HTTPfy

Port 2454 (indx-dds)

IANA assigns port 2454 to indx-dds: IndX-DDS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
indx-dds TCP IndX-DDS Paul Carmichael -
indx-dds UDP IndX-DDS Paul Carmichael -

Check what is listening on port 2454

Linux: is anything listening on TCP 2454?
sudo ss -tlnp 'sport = :2454'
Linux: UDP 2454
sudo ss -ulnp 'sport = :2454'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2454
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2454 '
Windows (Command Prompt)
netstat -ano | findstr :2454
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2454 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2454
From Windows
Test-NetConnection HOST -Port 2454
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2454

Block port 2454 in the firewall

ufw
sudo ufw deny 2454/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2454 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2454 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2454' -Direction Inbound -Protocol TCP -LocalPort 2454 -Action Block
ufw
sudo ufw deny 2454/udp
iptables
sudo iptables -A INPUT -p udp --dport 2454 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2454 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2454' -Direction Inbound -Protocol UDP -LocalPort 2454 -Action Block

Related ports

2452snifferclient2453madge-ltd2455wago-io-system2456altav-remmgt

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