Port 5157 (mediat)

IANA assigns port 5157 to mediat: Mediat Remote Object Exchange.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

mediat TCP Mediat Remote Object Exchange Oliver Anan -

Registry dates for this port: registered 2010-09-02.

Linux: is anything listening on TCP 5157?

sudo ss -tlnp 'sport = :5157'

Linux / macOS: which process owns the port

sudo lsof -nP -i :5157

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':5157 '

Windows (Command Prompt)

netstat -ano | findstr :5157

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5157 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 5157

From Windows

Test-NetConnection HOST -Port 5157

ufw

sudo ufw deny 5157/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 5157 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 5157 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 5157' -Direction Inbound -Protocol TCP -LocalPort 5157 -Action Block

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