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The following table explains the four types of proxy servers that TMWS provides.

Proxy Server Type

Proxy Address (FQDN)

Description

Global

proxy.iws-hybrid.trendmicro.com

Default proxy server

When configured, the system will automatically forward user requests to a lowest-latency regional proxy server.

Global (only for uniquely assigned port)

proxy-md.iws-hybrid.trendmicro.com

Default proxy server for the dedicated port assigned by TMWS in the case that you add a domain name under Directroy Services but it is already in use by another organization

When configured, the system will automatically forward user requests to a lowest-latency regional proxy server.

Regional

proxyst-<region>.iws-hybrid.trendmicro.com

<region> is a variable for regions, which includes:

  • uw2 for US West (Oregon)

  • ue for US East (N. Virginia)

  • se for Brazil (San Paulo)

  • ew2 for UK (London)

  • ew for Ireland (Ireland)

  • ec for Germany (Frankfurt)

  • as2 for Australia (Sydney)

  • as1 for India (Mumbai)

  • as for Singapore

  • an for Japan (Tokyo)

  • af for Africa (Cape Town)

Regional proxy server that serves a specific region only

When configured, the system will forward user requests to the specified regional proxy server.

Regional (only for uniquely assigned port)

proxyst-<region>-md.iws-hybrid.trendmicro.com

<region> is a variable for all the regions (as listed in the above row) except af.

Regional proxy server for the dedicated port assigned by TMWS in the case that you add a domain name under Directory Services but it is already in use by another organization

When configured, the system will forward user requests to the specified regional proxy server.

The following table explains the PAC servers that TMWS provides.

PAC Server Type

PAC Address (FQDN)

Description

Regional

pacst-<region>.iws-hybrid.trendmicro.com

<region> is a variable for regions, which includes:

  • uw2 for US West (Oregon)

  • as2 for Australia (Sydney)

  • ew2 for UK (London)

  • se for Brazil (San Paulo)

  • ec for Germany (Frankfurt)

  • as1 for India (Mumbai)

  • an for Japan (Tokyo)

  • as for Singapore

Note:

Only the US West, Germany, Australia, and Japan regions have real PAC servers, while the PAC address of the other regions will be routed to the US West region.

Static regional proxy server that serves a specific region only

When manually configured in the PAC file, the system will forward user requests to the specified static regional PAC server.

Note:

The address "pac-<region>.iws-hybrid.trendmicro.com" accesses dynamic IP addresses.

If you want to access static IP addresses, use the address "pacst-<region>.iws-hybrid.trendmicro.com" instead.

On the cloud, TMWS receives HTTP requests from user clients (inbound) and forwards them to the destination websites (outbound) using different IP addresses. The IP addresses for inbound transmission are static, while those for outbound transmission are dynamically allocated.

The following table explains the IP addresses that TMWS uses for proxy (inbound), for Direct Authentication, and for static PAC file servers.

Purpose

IP Addresses

Descriptions

For proxy (inbound)

52.29.191.208 - 52.29.191.223

54.171.190.128 - 54.171.190.143

52.56.127.240 - 52.56.127.247

52.35.63.176 - 52.35.63.191

52.90.127.240 - 52.90.127.255

52.68.255.224 - 52.68.255.255

52.65.255.240 - 52.65.255.255

54.233.255.240 - 54.233.255.255

13.126.23.128 - 13.126.23.135

18.141.66.240 - 18.141.66.247

13.244.176.40 - 13.244.176.47

The TMWS cloud proxy uses the IP address within these IP ranges to receive HTTP requests sent from a user's browser in your organization.

For Direct Authentication

54.93.44.160

54.93.40.172

50.112.157.207

54.201.83.195

54.76.190.176

54.72.187.231

52.56.76.254

52.56.96.164

52.4.56.161

52.0.26.116

54.199.160.153

54.250.181.139

54.252.137.220

54.79.89.127

54.232.197.232

54.207.109.120

35.154.252.243

35.154.70.163

18.136.191.209

52.220.233.54

13.244.188.220

13.244.164.245

If your organization uses the Direct authentication method, TMWS both on the cloud and on the premises uses one of these IP addresses to connect to your Active Directory servers for user authentication.

For static PAC file servers

52.29.191.208 - 52.29.191.223

54.171.190.128 - 54.171.190.143

52.56.127.240 - 52.56.127.247

52.35.63.176 - 52.35.63.191

52.90.127.240 - 52.90.127.255

52.68.255.224 - 52.68.255.255

52.65.255.240 - 52.65.255.255

54.233.255.240 - 54.233.255.255

13.126.23.128 - 13.126.23.135

18.141.66.240 - 18.141.66.247

13.244.176.40 - 13.244.176.47

The TMWS cloud proxy uses the IP addresses within these IP ranges as the IP address of the static PAC file server of the pacst-<region>.iws-hybrid.trendmicro.com type described in the table above.