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Port 602 (xmlrpc-beep)

IANA assigns port 602 to xmlrpc-beep: XML-RPC over BEEP.

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

IANA assignment

Service nameProtoDescriptionAssigneeReference
xmlrpc-beep TCP XML-RPC over BEEP - RFC 3529
xmlrpc-beep UDP XML-RPC over BEEP - RFC 3529

Check what is listening on port 602

Linux: is anything listening on TCP 602?
sudo ss -tlnp 'sport = :602'
Linux: UDP 602
sudo ss -ulnp 'sport = :602'
Linux / macOS: which process owns the port
sudo lsof -nP -i :602
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':602 '
Windows (Command Prompt)
netstat -ano | findstr :602
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 602 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 602
From Windows
Test-NetConnection HOST -Port 602
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 602

Block port 602 in the firewall

ufw
sudo ufw deny 602/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 602 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 602 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 602' -Direction Inbound -Protocol TCP -LocalPort 602 -Action Block
ufw
sudo ufw deny 602/udp
iptables
sudo iptables -A INPUT -p udp --dport 602 -j DROP
nftables
sudo nft add rule inet filter input udp dport 602 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 602' -Direction Inbound -Protocol UDP -LocalPort 602 -Action Block

Related ports

600ipcserver601Syslog (reliable, TCP)603idxp604tunnel

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