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Port 2867 (esps-portal)

IANA assigns port 2867 to esps-portal.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
esps-portal TCP esps-portal Nicholas Stowfis -
esps-portal UDP esps-portal Nicholas Stowfis -

Check what is listening on port 2867

Linux: is anything listening on TCP 2867?
sudo ss -tlnp 'sport = :2867'
Linux: UDP 2867
sudo ss -ulnp 'sport = :2867'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2867
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2867 '
Windows (Command Prompt)
netstat -ano | findstr :2867
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2867 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2867
From Windows
Test-NetConnection HOST -Port 2867
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2867

Block port 2867 in the firewall

ufw
sudo ufw deny 2867/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2867 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2867 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2867' -Direction Inbound -Protocol TCP -LocalPort 2867 -Action Block
ufw
sudo ufw deny 2867/udp
iptables
sudo iptables -A INPUT -p udp --dport 2867 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2867 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2867' -Direction Inbound -Protocol UDP -LocalPort 2867 -Action Block

Related ports

2865pit-vpn2866iwlistener2868npep-messaging2869icslap

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