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Port 1154 (resacommunity)

IANA assigns port 1154 to resacommunity: Community Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
resacommunity TCP Community Service Stephane MONS -
resacommunity UDP Community Service Stephane MONS -

Registry dates for this port: registered 2005-09.

Check what is listening on port 1154

Linux: is anything listening on TCP 1154?
sudo ss -tlnp 'sport = :1154'
Linux: UDP 1154
sudo ss -ulnp 'sport = :1154'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1154
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1154 '
Windows (Command Prompt)
netstat -ano | findstr :1154
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1154 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1154
From Windows
Test-NetConnection HOST -Port 1154
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1154

Block port 1154 in the firewall

ufw
sudo ufw deny 1154/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1154 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1154 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1154' -Direction Inbound -Protocol TCP -LocalPort 1154 -Action Block
ufw
sudo ufw deny 1154/udp
iptables
sudo iptables -A INPUT -p udp --dport 1154 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1154 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1154' -Direction Inbound -Protocol UDP -LocalPort 1154 -Action Block

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