My company hosts our own website (let's call it abcd.com). Our internal and external apps all make calls to www.abcd.com.
Recently, the decision was made to move our main site, www.abcd.com, to a 3rd party web hosting company. The immediate problem is - instead of rewriting all of our apps to look elsewhere, we are asking our hosting provider to setup URL redirects to point back to us so our apps will continue to function.
Our clients's firewalls.. Will they block either of these scenarios?
Scenario 1: Client-A is whitelisting *.abcd.com. Will the firewall suddenly care that traffic first gets resolved to 3rd party hosting company's ip 1.2.3.4 then gets redirected to our ip at 5.6.7.8?
Scenario 2: Client-B is whitelisting 5.6.7.8 (our IP), will the firewall deny because the traffic first resolves www.abcd.com to 1.2.3.4 and that isn't whitelisted? Or is there some magical exception since the traffic would be redirected to 5.6.7.8? (Which is whitelisted)
Just when I think I know the more obvious stuff.. stuff like this humbles me :)
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