UPS Worldship will notify that it's not able to reach the UPS datacenter.
ProxySG or ProxyASG products
As mentioned in article 171275 for the WSS product:
UPS WorldShip establishes an SSL connection to its server but it does not use the standard Windows certificate store, therefore it does not recognize the certificate used for SSL interception.
Apply the following CPL on your Proxy, it is advised to create a new CPL Layer on your VPM to quickly identify where the fix is when needed:
;::::::::::::::::::: BEGIN Bypass UPS Worlship Based on URL :::::::::::::::::::
<proxy>
condition=ByPassUPSByURL http.client.persistence(no) http.server.persistence(no) bypass_cache(yes) authenticate(no) detect_protocol(none) http.request.version(1.0) http.response.version(1.0) server_url.dns_lookup(ipv4-only)
<cache>
condition=ByPassUPSByURL pipeline(no) cache(no) request.icap_service(no) response.icap_service(no)
<ssl-intercept>
condition=ByPassUPSByURL ssl.forward_proxy(no)
define condition ByPassUPSByURL
url.domain="www.wstd.ups.com"
url.domain="wstd.ups.com"
url.domain="ups.com"
end condition ByPassUPSByURL
;::::::::::::::::::: END Bypass UPS Worlship Based on URL :::::::::::::::::::