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Port 1129 (saphostctrls)

IANA assigns port 1129 to saphostctrls: SAPHostControl over SOAP/HTTPS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
saphostctrls TCP SAPHostControl over SOAP/HTTPS Muscarella Fabrizio -
saphostctrls UDP SAPHostControl over SOAP/HTTPS Muscarella Fabrizio -

Registry dates for this port: registered 2006-04.

Check what is listening on port 1129

Linux: is anything listening on TCP 1129?
sudo ss -tlnp 'sport = :1129'
Linux: UDP 1129
sudo ss -ulnp 'sport = :1129'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1129
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1129 '
Windows (Command Prompt)
netstat -ano | findstr :1129
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1129 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1129
From Windows
Test-NetConnection HOST -Port 1129
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1129

Block port 1129 in the firewall

ufw
sudo ufw deny 1129/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1129 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1129 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1129' -Direction Inbound -Protocol TCP -LocalPort 1129 -Action Block
ufw
sudo ufw deny 1129/udp
iptables
sudo iptables -A INPUT -p udp --dport 1129 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1129 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1129' -Direction Inbound -Protocol UDP -LocalPort 1129 -Action Block

Related ports

1127kwdb-commn1128saphostctrl1130casp1131caspssl

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