Web Filter blocking Amazon

Yesterday my web filter started blocking Amazon. The only way I can seem to fix it is turning off the web filter. I tried creating an exception, but it still wont work. This behaves the same on PC and Mac, but it loads fine on my mobile devices. Any ideas?

2015:03:02-23:47:00 utm httpproxy[6049]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.10" dstip="205.251.242.103" user="" ad_domain="" statuscode="502" cached="0" profile="REF_HttProGuestNetwo (Private)" filteraction="REF_HttCffPrivate (Private)" size="0" request="0xe39af000" url="www.amazon.com/.../html"

2015:03:02-23:47:05 utm httpproxy[6049]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.10" dstip="176.32.98.166" user="" ad_domain="" statuscode="500" cached="0" profile="REF_HttProGuestNetwo (Private)" filteraction="REF_HttCffPrivate (Private)" size="0" request="0xe38f5800" url="www.amazon.com/.../html"

2015:03:02-23:48:01 utm httpproxy[6049]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.10" dstip="176.32.98.166" user="" ad_domain="" statuscode="504" cached="0" profile="REF_HttProGuestNetwo (Private)" filteraction="REF_HttCffPrivate (Private)" size="2636" request="0xe3a2b000" url="www.amazon.com/.../html"

2015:03:02-23:51:41 utm httpproxy[6049]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.10" dstip="176.32.98.166" user="" ad_domain="" statuscode="504" cached="0" profile="REF_HttProGuestNetwo (Private)" filteraction="REF_HttCffPrivate (Private)" size="0" request="0xe3984000" url="www.amazon.com/.../html"

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