Port 700

epp · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Serviceepp
ReferenceRFC 5734, RFC 5734, RFC-ietf-regext-epp-quic-12
Modified2026-07-23

Frequently asked questions

What is port 700 used for?

Port 700 is registered with the IANA for epp (TCP/UDP). Description: Extensible Provisioning Protocol; EPP running over QUIC.

Is port 700 a well-known port?

Yes. Port 700 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.

How do I check whether port 700 is open?

Locally on Linux with ss -tulpn | grep ':700\b', on Windows with netstat -ano | findstr :700. To test a remote host use Test-NetConnection <host> -Port 700 in PowerShell or nc -zv <host> 700 on Linux/macOS.

How do I open port 700 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 700/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=700/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 700" -Direction Inbound -Protocol TCP -LocalPort 700 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPeppExtensible Provisioning Protocol
UDPeppEPP running over QUIC

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