HTTPfy

Port 5769 (spramsca)

IANA assigns port 5769 to spramsca: x509solutions Internal CA.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
spramsca TCP x509solutions Internal CA Brendan Fay -
spramsca UDP x509solutions Internal CA Brendan Fay -

Registry dates for this port: registered 2006-02.

Check what is listening on port 5769

Linux: is anything listening on TCP 5769?
sudo ss -tlnp 'sport = :5769'
Linux: UDP 5769
sudo ss -ulnp 'sport = :5769'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5769
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5769 '
Windows (Command Prompt)
netstat -ano | findstr :5769
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5769 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5769
From Windows
Test-NetConnection HOST -Port 5769
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5769

Block port 5769 in the firewall

ufw
sudo ufw deny 5769/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5769 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5769 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5769' -Direction Inbound -Protocol TCP -LocalPort 5769 -Action Block
ufw
sudo ufw deny 5769/udp
iptables
sudo iptables -A INPUT -p udp --dport 5769 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5769 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5769' -Direction Inbound -Protocol UDP -LocalPort 5769 -Action Block

Related ports

5767s-openmail5768openmailpxy5770spramsd5771netagent

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