When your Linux server gets bombarded with malicious requests the quickest and easiest thing is to block the offending IP address (or the entire range) using iptables: To block just one IP address: $ sudo iptables -A INPUT -s 103.10.86.53
In-app Billing API v3 throws IllegalStateException
If you have followed Google’s instructions when implementing version 3 of the Android’s in-app billing API by exploring their TrivialDrive sample app, you probably have come upon some numerous IllegalStateExceptions, like these: java.lang.IllegalStateException: Can’t start async operation (consume) because another