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Port 2834 (evtp)

IANA assigns port 2834 to evtp: EVTP.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
evtp TCP EVTP - -
evtp UDP EVTP - -

Check what is listening on port 2834

Linux: is anything listening on TCP 2834?
sudo ss -tlnp 'sport = :2834'
Linux: UDP 2834
sudo ss -ulnp 'sport = :2834'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2834
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2834 '
Windows (Command Prompt)
netstat -ano | findstr :2834
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2834 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2834
From Windows
Test-NetConnection HOST -Port 2834
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2834

Block port 2834 in the firewall

ufw
sudo ufw deny 2834/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2834 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2834 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2834' -Direction Inbound -Protocol TCP -LocalPort 2834 -Action Block
ufw
sudo ufw deny 2834/udp
iptables
sudo iptables -A INPUT -p udp --dport 2834 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2834 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2834' -Direction Inbound -Protocol UDP -LocalPort 2834 -Action Block

Related ports

2832silkp42833glishd2835evtp-data2836catalyst

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