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Port 364 (aurora-cmgr)

IANA assigns port 364 to aurora-cmgr: Aurora CMGR.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
aurora-cmgr TCP Aurora CMGR Philip Budne -
aurora-cmgr UDP Aurora CMGR Philip Budne -

Check what is listening on port 364

Linux: is anything listening on TCP 364?
sudo ss -tlnp 'sport = :364'
Linux: UDP 364
sudo ss -ulnp 'sport = :364'
Linux / macOS: which process owns the port
sudo lsof -nP -i :364
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':364 '
Windows (Command Prompt)
netstat -ano | findstr :364
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 364 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 364
From Windows
Test-NetConnection HOST -Port 364
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 364

Block port 364 in the firewall

ufw
sudo ufw deny 364/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 364 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 364 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 364' -Direction Inbound -Protocol TCP -LocalPort 364 -Action Block
ufw
sudo ufw deny 364/udp
iptables
sudo iptables -A INPUT -p udp --dport 364 -j DROP
nftables
sudo nft add rule inet filter input udp dport 364 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 364' -Direction Inbound -Protocol UDP -LocalPort 364 -Action Block

Related ports

362srssend363rsvp-tunnel, rsvp_tunnel365dtk366odmr

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