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Port 5196 (ampl-tableproxy)

IANA assigns port 5196 to ampl-tableproxy: The protocol is used by two programs that exchange "table" data used in the AMPL modeling language.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ampl-tableproxy TCP The protocol is used by two programs that exchange "table" data used in the AMPL modeling language AMPL Optimization -

Registry dates for this port: registered 2012-05-25.

Check what is listening on port 5196

Linux: is anything listening on TCP 5196?
sudo ss -tlnp 'sport = :5196'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5196
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5196 '
Windows (Command Prompt)
netstat -ano | findstr :5196
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5196 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5196
From Windows
Test-NetConnection HOST -Port 5196

Block port 5196 in the firewall

ufw
sudo ufw deny 5196/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5196 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5196 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5196' -Direction Inbound -Protocol TCP -LocalPort 5196 -Action Block

Related ports

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