[protobuf] Re: Issue 669 in protobuf: Disabling backward compatibility for some messages only

2014-09-07 Thread protobuf
Comment #4 on issue 669 by oliver.j...@gmail.com: Disabling backward compatibility for some messages only https://code.google.com/p/protobuf/issues/detail?id=669 Can you explain how the DoS attack would work with a message limit of, say, 4kB? -- You received this message because this

[protobuf] Re: Issue 669 in protobuf: Disabling backward compatibility for some messages only

2014-09-07 Thread protobuf
Comment #5 on issue 669 by d.vas...@gmail.com: Disabling backward compatibility for some messages only https://code.google.com/p/protobuf/issues/detail?id=669 Setting a message limit actually reduces these attacks. 4KB is too little, it will break forward compatibility in most cases.

[protobuf] Re: Issue 669 in protobuf: Disabling backward compatibility for some messages only

2014-09-07 Thread protobuf
Comment #6 on issue 669 by d.vas...@gmail.com: Disabling backward compatibility for some messages only https://code.google.com/p/protobuf/issues/detail?id=669 4KB is too little, it will break forward compatibility in most cases. People prefer binary encoding like google protocol buffer as

[protobuf] Re: Issue 669 in protobuf: Disabling backward compatibility for some messages only

2014-09-07 Thread protobuf
Comment #7 on issue 669 by oliver.j...@gmail.com: Disabling backward compatibility for some messages only https://code.google.com/p/protobuf/issues/detail?id=669 If you require a 30MB limit for correct operation, with no optional fields, and you retain this data, why can't an attacker send

[protobuf] Re: Issue 669 in protobuf: Disabling backward compatibility for some messages only

2014-09-06 Thread protobuf
Comment #1 on issue 669 by oliver.j...@gmail.com: Disabling backward compatibility for some messages only https://code.google.com/p/protobuf/issues/detail?id=669 Why are you accepting gigabytes of data from an unauthenticated user in the first place? If you are allowing that, there are

[protobuf] Re: Issue 669 in protobuf: Disabling backward compatibility for some messages only

2014-09-06 Thread protobuf
Comment #2 on issue 669 by d.vas...@gmail.com: Disabling backward compatibility for some messages only https://code.google.com/p/protobuf/issues/detail?id=669 We can always use message limits to drop messages which are larger in size. Its better we have a explicit way to disable optional

[protobuf] Re: Issue 669 in protobuf: Disabling backward compatibility for some messages only

2014-09-06 Thread protobuf
Comment #3 on issue 669 by d.vas...@gmail.com: Disabling backward compatibility for some messages only https://code.google.com/p/protobuf/issues/detail?id=669 We can always use message limits to drop messages which are larger in size. Its better we have a explicit way to disable optional