HTTPfy

Port 2680 (pxc-sapxom)

IANA assigns port 2680 to pxc-sapxom.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
pxc-sapxom TCP pxc-sapxom Hideki Kiriyama -
pxc-sapxom UDP pxc-sapxom Hideki Kiriyama -

Check what is listening on port 2680

Linux: is anything listening on TCP 2680?
sudo ss -tlnp 'sport = :2680'
Linux: UDP 2680
sudo ss -ulnp 'sport = :2680'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2680
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2680 '
Windows (Command Prompt)
netstat -ano | findstr :2680
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2680 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2680
From Windows
Test-NetConnection HOST -Port 2680
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2680

Block port 2680 in the firewall

ufw
sudo ufw deny 2680/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2680 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2680 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2680' -Direction Inbound -Protocol TCP -LocalPort 2680 -Action Block
ufw
sudo ufw deny 2680/udp
iptables
sudo iptables -A INPUT -p udp --dport 2680 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2680 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2680' -Direction Inbound -Protocol UDP -LocalPort 2680 -Action Block

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