Port allocation

The components of NoSpamProxy communicate using the following ports:

Intranet Role

Inbound	Outbound
NoSpamProxy Command Center: 6060 TCP, 6061 TCP	LDAP server: 389/3268 LDAP/GC, 636/3269 LDAPS/GC Web Portal: 443 HTTPS (UDP und TCP) Gateway Role: 6060 TCP, 6061 TCP Internet: 443 HTTPS (TCP)

Gateway Role

Inbound	Outbound
Intranet Role: 6060 TCP, 6061 TCP Internal email server: 25 SMTP External email server: 25 SMTP Core Antispam Engine: 8093	DNS server: 53 DNS digiSeal server: 2001 TCP Internal email server: 25 SMTP External email server: 25 SMTP Web Portal: 443 HTTPS (UDP und TCP) POP3 retrieval (if required): 465 TCP Internet: 443 HTTPS (TCP) Internet: 80 HTTP (TCP) Core Antispam Engine: 8093

Web Portal

Inbound	Outbound
Intranet Role: 443 HTTPS (UDP und TCP)	Internet: 443 HTTPS (TCP)

NoSpamProxy Command Center

Inbound	Outbound
n/a	Intranet Role: 6060 TCP, 6061 TCP

NOTE: Port 443 via UDP is only required if QUIC is used for HTTP/3.