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Port 1714 (sesi-lm)

IANA assigns port 1714 to sesi-lm.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sesi-lm TCP sesi-lm - -
sesi-lm UDP sesi-lm - -

Check what is listening on port 1714

Linux: is anything listening on TCP 1714?
sudo ss -tlnp 'sport = :1714'
Linux: UDP 1714
sudo ss -ulnp 'sport = :1714'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1714
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1714 '
Windows (Command Prompt)
netstat -ano | findstr :1714
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1714 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1714
From Windows
Test-NetConnection HOST -Port 1714
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1714

Block port 1714 in the firewall

ufw
sudo ufw deny 1714/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1714 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1714 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1714' -Direction Inbound -Protocol TCP -LocalPort 1714 -Action Block
ufw
sudo ufw deny 1714/udp
iptables
sudo iptables -A INPUT -p udp --dport 1714 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1714 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1714' -Direction Inbound -Protocol UDP -LocalPort 1714 -Action Block

Related ports

1712registrar1713conferencetalk1715houdini-lm1716xmsg

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