HTTPfy

Port 7281 (itactionserver2)

IANA assigns port 7281 to itactionserver2: ITACTIONSERVER 2.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
itactionserver2 TCP ITACTIONSERVER 2 Brian Taylor -
itactionserver2 UDP ITACTIONSERVER 2 Brian Taylor -

Check what is listening on port 7281

Linux: is anything listening on TCP 7281?
sudo ss -tlnp 'sport = :7281'
Linux: UDP 7281
sudo ss -ulnp 'sport = :7281'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7281
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7281 '
Windows (Command Prompt)
netstat -ano | findstr :7281
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7281 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7281
From Windows
Test-NetConnection HOST -Port 7281
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7281

Block port 7281 in the firewall

ufw
sudo ufw deny 7281/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7281 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7281 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7281' -Direction Inbound -Protocol TCP -LocalPort 7281 -Action Block
ufw
sudo ufw deny 7281/udp
iptables
sudo iptables -A INPUT -p udp --dport 7281 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7281 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7281' -Direction Inbound -Protocol UDP -LocalPort 7281 -Action Block

Related ports

7279ctxlic7280itactionserver17282mzca-action, mzca-alert7283genstat

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