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Port 5070 (vtsas)

IANA assigns port 5070 to vtsas: VersaTrans Server Agent Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
vtsas TCP VersaTrans Server Agent Service Christopher Miller -
vtsas UDP VersaTrans Server Agent Service Christopher Miller -

Registry dates for this port: registered 2006-02.

Check what is listening on port 5070

Linux: is anything listening on TCP 5070?
sudo ss -tlnp 'sport = :5070'
Linux: UDP 5070
sudo ss -ulnp 'sport = :5070'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5070
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5070 '
Windows (Command Prompt)
netstat -ano | findstr :5070
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5070 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5070
From Windows
Test-NetConnection HOST -Port 5070
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5070

Block port 5070 in the firewall

ufw
sudo ufw deny 5070/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5070 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5070 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5070' -Direction Inbound -Protocol TCP -LocalPort 5070 -Action Block
ufw
sudo ufw deny 5070/udp
iptables
sudo iptables -A INPUT -p udp --dport 5070 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5070 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5070' -Direction Inbound -Protocol UDP -LocalPort 5070 -Action Block

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