- Use strong credentials and TLS for signalling.
- Rate-limit registrations to stop extension scanning and toll fraud.
- Alert on unexpected chat protocols leaving servers (possible command and control).
Port 5005: RTP control protocol
Port 5005 is assigned by IANA to avt-profile-2 (RTP control protocol).
5005
How avt-profile-2 works
Voice & chatPort 5005 sets up the call (who calls whom), then the voice travels as a stream of audio packets.
- Transport
- TCP · UDP · DCCP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Voice & chat
Is port 5005 dangerous?
We have no specific security note for port 5005. Its risk depends on the program actually listening on it. General advice for voice & chat services:
IANA registry entries for port 5005
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| avt-profile-2 | 5005 | TCP, UDP, DCCP | RTP control protocol | RFC 3551, RFC 4571 | - |
// source: IANA service name and port number registry
Which program uses port 5005, and is it reachable?
Linux
sudo ss -ltnup 'sport = :5005' # process listening on 5005
sudo lsof -nP -i :5005macOS
sudo lsof -nP -i :5005
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5005 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 5005 netstat -ano | findstr :5005
From another machine
nmap -p 5005 -sV <host> sudo nmap -sU -p 5005 <host> nc -zv <host> 5005
Block it in the firewall
sudo ufw deny 5005/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 5005" -Direction Inbound -LocalPort 5005 -Protocol TCP -Action Block # Windows
What is port 5005 used for?
Port 5005 is assigned by IANA to avt-profile-2 (RTP control protocol).
Is port 5005 TCP or UDP?
Port 5005 is registered for TCP and UDP and DCCP.
Is it safe to open port 5005?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Use strong credentials and TLS for signalling.
How do I check if port 5005 is open?
On Linux run "ss -ltnup 'sport = :5005'", on macOS "lsof -nP -i :5005", and on Windows "netstat -ano | findstr :5005" to see the local process. From another machine, "nmap -p 5005 <host>" shows whether it is reachable.