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Port 3013 (gilatskysurfer)

IANA assigns port 3013 to gilatskysurfer: Gilat Sky Surfer.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
gilatskysurfer TCP Gilat Sky Surfer Yossi Gal -
gilatskysurfer UDP Gilat Sky Surfer Yossi Gal -

Check what is listening on port 3013

Linux: is anything listening on TCP 3013?
sudo ss -tlnp 'sport = :3013'
Linux: UDP 3013
sudo ss -ulnp 'sport = :3013'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3013
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3013 '
Windows (Command Prompt)
netstat -ano | findstr :3013
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3013 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3013
From Windows
Test-NetConnection HOST -Port 3013
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3013

Block port 3013 in the firewall

ufw
sudo ufw deny 3013/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3013 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3013 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3013' -Direction Inbound -Protocol TCP -LocalPort 3013 -Action Block
ufw
sudo ufw deny 3013/udp
iptables
sudo iptables -A INPUT -p udp --dport 3013 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3013 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3013' -Direction Inbound -Protocol UDP -LocalPort 3013 -Action Block

Related ports

3011trusted-web3012twsdss3014broker-service, broker_service3015nati-dstp

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