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Port 9106 (astergate, astergate-disc)

IANA assigns port 9106 to astergate, astergate-disc: Astergate Control Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
astergate TCP Astergate Control Service Ari Huisken -
astergate-disc UDP Astergate Discovery Service Ari Huisken -

Registry dates for this port: registered 2010-01-04.

Check what is listening on port 9106

Linux: is anything listening on TCP 9106?
sudo ss -tlnp 'sport = :9106'
Linux: UDP 9106
sudo ss -ulnp 'sport = :9106'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9106
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9106 '
Windows (Command Prompt)
netstat -ano | findstr :9106
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9106 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9106
From Windows
Test-NetConnection HOST -Port 9106
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9106

Block port 9106 in the firewall

ufw
sudo ufw deny 9106/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9106 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9106 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9106' -Direction Inbound -Protocol TCP -LocalPort 9106 -Action Block
ufw
sudo ufw deny 9106/udp
iptables
sudo iptables -A INPUT -p udp --dport 9106 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9106 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9106' -Direction Inbound -Protocol UDP -LocalPort 9106 -Action Block

Related ports

9104peerwire9105xadmin9107astergatefax9111hexxorecore

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