HTTPfy

Port 2959 (rmopagt)

IANA assigns port 2959 to rmopagt: RMOPAGT.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
rmopagt TCP RMOPAGT Shuji Okubo -
rmopagt UDP RMOPAGT Shuji Okubo -

Check what is listening on port 2959

Linux: is anything listening on TCP 2959?
sudo ss -tlnp 'sport = :2959'
Linux: UDP 2959
sudo ss -ulnp 'sport = :2959'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2959
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2959 '
Windows (Command Prompt)
netstat -ano | findstr :2959
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2959 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2959
From Windows
Test-NetConnection HOST -Port 2959
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2959

Block port 2959 in the firewall

ufw
sudo ufw deny 2959/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2959 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2959 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2959' -Direction Inbound -Protocol TCP -LocalPort 2959 -Action Block
ufw
sudo ufw deny 2959/udp
iptables
sudo iptables -A INPUT -p udp --dport 2959 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2959 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2959' -Direction Inbound -Protocol UDP -LocalPort 2959 -Action Block

Related ports

2957jmact52958jmact62960dfoxserver2961boldsoft-lm

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