Ports Guide

To understand how the components of StrongDM work together, first look at the How StrongDM Works pages. This page details the network ports that need to be opened in order for the various components to successfully communicate.

All ports listed are TCP unless otherwise noted.

Client

Follow instructions in the tab for your organization's StrongDM region, not your location.

Destination
Port
Type
Requirement
Description

app.strongdm.com

443

Egress

Required

Allows communication with StrongDM to authenticate users and obtain information such as available resources and routing information

login.strongdm.com

443

Egress

Required

Allows the client to determine which control plane to connect to during login

downloads.strongdm.com

443

Egress

Required

Allows updates to the software to be downloaded

checkip.amazonaws.com

443

Egress

Optional

Allows information to be derived from public IP, such as for connection troubleshooting

1.1.1.1

53 (UDP)

Egress

Optional

Cloudflare fallback for DNS resolution of StrongDM endpoints if default DNS fails

Gateway

Custom

Egress

Required

Clients egress to gateways (default 5000)

Client (loopback)

65220

Ingress

Required

Required for the CLI to be able to report on state/status

Client (loopback)

65230

Ingress

Required

Required to allow proxy traffic for web resources

Client (loopback)

Custom

Ingress

Required

Configured inbound port override for each resource to which the client has access

Relays and Workers

Relays and proxy workers in a bridged proxy cluster only need to have egress traffic.

Follow instructions in the tab for your organization's StrongDM region, not your location.

Destination
Port
Type
Requirement
Description

app.strongdm.com

443

Egress

Required

Allows communication with StrongDM to authenticate and obtain information such as routing information and credential information for resources

downloads.strongdm.com

443

Egress

Required

Allows updates to the software to be downloaded

checkip.amazonaws.com

443

Egress

Optional

Allows information to be derived from public IP, such as the Admin UI "Location" field for gateways/relays

1.1.1.1

53 (UDP)

Egress

Optional

Cloudflare fallback for DNS resolution of StrongDM endpoints if default DNS fails

Gateway

Custom

Egress

Required

Egress to gateways in order to securely establish connections through which to allow traffic (default 5000)

Resource

Custom

Egress

Required

Egress to resources

Secret Stores

Custom

Egress

Required

May reach out to the configured secret store (if any) and acquire credentials to connect to the target resource

Gateways and Workers

Gateways, bridge workers in a bridged proxy cluster, or proxy clusters in a single-worker cluster (no bridge or load balancer) have a small amount of ingress required.

Follow instructions in the tab for your organization's StrongDM region, not your location.

Destination
Port
Type
Requirement
Description

app.strongdm.com

443

Egress

Required

Allows communication with StrongDM to authenticate and obtain information such as routing information and credential information for resources

downloads.strongdm.com

443

Egress

Required

Allows updates to the software to be downloaded

checkip.amazonaws.com

443

Egress

Optional

Allows information to be derived from public IP, such as the Admin UI "Location" field for gateways/relays

1.1.1.1

53 (UDP)

Egress

Optional

Cloudflare fallback for DNS resolution of StrongDM endpoints if default DNS fails

Gateway

Custom

Egress

Required

Egress to other gateways dependent upon your network topology (default 5000)

Resource

Custom

Egress

Required

Egress to resources

Secret Stores

Custom

Egress

Required

May reach out to the appropriate secret store (if any) and acquire credentials to connect to the target resource

Advertised Port

Custom

Ingress

Required

Ingress allowed from clients, gateways, and relays (default 5000)

Scripts That Use the API

Follow instructions in the tab for your organization's StrongDM region, not your location.

Destination
Port
Type
Requirement
Description

app.strongdm.com

443

Egress

Required

Required for calling API endpoints

Active Directory Domain Controllers for RDP Certificate Auth

Follow instructions in the tab for your organization's StrongDM region, not your location.

Destination
Port
Type
Requirement
Description

app.strongdm.com

443

Egress

Required

Allows communication with StrongDM to obtain information such as the Certificate Revocation List

Last updated

Was this helpful?