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Port 2835 (evtp-data)

IANA assigns port 2835 to evtp-data: EVTP-DATA.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
evtp-data TCP EVTP-DATA Eric Bruno -
evtp-data UDP EVTP-DATA Eric Bruno -

Check what is listening on port 2835

Linux: is anything listening on TCP 2835?
sudo ss -tlnp 'sport = :2835'
Linux: UDP 2835
sudo ss -ulnp 'sport = :2835'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2835
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2835 '
Windows (Command Prompt)
netstat -ano | findstr :2835
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2835 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2835
From Windows
Test-NetConnection HOST -Port 2835
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2835

Block port 2835 in the firewall

ufw
sudo ufw deny 2835/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2835 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2835 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2835' -Direction Inbound -Protocol TCP -LocalPort 2835 -Action Block
ufw
sudo ufw deny 2835/udp
iptables
sudo iptables -A INPUT -p udp --dport 2835 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2835 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2835' -Direction Inbound -Protocol UDP -LocalPort 2835 -Action Block

Related ports

2833glishd2834evtp2836catalyst2837repliweb

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