Port 6445 (sge-execd, sge_execd)

IANA assigns port 6445 to sge-execd, sge_execd: Grid Engine Execution Service IANA assigned this well-formed service name as a replacement for "sge_execd"..

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

sge-execd TCP Grid Engine Execution Service IANA assigned this well-formed service name as a replacement for "sge_execd". Andreas Haas -

sge_execd TCP Grid Engine Execution Service
This entry is an alias to "sge-execd". This entry is now historic, not usable for use with many common service discovery mechanisms. Andreas Haas -

sge-execd UDP Grid Engine Execution Service IANA assigned this well-formed service name as a replacement for "sge_execd". Andreas Haas -

sge_execd UDP Grid Engine Execution Service
This entry is an alias to "sge-execd". This entry is now historic, not usable for use with many common service discovery mechanisms. Andreas Haas -

Registry dates for this port: registered 2006-08.

Check what is listening on port 6445

Linux: is anything listening on TCP 6445?

sudo ss -tlnp 'sport = :6445'

Linux: UDP 6445

sudo ss -ulnp 'sport = :6445'

Linux / macOS: which process owns the port

sudo lsof -nP -i :6445

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':6445 '

Windows (Command Prompt)

netstat -ano | findstr :6445

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6445 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine

nc -vz -w 5 HOST 6445

From Windows

Test-NetConnection HOST -Port 6445

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

nc -vzu -w 5 HOST 6445

Block port 6445 in the firewall

ufw

sudo ufw deny 6445/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 6445 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 6445 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 6445' -Direction Inbound -Protocol TCP -LocalPort 6445 -Action Block

ufw

sudo ufw deny 6445/udp