Port 6301 (bmc-ctd-ldap, bmc_ctd_ldap)

IANA assigns port 6301 to bmc-ctd-ldap, bmc_ctd_ldap: BMC CONTROL-D LDAP SERVER IANA assigned this well-formed service name as a replacement for "bmc_ctd_ldap"..

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

bmc-ctd-ldap TCP BMC CONTROL-D LDAP SERVER IANA assigned this well-formed service name as a replacement for "bmc_ctd_ldap". Portnoy Boxman 2 -

bmc_ctd_ldap TCP BMC CONTROL-D LDAP SERVER
This entry is an alias to "bmc-ctd-ldap". This entry is now historic, not usable for use with many common service discovery mechanisms. Portnoy Boxman 2 -

bmc-ctd-ldap UDP BMC CONTROL-D LDAP SERVER IANA assigned this well-formed service name as a replacement for "bmc_ctd_ldap". Portnoy Boxman 2 -

bmc_ctd_ldap UDP BMC CONTROL-D LDAP SERVER
This entry is an alias to "bmc-ctd-ldap". This entry is now historic, not usable for use with many common service discovery mechanisms. Portnoy Boxman 2 -

Registry dates for this port: registered 2006-09.

Check what is listening on port 6301

Linux: is anything listening on TCP 6301?

sudo ss -tlnp 'sport = :6301'

Linux: UDP 6301

sudo ss -ulnp 'sport = :6301'

Linux / macOS: which process owns the port

sudo lsof -nP -i :6301

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':6301 '

Windows (Command Prompt)

netstat -ano | findstr :6301

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6301 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine

nc -vz -w 5 HOST 6301

From Windows

Test-NetConnection HOST -Port 6301

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

nc -vzu -w 5 HOST 6301

Block port 6301 in the firewall

ufw

sudo ufw deny 6301/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 6301 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 6301 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 6301' -Direction Inbound -Protocol TCP -LocalPort 6301 -Action Block

ufw

sudo ufw deny 6301/udp