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Port 3715 (anoto-rendezv)

IANA assigns port 3715 to anoto-rendezv: Anoto Rendezvous Port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
anoto-rendezv TCP Anoto Rendezvous Port Ola Sandstrom -
anoto-rendezv UDP Anoto Rendezvous Port Ola Sandstrom -

Registry dates for this port: registered 2003-03.

Check what is listening on port 3715

Linux: is anything listening on TCP 3715?
sudo ss -tlnp 'sport = :3715'
Linux: UDP 3715
sudo ss -ulnp 'sport = :3715'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3715
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3715 '
Windows (Command Prompt)
netstat -ano | findstr :3715
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3715 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3715
From Windows
Test-NetConnection HOST -Port 3715
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3715

Block port 3715 in the firewall

ufw
sudo ufw deny 3715/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3715 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3715 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3715' -Direction Inbound -Protocol TCP -LocalPort 3715 -Action Block
ufw
sudo ufw deny 3715/udp
iptables
sudo iptables -A INPUT -p udp --dport 3715 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3715 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3715' -Direction Inbound -Protocol UDP -LocalPort 3715 -Action Block

Related ports

3713tftps3714delos-dms3716wv-csp-sms-cir3717wv-csp-udp-cir

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