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Port 35354 (kitim)

IANA assigns port 35354 to kitim: KIT Messenger.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
kitim TCP KIT Messenger Rudi Visser -

Registry dates for this port: registered 2011-07-07.

Check what is listening on port 35354

Linux: is anything listening on TCP 35354?
sudo ss -tlnp 'sport = :35354'
Linux / macOS: which process owns the port
sudo lsof -nP -i :35354
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':35354 '
Windows (Command Prompt)
netstat -ano | findstr :35354
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 35354 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 35354
From Windows
Test-NetConnection HOST -Port 35354

Block port 35354 in the firewall

ufw
sudo ufw deny 35354/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 35354 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 35354 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 35354' -Direction Inbound -Protocol TCP -LocalPort 35354 -Action Block

Related ports

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