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Port 5102 (oms-nonsecure)

IANA assigns port 5102 to oms-nonsecure: Oracle OMS non-secure.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
oms-nonsecure TCP Oracle OMS non-secure Todd Guay -
oms-nonsecure UDP Oracle OMS non-secure Todd Guay -

Registry dates for this port: registered 2005-08.

Check what is listening on port 5102

Linux: is anything listening on TCP 5102?
sudo ss -tlnp 'sport = :5102'
Linux: UDP 5102
sudo ss -ulnp 'sport = :5102'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5102
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5102 '
Windows (Command Prompt)
netstat -ano | findstr :5102
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5102 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5102
From Windows
Test-NetConnection HOST -Port 5102
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5102

Block port 5102 in the firewall

ufw
sudo ufw deny 5102/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5102 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5102 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5102' -Direction Inbound -Protocol TCP -LocalPort 5102 -Action Block
ufw
sudo ufw deny 5102/udp
iptables
sudo iptables -A INPUT -p udp --dport 5102 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5102 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5102' -Direction Inbound -Protocol UDP -LocalPort 5102 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.