HTTPfy

Port 2833 (glishd)

IANA assigns port 2833 to glishd.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
glishd TCP glishd Darrell Schiebel -
glishd UDP glishd Darrell Schiebel -

Check what is listening on port 2833

Linux: is anything listening on TCP 2833?
sudo ss -tlnp 'sport = :2833'
Linux: UDP 2833
sudo ss -ulnp 'sport = :2833'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2833
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2833 '
Windows (Command Prompt)
netstat -ano | findstr :2833
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2833 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2833
From Windows
Test-NetConnection HOST -Port 2833
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2833

Block port 2833 in the firewall

ufw
sudo ufw deny 2833/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2833 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2833 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2833' -Direction Inbound -Protocol TCP -LocalPort 2833 -Action Block
ufw
sudo ufw deny 2833/udp
iptables
sudo iptables -A INPUT -p udp --dport 2833 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2833 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2833' -Direction Inbound -Protocol UDP -LocalPort 2833 -Action Block

Related ports

2831silkp32832silkp42834evtp2835evtp-data

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