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Port 1459 (proshare1)

IANA assigns port 1459 to proshare1: Proshare Notebook Application.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
proshare1 TCP Proshare Notebook Application - -
proshare1 UDP Proshare Notebook Application - -

Check what is listening on port 1459

Linux: is anything listening on TCP 1459?
sudo ss -tlnp 'sport = :1459'
Linux: UDP 1459
sudo ss -ulnp 'sport = :1459'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1459
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1459 '
Windows (Command Prompt)
netstat -ano | findstr :1459
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1459 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1459
From Windows
Test-NetConnection HOST -Port 1459
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1459

Block port 1459 in the firewall

ufw
sudo ufw deny 1459/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1459 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1459 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1459' -Direction Inbound -Protocol TCP -LocalPort 1459 -Action Block
ufw
sudo ufw deny 1459/udp
iptables
sudo iptables -A INPUT -p udp --dport 1459 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1459 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1459' -Direction Inbound -Protocol UDP -LocalPort 1459 -Action Block

Related ports

1457valisys-lm1458nrcabq-lm1460proshare21461ibm-wrless-lan, ibm_wrless_lan

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