- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 5135: ERP-Scale
Port 5135 is assigned by IANA to erp-scale (ERP-Scale).
How erp-scale works
Other servicesThe client sends a request to port 5135 and the erp-scale service answers.
- Transport
- TCP
- 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
- Other services
Is port 5135 dangerous?
We have no specific security note for port 5135. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 5135
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| erp-scale | 5135 | TCP | ERP-Scale | - | 2009-10-14 |
| - | 5135 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 5135, and is it reachable?
Linux
sudo ss -ltnup 'sport = :5135' # process listening on 5135
sudo lsof -nP -i :5135macOS
sudo lsof -nP -i :5135
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5135 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 5135 netstat -ano | findstr :5135
From another machine
nmap -p 5135 -sV <host> nc -zv <host> 5135
Block it in the firewall
sudo ufw deny 5135/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 5135" -Direction Inbound -LocalPort 5135 -Protocol TCP -Action Block # Windows
What is port 5135 used for?
Port 5135 is assigned by IANA to erp-scale (ERP-Scale).
Is port 5135 TCP or UDP?
Port 5135 is registered for TCP.
Is it safe to open port 5135?
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. Close the port if nothing on the host needs it.
How do I check if port 5135 is open?
On Linux run "ss -ltnup 'sport = :5135'", on macOS "lsof -nP -i :5135", and on Windows "netstat -ano | findstr :5135" to see the local process. From another machine, "nmap -p 5135 <host>" shows whether it is reachable.