HTTPfy

Port 1036 (nsstp)

IANA assigns port 1036 to nsstp: Nebula Secure Segment Transfer Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
nsstp TCP Nebula Secure Segment Transfer Protocol Steve Ravida -
nsstp UDP Nebula Secure Segment Transfer Protocol Steve Ravida -

Check what is listening on port 1036

Linux: is anything listening on TCP 1036?
sudo ss -tlnp 'sport = :1036'
Linux: UDP 1036
sudo ss -ulnp 'sport = :1036'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1036
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1036 '
Windows (Command Prompt)
netstat -ano | findstr :1036
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1036 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1036
From Windows
Test-NetConnection HOST -Port 1036
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1036

Block port 1036 in the firewall

ufw
sudo ufw deny 1036/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1036 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1036 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1036' -Direction Inbound -Protocol TCP -LocalPort 1036 -Action Block
ufw
sudo ufw deny 1036/udp
iptables
sudo iptables -A INPUT -p udp --dport 1036 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1036 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1036' -Direction Inbound -Protocol UDP -LocalPort 1036 -Action Block

Related ports

1034activesync1035mxxrlogin1037ams1038mtqp

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