Apparently URLFetch will always make requests from these blocks: $ dig _netblocks.google.com TXT
I dont know how often it changes, but just monitor that TXT record. But those ranges are necessarily large, so of course will be allowing access from other Google products. On 24 June 2010 12:39, Erwin Streur <[email protected]> wrote: > We have developed a application as a Google App, which does call backs > into our corporate domain for sending updates to the backend systems > using HTTP. Of course the corporate network is firework protected and > we have set rules to allow trafic based on the IP address ranges which > were used then. > > A couple of weeks ago traffic failed, which was caused by the HTTP > requests coming from a different IP address range. The range was added > also to the firewall rules. Last week it happened again. > > So my questions are: > - What are now the IP address ranges used GAE for outgoing HTTP > transfic? > - Is there a webpage listing them and which is kept up to date? > > Regards, > > Erwin > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
