Port 2917 (elvin-client, elvin_client)

IANA assigns port 2917 to elvin-client, elvin_client: Elvin Client IANA assigned this well-formed service name as a replacement for "elvin_client"..

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

elvin-client TCP Elvin Client IANA assigned this well-formed service name as a replacement for "elvin_client". David Arnold -

elvin_client TCP Elvin Client
This entry is an alias to "elvin-client". This entry is now historic, not usable for use with many common service discovery mechanisms. David Arnold -

elvin-client UDP Elvin Client IANA assigned this well-formed service name as a replacement for "elvin_client". David Arnold -

elvin_client UDP Elvin Client
This entry is an alias to "elvin-client". This entry is now historic, not usable for use with many common service discovery mechanisms. David Arnold -

Check what is listening on port 2917

Linux: is anything listening on TCP 2917?

sudo ss -tlnp 'sport = :2917'

Linux: UDP 2917

sudo ss -ulnp 'sport = :2917'

Linux / macOS: which process owns the port

sudo lsof -nP -i :2917

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':2917 '

Windows (Command Prompt)

netstat -ano | findstr :2917

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2917 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine

nc -vz -w 5 HOST 2917

From Windows

Test-NetConnection HOST -Port 2917

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

nc -vzu -w 5 HOST 2917

Block port 2917 in the firewall

ufw

sudo ufw deny 2917/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 2917 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 2917 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 2917' -Direction Inbound -Protocol TCP -LocalPort 2917 -Action Block

ufw

sudo ufw deny 2917/udp