- 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 1180: Millicent Client Proxy
Port 1180 is assigned by IANA to mc-client (Millicent Client Proxy).
1180
How mc-client 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 1180 dangerous?
We have no specific security note for port 1180. Its risk depends on the program actually listening on it. General advice for vpn, tunnels & proxies services:
IANA registry entries for port 1180
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| mc-client | 1180 | TCP, UDP | Millicent Client Proxy | - | - |
// source: IANA service name and port number registry
Which program uses port 1180, and is it reachable?
Linux
sudo ss -ltnup 'sport = :1180' # process listening on 1180
sudo lsof -nP -i :1180macOS
sudo lsof -nP -i :1180
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1180 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 1180 netstat -ano | findstr :1180
From another machine
nmap -p 1180 -sV <host> sudo nmap -sU -p 1180 <host> nc -zv <host> 1180
Block it in the firewall
sudo ufw deny 1180/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 1180" -Direction Inbound -LocalPort 1180 -Protocol TCP -Action Block # Windows
What is port 1180 used for?
Port 1180 is assigned by IANA to mc-client (Millicent Client Proxy).
Is port 1180 TCP or UDP?
Port 1180 is registered for TCP and UDP.
Is it safe to open port 1180?
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 1180 is open?
On Linux run "ss -ltnup 'sport = :1180'", on macOS "lsof -nP -i :1180", and on Windows "netstat -ano | findstr :1180" to see the local process. From another machine, "nmap -p 1180 <host>" shows whether it is reachable.