Port 2915 (tksocket)

IANA assigns port 2915 to tksocket: TK Socket.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

tksocket TCP TK Socket Dino Ciano -

tksocket UDP TK Socket Dino Ciano -

Registry dates for this port: registered 2011-03-02.

Linux: is anything listening on TCP 2915?

sudo ss -tlnp 'sport = :2915'

Linux: UDP 2915

sudo ss -ulnp 'sport = :2915'

Linux / macOS: which process owns the port

sudo lsof -nP -i :2915

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':2915 '

Windows (Command Prompt)

netstat -ano | findstr :2915

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2915 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 2915

From Windows

Test-NetConnection HOST -Port 2915

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 2915

ufw

sudo ufw deny 2915/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 2915 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 2915 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 2915' -Direction Inbound -Protocol TCP -LocalPort 2915 -Action Block

ufw

sudo ufw deny 2915/udp

iptables

sudo iptables -A INPUT -p udp --dport 2915 -j DROP

nftables

sudo nft add rule inet filter input udp dport 2915 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block UDP 2915' -Direction Inbound -Protocol UDP -LocalPort 2915 -Action Block

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