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Port 2848 (amt-blc-port)

IANA assigns port 2848 to amt-blc-port: AMT-BLC-PORT.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
amt-blc-port TCP AMT-BLC-PORT Sandra Frulloni -
amt-blc-port UDP AMT-BLC-PORT Sandra Frulloni -

Check what is listening on port 2848

Linux: is anything listening on TCP 2848?
sudo ss -tlnp 'sport = :2848'
Linux: UDP 2848
sudo ss -ulnp 'sport = :2848'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2848
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2848 '
Windows (Command Prompt)
netstat -ano | findstr :2848
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2848 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2848
From Windows
Test-NetConnection HOST -Port 2848
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2848

Block port 2848 in the firewall

ufw
sudo ufw deny 2848/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2848 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2848 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2848' -Direction Inbound -Protocol TCP -LocalPort 2848 -Action Block
ufw
sudo ufw deny 2848/udp
iptables
sudo iptables -A INPUT -p udp --dport 2848 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2848 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2848' -Direction Inbound -Protocol UDP -LocalPort 2848 -Action Block

Related ports

2846aimpp-hello2847aimpp-port-req2849fxp2850metaconsole

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