HTTPfy

Port 1064 (jstel)

IANA assigns port 1064 to jstel: JSTEL.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
jstel TCP JSTEL Duane Kiser -
jstel UDP JSTEL Duane Kiser -

Check what is listening on port 1064

Linux: is anything listening on TCP 1064?
sudo ss -tlnp 'sport = :1064'
Linux: UDP 1064
sudo ss -ulnp 'sport = :1064'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1064
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1064 '
Windows (Command Prompt)
netstat -ano | findstr :1064
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1064 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1064
From Windows
Test-NetConnection HOST -Port 1064
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1064

Block port 1064 in the firewall

ufw
sudo ufw deny 1064/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1064 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1064 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1064' -Direction Inbound -Protocol TCP -LocalPort 1064 -Action Block
ufw
sudo ufw deny 1064/udp
iptables
sudo iptables -A INPUT -p udp --dport 1064 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1064 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1064' -Direction Inbound -Protocol UDP -LocalPort 1064 -Action Block

Related ports

1062veracity1063kyoceranetdev1065syscomlan1066fpo-fns

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