deny 13785/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 13785 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 13785 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 13785' -Direction Inbound -Protocol TCP -LocalPort 13785 -Action Block
ufw
sudo ufw deny 13785/udp
iptables
sudo iptables -A INPUT -p udp --dport 13785 -j DROP
nftables
sudo nft add rule inet filter input udp dport 13785 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 13785' -Direction Inbound -Protocol UDP -LocalPort 13785 -Action Block

Related ports

13782bpcd13783vopied13786nomdb13818dsmcc-config

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