HTTPfy

Port 2935 (qtp)

IANA assigns port 2935 to qtp: QTP.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
qtp TCP QTP Cameron Young -
qtp UDP QTP Cameron Young -

Check what is listening on port 2935

Linux: is anything listening on TCP 2935?
sudo ss -tlnp 'sport = :2935'
Linux: UDP 2935
sudo ss -ulnp 'sport = :2935'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2935
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2935 '
Windows (Command Prompt)
netstat -ano | findstr :2935
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2935 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2935
From Windows
Test-NetConnection HOST -Port 2935
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2935

Block port 2935 in the firewall

ufw
sudo ufw deny 2935/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2935 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2935 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2935' -Direction Inbound -Protocol TCP -LocalPort 2935 -Action Block
ufw
sudo ufw deny 2935/udp
iptables
sudo iptables -A INPUT -p udp --dport 2935 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2935 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2935' -Direction Inbound -Protocol UDP -LocalPort 2935 -Action Block

Related ports

29334-tieropmgw29344-tieropmcli2936otpatch2937pnaconsult-lm

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