ConnectionProtocolServiceFunctionPort
Outbound from Appliance to LANUDPDNSDNS queries53
Inbound from LAN to applianceTCPHTTPadministrative web interface80
Inbound/outbound between
appliance and AD server
TCP/UDPKERBEROSKerberos authentication88
Inbound/outbound between
appliance and AD server
TCP/UDPNETBIOS-SSNMS NetBIOS session139
Inbound/outbound between
appliance and AD server
TCP/UDPLDAPDirectory services synchronization389
Inbound from LAN to applianceTCPHTTPSadministrative web interface443
Inbound/outbound between
appliance and AD server
TCP/UDPSMBMS server message block445
Inbound/outbound between
appliance and eDirectory server
TCPLDAPSLDAP synchronization636
Inbound/outbound between
appliance and AD server
TCP/UDPMSGCMS AD Global Catalog
synchronization
3268
Inbound/outbound between LAN and
appliance
TCPHTTP/HTTPSProxy (end user web browsing)8080
Sophos Web Appliance | Configuring Ports | 197