Port 8770 (dpap)

IANA assigns port 8770 to dpap: Digital Photo Access Protocol (iPhoto).

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

dpap TCP Digital Photo Access Protocol (iPhoto)
Defined TXT keys: txtvers, Version, iPSh Version, Machine ID, Machine Name, Password Amandeep Jawa 2 -

dpap UDP Digital Photo Access Protocol (iPhoto)
Defined TXT keys: txtvers, Version, iPSh Version, Machine ID, Machine Name, Password Amandeep Jawa 2 -

Registry dates for this port: registered 2004-11.

Check what is listening on port 8770

Linux: is anything listening on TCP 8770?

sudo ss -tlnp 'sport = :8770'

Linux: UDP 8770

sudo ss -ulnp 'sport = :8770'

Linux / macOS: which process owns the port

sudo lsof -nP -i :8770

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':8770 '

Windows (Command Prompt)

netstat -ano | findstr :8770

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8770 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine

nc -vz -w 5 HOST 8770

From Windows

Test-NetConnection HOST -Port 8770

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 8770

Block port 8770 in the firewall

ufw

sudo ufw deny 8770/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 8770 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 8770 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 8770' -Direction Inbound -Protocol TCP -LocalPort 8770 -Action Block

ufw

sudo ufw deny 8770/udp