- Patch VPN gateways quickly: they are a top initial access target.
- Use certificates or MFA rather than shared secrets.
- Investigate unexpected tunnels and proxies: they are also attacker tools.
Port 2644: Travsoft IPX Tunnel
Port 2644 is assigned by IANA to travsoft-ipx-t (Travsoft IPX Tunnel).
2644
How travsoft-ipx-t works
VPN, tunnels & proxiesTraffic is wrapped in a tunnel between the two ends, so the network in between only sees the tunnel.
- Transport
- TCP · UDP
- 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
- VPN, tunnels & proxies
Is port 2644 dangerous?
We have no specific security note for port 2644. Its risk depends on the program actually listening on it. General advice for vpn, tunnels & proxies services:
IANA registry entries for port 2644
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| travsoft-ipx-t | 2644 | TCP, UDP | Travsoft IPX Tunnel | - | - |
// source: IANA service name and port number registry
Which program uses port 2644, and is it reachable?
Linux
sudo ss -ltnup 'sport = :2644' # process listening on 2644
sudo lsof -nP -i :2644macOS
sudo lsof -nP -i :2644
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2644 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 2644 netstat -ano | findstr :2644
From another machine
nmap -p 2644 -sV <host> sudo nmap -sU -p 2644 <host> nc -zv <host> 2644
Block it in the firewall
sudo ufw deny 2644/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 2644" -Direction Inbound -LocalPort 2644 -Protocol TCP -Action Block # Windows
What is port 2644 used for?
Port 2644 is assigned by IANA to travsoft-ipx-t (Travsoft IPX Tunnel).
Is port 2644 TCP or UDP?
Port 2644 is registered for TCP and UDP.
Is it safe to open port 2644?
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. Patch VPN gateways quickly: they are a top initial access target.
How do I check if port 2644 is open?
On Linux run "ss -ltnup 'sport = :2644'", on macOS "lsof -nP -i :2644", and on Windows "netstat -ano | findstr :2644" to see the local process. From another machine, "nmap -p 2644 <host>" shows whether it is reachable.