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Port 2484 (ttc-ssl)

IANA assigns port 2484 to ttc-ssl: Oracle TTC SSL.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ttc-ssl TCP Oracle TTC SSL Chandar Venkataraman -
ttc-ssl UDP Oracle TTC SSL Chandar Venkataraman -

Check what is listening on port 2484

Linux: is anything listening on TCP 2484?
sudo ss -tlnp 'sport = :2484'
Linux: UDP 2484
sudo ss -ulnp 'sport = :2484'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2484
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2484 '
Windows (Command Prompt)
netstat -ano | findstr :2484
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2484 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2484
From Windows
Test-NetConnection HOST -Port 2484
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2484

Block port 2484 in the firewall

ufw
sudo ufw deny 2484/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2484 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2484 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2484' -Direction Inbound -Protocol TCP -LocalPort 2484 -Action Block
ufw
sudo ufw deny 2484/udp
iptables
sudo iptables -A INPUT -p udp --dport 2484 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2484 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2484' -Direction Inbound -Protocol UDP -LocalPort 2484 -Action Block

Related ports

2482giop-ssl2483ttc2485netobjects12486netobjects2

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