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Port 2956 (ovrimosdbman)

IANA assigns port 2956 to ovrimosdbman: OVRIMOSDBMAN.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ovrimosdbman TCP OVRIMOSDBMAN Dimitrios Souflis -
ovrimosdbman UDP OVRIMOSDBMAN Dimitrios Souflis -

Check what is listening on port 2956

Linux: is anything listening on TCP 2956?
sudo ss -tlnp 'sport = :2956'
Linux: UDP 2956
sudo ss -ulnp 'sport = :2956'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2956
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2956 '
Windows (Command Prompt)
netstat -ano | findstr :2956
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2956 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2956
From Windows
Test-NetConnection HOST -Port 2956
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2956

Block port 2956 in the firewall

ufw
sudo ufw deny 2956/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2956 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2956 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2956' -Direction Inbound -Protocol TCP -LocalPort 2956 -Action Block
ufw
sudo ufw deny 2956/udp
iptables
sudo iptables -A INPUT -p udp --dport 2956 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2956 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2956' -Direction Inbound -Protocol UDP -LocalPort 2956 -Action Block

Related ports

2954ovalarmsrv-cmd2955csnotify2957jmact52958jmact6

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