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Port 1029 (solid-mux)

IANA assigns port 1029 to solid-mux: Solid Mux Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
solid-mux TCP Solid Mux Server Anders Borg -
solid-mux UDP Solid Mux Server Anders Borg -

Registry dates for this port: registered 2004-11.

Check what is listening on port 1029

Linux: is anything listening on TCP 1029?
sudo ss -tlnp 'sport = :1029'
Linux: UDP 1029
sudo ss -ulnp 'sport = :1029'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1029
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1029 '
Windows (Command Prompt)
netstat -ano | findstr :1029
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1029 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1029
From Windows
Test-NetConnection HOST -Port 1029
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1029

Block port 1029 in the firewall

ufw
sudo ufw deny 1029/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1029 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1029 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1029' -Direction Inbound -Protocol TCP -LocalPort 1029 -Action Block
ufw
sudo ufw deny 1029/udp
iptables
sudo iptables -A INPUT -p udp --dport 1029 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1029 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1029' -Direction Inbound -Protocol UDP -LocalPort 1029 -Action Block

Related ports

1026cap10276a441033netinfo-local1034activesync

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