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Port 48619 (iqobject)

IANA assigns port 48619 to iqobject.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
iqobject TCP iqobject Bjorn de Bonnenfant -
iqobject UDP iqobject Bjorn de Bonnenfant -

Registry dates for this port: registered 2003-11.

Check what is listening on port 48619

Linux: is anything listening on TCP 48619?
sudo ss -tlnp 'sport = :48619'
Linux: UDP 48619
sudo ss -ulnp 'sport = :48619'
Linux / macOS: which process owns the port
sudo lsof -nP -i :48619
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':48619 '
Windows (Command Prompt)
netstat -ano | findstr :48619
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 48619 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 48619
From Windows
Test-NetConnection HOST -Port 48619
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 48619

Block port 48619 in the firewall

ufw
sudo ufw deny 48619/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 48619 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 48619 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 48619' -Direction Inbound -Protocol TCP -LocalPort 48619 -Action Block
ufw
sudo ufw deny 48619/udp
iptables
sudo iptables -A INPUT -p udp --dport 48619 -j DROP
nftables
sudo nft add rule inet filter input udp dport 48619 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 48619' -Direction Inbound -Protocol UDP -LocalPort 48619 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.