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Port 2268 (amt)

IANA assigns port 2268 to amt: AMT.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
amt TCP AMT IESG RFC 7450
amt UDP AMT IESG RFC 7450

Registry dates for this port: registered 2004-12, last modified 2014-12-17.

Check what is listening on port 2268

Linux: is anything listening on TCP 2268?
sudo ss -tlnp 'sport = :2268'
Linux: UDP 2268
sudo ss -ulnp 'sport = :2268'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2268
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2268 '
Windows (Command Prompt)
netstat -ano | findstr :2268
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2268 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2268
From Windows
Test-NetConnection HOST -Port 2268
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2268

Block port 2268 in the firewall

ufw
sudo ufw deny 2268/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2268 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2268 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2268' -Direction Inbound -Protocol TCP -LocalPort 2268 -Action Block
ufw
sudo ufw deny 2268/udp
iptables
sudo iptables -A INPUT -p udp --dport 2268 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2268 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2268' -Direction Inbound -Protocol UDP -LocalPort 2268 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.