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Port 2307 (pehelp)

IANA assigns port 2307 to pehelp.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
pehelp TCP pehelp Jens Kilian -
pehelp UDP pehelp Jens Kilian -

Check what is listening on port 2307

Linux: is anything listening on TCP 2307?
sudo ss -tlnp 'sport = :2307'
Linux: UDP 2307
sudo ss -ulnp 'sport = :2307'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2307
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2307 '
Windows (Command Prompt)
netstat -ano | findstr :2307
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2307 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2307
From Windows
Test-NetConnection HOST -Port 2307
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2307

Block port 2307 in the firewall

ufw
sudo ufw deny 2307/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2307 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2307 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2307' -Direction Inbound -Protocol TCP -LocalPort 2307 -Action Block
ufw
sudo ufw deny 2307/udp
iptables
sudo iptables -A INPUT -p udp --dport 2307 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2307 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2307' -Direction Inbound -Protocol UDP -LocalPort 2307 -Action Block

Related ports

2305mt-scaleserver2306tappi-boxnet2308sdhelp2309sdserver

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