Интересные наблюдения

Оказывается они используют SQUID

BrowserHeader
X-Squid-Error : ERR_CONNECT_FAIL 110
Content-Language : en
MIME-Version : 1.0
Date : Sun, 22 Mar 2015 10:29:35 GMT
Vary : Accept-Language
Content-Length : 3457
Via : 1.0 proxy-was.net.salesforce.com (squid)
Content-Type : text/html
X-Cache-Lookup : MISS from proxy-was.net.salesforce.com:8080
Connection : keep-alive
Server : squid
X-Cache : MISS from proxy-was.net.salesforce.com

wilder

[url=https://developer.salesforce.com/blogs/engineering/2014/05/put-apex-sleep-salesforce-asynchronous-callouts.html]Continuation pattern[/url]

Оказывается они используют SQUID

BrowserHeader 
X-Squid-Error : ERR_CONNECT_FAIL 110
Content-Language : en
MIME-Version : 1.0
Date : Sun, 22 Mar 2015 10:29:35 GMT
Vary : Accept-Language
Content-Length : 3457
Via : 1.0 proxy-was.net.salesforce.com (squid)
Content-Type : text/html
X-Cache-Lookup : MISS from proxy-was.net.salesforce.com:8080
Connection : keep-alive
Server : squid
X-Cache : MISS from proxy-was.net.salesforce.com