IBKR Host and Ports Documentation

Background: 

TWS connects to IBKR servers via port 4000 and 4001, if using SSL, and will not operate on any other port. If you are using a proxy server, it needs to be a transparent with both inbound and outbound ports open so that the TWS can function properly.

Below are listed all the gateways, along with the corresponding destination host that might be used by the TWS when you use our services, please allow access to those hosts.

The easiest way to test whether your connection needs any special setup or has been configured properly is to use IBKR's Dedicated Test page, which will provide a dynamic test of your network’s connection against our main trading and market data servers. If a “Success” response is returned, there is nothing more for you to do. If the response is “Failure”, we recommend adding an exception for the new hosts to your network’s configuration or review your changes.

Note: If your network uses a browser proxy, the test page can produce false positives. In this case, or if you are not sure what your network setup is, turn to your network administrators, who can perform ping and telnet tests to the hosts listed below to confirm compliance with the connectivity requirements.

Specs:

CLIENT PORTAL AND WEBSITE

REGION/PRODUCT

SERVER (HOST)

PORTS1

IBKR WEBSITE – AMERICA

www.interactivebrokers.com

443

IBKR WEBSITE – Canada

www.interactivebrokers.ca

443

IBKR WEBSITE – UK

www.interactivebrokers.co.uk

443

IBKR WEBSITE – INDIA2

www.interactivebrokers.co.in

443

IBKR WEBSITE – JAPAN2

www.interactivebrokers.co.jp

443

IBKR WEBSITE – HONG KONG2

www.interactivebrokers.com.hk 443

IBKR WEBSITE – CHINA2

www.ibkr.com.cn 443

IBKR WEBSITE - AUSTRALIA

www.interactivebrokers.com.au 443

ACCOUNT MGMT – EAST

gdcdyn.interactivebrokers.com

443

ACCOUNT MGMT – CENTRAL

cdcdyn.interactivebrokers.com

443

DISASTER RECOVERY SITE

www.ibgdr.com 80

1: Standard Communication: TCP Port 80 | SSL Communication: TCP Port 443.

2: This IB Server host does not support ping request.

Important Note: If you are accessing Client Portal from a corporate network where the Internet access is provided through a load balancing equipment, you may receive error messages about expired/invalid session and/or missing web content upon or after the login phase.  The load balancer cycles your outbound connections over two or more network interfaces to equalize the network workload. As a consequence of this mechanism, your HTTP requests reach our systems from different IP addresses, invalidating your Client Portal session.
In this scenario, as a solution, please ask your network administrator or IT group to configure your machine/device for bypassing the load balancer. This will allow your session to remain valid and alive.
 

 

DESKTOP TWS

REGION/TOOL

PRIMARY/BACKUP

SERVER (HOST)

PORTS


TWS AMERICA – EAST

PRIMARY

gdc1.ibllc.com / ndc1.ibllc.com


4000 / 4001

BACKUP

gdc1_hb1.ibllc.com / ndc1_hb1.ibllc.com


TWS AMERICA – CENTRAL

PRIMARY

cdc1.ibllc.com


4000 / 4001

BACKUP

cdc1_hb1.ibllc.com


TWS EUROPE

PRIMARY

zdc1.ibllc.com


4000 / 4001

BACKUP

zdc1_hb1.ibllc.com

TWS ASIA

PRIMARY

hdc1.ibllc.com

4000 / 4001

BACKUP

hdc1_hb1.ibllc.com

TWS ASIA - CHINA3

PRIMARY

mcgw1.ibllc.com.cn

4000 / 4001

BACKUP

mcgw1_hb1.ibllc.com.cn
TWS AUTO-UPDATE PRIMARY

download.interactivebrokers.com

443

download2.interactivebrokers.com

RISK NAVIGATOR

PRIMARY

risk.interactivebrokers.com

443

TWS CLOUD SETTINGS

PRIMARY

s3.amazonaws.com

443

IB CAM

PRIMARY

gdc1.ibllc.com

4000 / 4001

DIAGNOSTICS REPORTS

PRIMARY

https://wit1.interactivebrokers.com

443

3: Gateway dedicated to clients with accounts assigned to the Hong Kong server, but are physically connecting from Mainland China.