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Port 269 (manet)

IANA assigns port 269 to manet: MANET Protocols.

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

IANA assignment

Service nameProtoDescriptionAssigneeReference
manet TCP MANET Protocols - RFC 5498
manet UDP MANET Protocols - RFC 5498

Check what is listening on port 269

Linux: is anything listening on TCP 269?
sudo ss -tlnp 'sport = :269'
Linux: UDP 269
sudo ss -ulnp 'sport = :269'
Linux / macOS: which process owns the port
sudo lsof -nP -i :269
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':269 '
Windows (Command Prompt)
netstat -ano | findstr :269
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 269 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 269
From Windows
Test-NetConnection HOST -Port 269
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 269

Block port 269 in the firewall

ufw
sudo ufw deny 269/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 269 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 269 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 269' -Direction Inbound -Protocol TCP -LocalPort 269 -Action Block
ufw
sudo ufw deny 269/udp
iptables
sudo iptables -A INPUT -p udp --dport 269 -j DROP
nftables
sudo nft add rule inet filter input udp dport 269 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 269' -Direction Inbound -Protocol UDP -LocalPort 269 -Action Block

Related ports

267td-service268td-replica270gist271pt-tls

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