HTTPfy

Port 26262 (k3software-svr)

IANA assigns port 26262 to k3software-svr: K3 Software-Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
k3software-svr TCP K3 Software-Server Jim Baldridge -
k3software-svr UDP K3 Software-Server Jim Baldridge -

Check what is listening on port 26262

Linux: is anything listening on TCP 26262?
sudo ss -tlnp 'sport = :26262'
Linux: UDP 26262
sudo ss -ulnp 'sport = :26262'
Linux / macOS: which process owns the port
sudo lsof -nP -i :26262
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':26262 '
Windows (Command Prompt)
netstat -ano | findstr :26262
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 26262 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 26262
From Windows
Test-NetConnection HOST -Port 26262
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 26262

Block port 26262 in the firewall

ufw
sudo ufw deny 26262/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 26262 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 26262 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 26262' -Direction Inbound -Protocol TCP -LocalPort 26262 -Action Block
ufw
sudo ufw deny 26262/udp
iptables
sudo iptables -A INPUT -p udp --dport 26262 -j DROP
nftables
sudo nft add rule inet filter input udp dport 26262 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 26262' -Direction Inbound -Protocol UDP -LocalPort 26262 -Action Block

Related ports

26260ezproxy26261ezmeeting26263k3software-cli26486exoline-tcp, exoline-udp

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