This document provides the required information needed for the communication with the HIAB and OUTSCAN through a firewall.
The HIAB requires several firewall rules to allow for a smooth functionality in regard to updates and enrollments. Below is a list of rules that are used, however the Enrollment and Update rules are required and necessary. DNS host names are used for services where changes may occur without prior notification.
HIAB External/ OUTSCAN Internal
External Scanning from HIAB
Scheduler to Scanner
Communication to scanner, depends on Polling enabled or not
For the HIAB to send emails
To resolve host names
To allow remote access to the console
To allow communications using a proxy server
To perform backup and imports
Outpost24 Network Scanning Range
Firewalls, IDSs and IPSs may interfere with the security scan if they have a reactive defense mechanism. In such case, we recommend to set up OUTSCAN (CIDR IP range 22.214.171.124/24, 126.96.36.199/22, IPv6 range 2001:67c:1084::/48) as a trusted range.
The scanning occurs from within the below range:
- For IPv4: 188.8.131.52 to 184.108.40.206, 220.127.116.11 to 18.104.22.168.
- For IPv6: 2001:67c:1084::0 to 2001:067c:1084:ffff:ffff:ffff:ffff:ffff.
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