HTTPfy

Port 8911 (manyone-xml)

IANA assigns port 8911 to manyone-xml.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
manyone-xml TCP manyone-xml Matt King -
manyone-xml UDP manyone-xml Matt King -

Registry dates for this port: registered 2002-04.

Check what is listening on port 8911

Linux: is anything listening on TCP 8911?
sudo ss -tlnp 'sport = :8911'
Linux: UDP 8911
sudo ss -ulnp 'sport = :8911'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8911
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8911 '
Windows (Command Prompt)
netstat -ano | findstr :8911
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8911 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8911
From Windows
Test-NetConnection HOST -Port 8911
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8911

Block port 8911 in the firewall

ufw
sudo ufw deny 8911/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8911 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8911 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8911' -Direction Inbound -Protocol TCP -LocalPort 8911 -Action Block
ufw
sudo ufw deny 8911/udp
iptables
sudo iptables -A INPUT -p udp --dport 8911 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8911 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8911' -Direction Inbound -Protocol UDP -LocalPort 8911 -Action Block

Related ports

8908dpp8910manyone-http8912wcbackup8913dragonfly

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