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Port 3705 (adobeserver-5)

IANA assigns port 3705 to adobeserver-5: Adobe Server 5.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
adobeserver-5 TCP Adobe Server 5 Bernd Paradies -
adobeserver-5 UDP Adobe Server 5 Bernd Paradies -

Registry dates for this port: registered 2008-01-14.

Check what is listening on port 3705

Linux: is anything listening on TCP 3705?
sudo ss -tlnp 'sport = :3705'
Linux: UDP 3705
sudo ss -ulnp 'sport = :3705'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3705
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3705 '
Windows (Command Prompt)
netstat -ano | findstr :3705
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3705 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3705
From Windows
Test-NetConnection HOST -Port 3705
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3705

Block port 3705 in the firewall

ufw
sudo ufw deny 3705/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3705 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3705 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3705' -Direction Inbound -Protocol TCP -LocalPort 3705 -Action Block
ufw
sudo ufw deny 3705/udp
iptables
sudo iptables -A INPUT -p udp --dport 3705 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3705 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3705' -Direction Inbound -Protocol UDP -LocalPort 3705 -Action Block

Related ports

3703adobeserver-33704adobeserver-43706rt-event3707rt-event-s

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