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Port 9802 (davsrcs)

IANA assigns port 9802 to davsrcs: WebDAV Source TLS/SSL.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
davsrcs TCP WebDAV Source TLS/SSL Rob Isaac -
davsrcs UDP WebDAV Source TLS/SSL Rob Isaac -

Registry dates for this port: registered 2003-07.

Check what is listening on port 9802

Linux: is anything listening on TCP 9802?
sudo ss -tlnp 'sport = :9802'
Linux: UDP 9802
sudo ss -ulnp 'sport = :9802'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9802
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9802 '
Windows (Command Prompt)
netstat -ano | findstr :9802
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9802 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9802
From Windows
Test-NetConnection HOST -Port 9802
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9802

Block port 9802 in the firewall

ufw
sudo ufw deny 9802/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9802 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9802 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9802' -Direction Inbound -Protocol TCP -LocalPort 9802 -Action Block
ufw
sudo ufw deny 9802/udp
iptables
sudo iptables -A INPUT -p udp --dport 9802 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9802 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9802' -Direction Inbound -Protocol UDP -LocalPort 9802 -Action Block

Related ports

9800davsrc9801sstp-29875sapv19876sd

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