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Port 9205 (wap-vcal)

IANA assigns port 9205 to wap-vcal: WAP vCal.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
wap-vcal TCP WAP vCal WAP Forum -
wap-vcal UDP WAP vCal WAP Forum -

Check what is listening on port 9205

Linux: is anything listening on TCP 9205?
sudo ss -tlnp 'sport = :9205'
Linux: UDP 9205
sudo ss -ulnp 'sport = :9205'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9205
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9205 '
Windows (Command Prompt)
netstat -ano | findstr :9205
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9205 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9205
From Windows
Test-NetConnection HOST -Port 9205
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9205

Block port 9205 in the firewall

ufw
sudo ufw deny 9205/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9205 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9205 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9205' -Direction Inbound -Protocol TCP -LocalPort 9205 -Action Block
ufw
sudo ufw deny 9205/udp
iptables
sudo iptables -A INPUT -p udp --dport 9205 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9205 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9205' -Direction Inbound -Protocol UDP -LocalPort 9205 -Action Block

Related ports

9203wap-wsp-wtp-s9204wap-vcard9206wap-vcard-s9207wap-vcal-s

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