HTTPfy

Port 2993 (veritas-vis1)

IANA assigns port 2993 to veritas-vis1: VERITAS VIS1.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
veritas-vis1 TCP VERITAS VIS1 - -
veritas-vis1 UDP VERITAS VIS1 - -

Check what is listening on port 2993

Linux: is anything listening on TCP 2993?
sudo ss -tlnp 'sport = :2993'
Linux: UDP 2993
sudo ss -ulnp 'sport = :2993'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2993
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2993 '
Windows (Command Prompt)
netstat -ano | findstr :2993
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2993 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2993
From Windows
Test-NetConnection HOST -Port 2993
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2993

Block port 2993 in the firewall

ufw
sudo ufw deny 2993/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2993 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2993 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2993' -Direction Inbound -Protocol TCP -LocalPort 2993 -Action Block
ufw
sudo ufw deny 2993/udp
iptables
sudo iptables -A INPUT -p udp --dport 2993 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2993 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2993' -Direction Inbound -Protocol UDP -LocalPort 2993 -Action Block

Related ports

2991wkstn-mon2992avenyo2994veritas-vis22995idrs

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