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Port 2958 (jmact6)

IANA assigns port 2958 to jmact6: JAMCT6.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
jmact6 TCP JAMCT6 - -
jmact6 UDP JAMCT6 - -

Check what is listening on port 2958

Linux: is anything listening on TCP 2958?
sudo ss -tlnp 'sport = :2958'
Linux: UDP 2958
sudo ss -ulnp 'sport = :2958'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2958
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2958 '
Windows (Command Prompt)
netstat -ano | findstr :2958
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2958 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2958
From Windows
Test-NetConnection HOST -Port 2958
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2958

Block port 2958 in the firewall

ufw
sudo ufw deny 2958/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2958 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2958 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2958' -Direction Inbound -Protocol TCP -LocalPort 2958 -Action Block
ufw
sudo ufw deny 2958/udp
iptables
sudo iptables -A INPUT -p udp --dport 2958 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2958 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2958' -Direction Inbound -Protocol UDP -LocalPort 2958 -Action Block

Related ports

2956ovrimosdbman2957jmact52959rmopagt2960dfoxserver

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