Which blocks are ghast proof?

Which blocks are ghast proof? Q. What blocks are ghast proof? Ghasts cannot destroy any blocks with a blast resistance of 26 or higher (eg iron bars, Nether Brick Blocks, or cobblestone).

Q. What blocks are ghast proof? Ghasts cannot destroy any blocks with a blast resistance of 26 or higher (eg iron bars, Nether Brick Blocks, or cobblestone).