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Port 1146 (audit-transfer)

IANA assigns port 1146 to audit-transfer: audit transfer.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
audit-transfer TCP audit transfer Mark Wahl -
audit-transfer UDP audit transfer Mark Wahl -

Registry dates for this port: registered 2005-11.

Check what is listening on port 1146

Linux: is anything listening on TCP 1146?
sudo ss -tlnp 'sport = :1146'
Linux: UDP 1146
sudo ss -ulnp 'sport = :1146'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1146
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1146 '
Windows (Command Prompt)
netstat -ano | findstr :1146
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1146 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1146
From Windows
Test-NetConnection HOST -Port 1146
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1146

Block port 1146 in the firewall

ufw
sudo ufw deny 1146/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1146 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1146 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1146' -Direction Inbound -Protocol TCP -LocalPort 1146 -Action Block
ufw
sudo ufw deny 1146/udp
iptables
sudo iptables -A INPUT -p udp --dport 1146 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1146 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1146' -Direction Inbound -Protocol UDP -LocalPort 1146 -Action Block

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