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Port 2394 (ms-olap2)

IANA assigns port 2394 to ms-olap2: MS OLAP 2.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ms-olap2 TCP MS OLAP 2 Mosha Pasumansky -
ms-olap2 UDP MS OLAP 2 Mosha Pasumansky -

Check what is listening on port 2394

Linux: is anything listening on TCP 2394?
sudo ss -tlnp 'sport = :2394'
Linux: UDP 2394
sudo ss -ulnp 'sport = :2394'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2394
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2394 '
Windows (Command Prompt)
netstat -ano | findstr :2394
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2394 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2394
From Windows
Test-NetConnection HOST -Port 2394
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2394

Block port 2394 in the firewall

ufw
sudo ufw deny 2394/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2394 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2394 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2394' -Direction Inbound -Protocol TCP -LocalPort 2394 -Action Block
ufw
sudo ufw deny 2394/udp
iptables
sudo iptables -A INPUT -p udp --dport 2394 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2394 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2394' -Direction Inbound -Protocol UDP -LocalPort 2394 -Action Block

Related ports

2392tacticalauth2393ms-olap12395lan900-remote, lan900_remote2396wusage

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