HTTPfy

Port 2368 (opentable)

IANA assigns port 2368 to opentable: OpenTable.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
opentable TCP OpenTable Brett Goldstein -
opentable UDP OpenTable Brett Goldstein -

Check what is listening on port 2368

Linux: is anything listening on TCP 2368?
sudo ss -tlnp 'sport = :2368'
Linux: UDP 2368
sudo ss -ulnp 'sport = :2368'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2368
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2368 '
Windows (Command Prompt)
netstat -ano | findstr :2368
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2368 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2368
From Windows
Test-NetConnection HOST -Port 2368
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2368

Block port 2368 in the firewall

ufw
sudo ufw deny 2368/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2368 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2368 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2368' -Direction Inbound -Protocol TCP -LocalPort 2368 -Action Block
ufw
sudo ufw deny 2368/udp
iptables
sudo iptables -A INPUT -p udp --dport 2368 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2368 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2368' -Direction Inbound -Protocol UDP -LocalPort 2368 -Action Block

Related ports

2366qip-login2367service-ctrl2369bif-p2p2370l3-hbmon

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