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Port 6113 (dayliteserver)

IANA assigns port 6113 to dayliteserver: Daylite Server.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dayliteserver TCP Daylite Server Brent Gulanowski -

Registry dates for this port: registered 2009-08-26.

Check what is listening on port 6113

Linux: is anything listening on TCP 6113?
sudo ss -tlnp 'sport = :6113'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6113
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6113 '
Windows (Command Prompt)
netstat -ano | findstr :6113
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6113 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6113
From Windows
Test-NetConnection HOST -Port 6113

Block port 6113 in the firewall

ufw
sudo ufw deny 6113/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6113 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6113 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6113' -Direction Inbound -Protocol TCP -LocalPort 6113 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.