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I am see WhatsApp issues as well. Can not download media.

http://risky.biz/ is a great security podcast.

For me the earlier stuff from SN was far better, but now it is mainly adverts and talk about non security stuff.

http://imgur.com/RTbw7co

http://imgur.com/RTbw7co confirmed for default IIS without any rules set, completely default values.

I can confirm what Khao is saying from my own testing.

Bitstamp has a new websocket channel https://www.bitstamp.net/websocket/ where you can get full order book updates.

I've just started to work with the Kraken API it is good. Their key signing/hashing auth is a little weird but the example clients are very useful.

Is there a way to get real time order book updates from the Kraken?

Another good API is Paymium's https://github.com/Paymium/api-documentation the most frustrating thing I find about exchanges API are race conditions when doing HFT, like submitting an order getting an ID, then asking about the ID to find it doesn't exist yet as the update hasn't be prorated yet.