Ransomware attackers specifically target and attempt to destroy backup systems to increase the probability of payment. Hardening your system is critical. Please ensure you have reviewed your platform security using the Security Hardening Checklist
AI

Welcome to Cohesity Documentation.

Ask me anything — from configuration steps and architecture overviews to troubleshooting, feature details, and release notes.


AI may make mistakes. Always verify critical information.

Cohesity

COHESITY Documentation

Explore our documentation to get started, discover products & new features, access troubleshooting guides, register sources, platforms support.

Products
Data Security Alliance
Visit Cohesity.com
Demos
Support
Blogs
Developers
Partner Portals
Cohesity Community
© 2026 Cohesity, Inc. All Rights Reserved.
Terms of Use|
Privacy Policy|
Legal|
  1. Home
  2. Product Documentation
  3. Section I. Overview and planning
  4. System requirements
  5. Ports required for Replication Gateway used for recovery of physical machines

Ports required for Replication Gateway used for recovery of physical machines

To recover physical machines to an on-premises data center, following ports are required for Replication Gateways.

Table: Ports required for Replication Gateway

Ports used

Description

For communication between

Direction

Protocol

22

Used for remote access to Replication Gateway Shell Console

Replication Gateway and the hosts

In-bound

TCP

53

Used for DNS name resolution

DNS server and Replication Gateway in the data center

Out-bound

TCP, UDP

123

Used for NTP synchronization

Replication Gateway and the NTP server

Out-bound

UDP

443

Used for replication

Between the Replication Gateways

Bi-directional

HTTPS, TLS 1.2

5634

Used for communication with IMS

IMS and Replication Gateway

Bi-directional

HTTPS, TLS 1.2

8089

Used for replication

Between the Replication Gateways

Bi-directional

TCP

33056

Used for replication

Host and Replication Gateway

In-bound

TCP

Feedback

Was this page helpful?
Previous
Ports required for Replication Gateway used for recovery to cloud data center
Next
Ports required for Replication Gateway used for recovery of VMware virtual machines to on-premises data center

Feedback

Was this page helpful?