HTTPfy

Port 310 (bhmds)

IANA assigns port 310 to bhmds.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
bhmds TCP bhmds John Kelly -
bhmds UDP bhmds John Kelly -

Check what is listening on port 310

Linux: is anything listening on TCP 310?
sudo ss -tlnp 'sport = :310'
Linux: UDP 310
sudo ss -ulnp 'sport = :310'
Linux / macOS: which process owns the port
sudo lsof -nP -i :310
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':310 '
Windows (Command Prompt)
netstat -ano | findstr :310
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 310 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 310
From Windows
Test-NetConnection HOST -Port 310
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 310

Block port 310 in the firewall

ufw
sudo ufw deny 310/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 310 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 310 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 310' -Direction Inbound -Protocol TCP -LocalPort 310 -Action Block
ufw
sudo ufw deny 310/udp
iptables
sudo iptables -A INPUT -p udp --dport 310 -j DROP
nftables
sudo nft add rule inet filter input udp dport 310 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 310' -Direction Inbound -Protocol UDP -LocalPort 310 -Action Block

Related ports

308novastorbakcup309entrusttime311asip-webadmin312vslmp

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