HTTPfy

Port 3605 (comcam-io)

IANA assigns port 3605 to comcam-io: ComCam IO Port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
comcam-io TCP ComCam IO Port Don Gilbreath -
comcam-io UDP ComCam IO Port Don Gilbreath -

Registry dates for this port: registered 2002-09.

Check what is listening on port 3605

Linux: is anything listening on TCP 3605?
sudo ss -tlnp 'sport = :3605'
Linux: UDP 3605
sudo ss -ulnp 'sport = :3605'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3605
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3605 '
Windows (Command Prompt)
netstat -ano | findstr :3605
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3605 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3605
From Windows
Test-NetConnection HOST -Port 3605
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3605

Block port 3605 in the firewall

ufw
sudo ufw deny 3605/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3605 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3605 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3605' -Direction Inbound -Protocol TCP -LocalPort 3605 -Action Block
ufw
sudo ufw deny 3605/udp
iptables
sudo iptables -A INPUT -p udp --dport 3605 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3605 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3605' -Direction Inbound -Protocol UDP -LocalPort 3605 -Action Block

Related ports

3603int-rcv-cntrl3604bmc-jmx-port3606splitlock3607precise-i3

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