Port 5115 (autobuild)

IANA assigns port 5115 to autobuild: Symantec Autobuild Service.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

autobuild TCP Symantec Autobuild Service David Warden -

Registry dates for this port: registered 2008-11-17.

Linux: is anything listening on TCP 5115?

sudo ss -tlnp 'sport = :5115'

Linux / macOS: which process owns the port

sudo lsof -nP -i :5115

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':5115 '

Windows (Command Prompt)

netstat -ano | findstr :5115

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5115 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 5115

From Windows

Test-NetConnection HOST -Port 5115

ufw

sudo ufw deny 5115/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 5115 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 5115 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 5115' -Direction Inbound -Protocol TCP -LocalPort 5115 -Action Block

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