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Port 435 (mobilip-mn)

IANA assigns port 435 to mobilip-mn: MobilIP-MN.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
mobilip-mn TCP MobilIP-MN Kannan Alagappan 2 -
mobilip-mn UDP MobilIP-MN Kannan Alagappan 2 -

Check what is listening on port 435

Linux: is anything listening on TCP 435?
sudo ss -tlnp 'sport = :435'
Linux: UDP 435
sudo ss -ulnp 'sport = :435'
Linux / macOS: which process owns the port
sudo lsof -nP -i :435
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':435 '
Windows (Command Prompt)
netstat -ano | findstr :435
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 435 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 435
From Windows
Test-NetConnection HOST -Port 435
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 435

Block port 435 in the firewall

ufw
sudo ufw deny 435/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 435 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 435 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 435' -Direction Inbound -Protocol TCP -LocalPort 435 -Action Block
ufw
sudo ufw deny 435/udp
iptables
sudo iptables -A INPUT -p udp --dport 435 -j DROP
nftables
sudo nft add rule inet filter input udp dport 435 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 435' -Direction Inbound -Protocol UDP -LocalPort 435 -Action Block

Related ports

433nnsp434mobileip-agent436dna-cml437comscm

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