{ "rule": { "family" : "ip", "table" : "filter", "chain"  : "input", "handle" : 20,"flags" : 0, "expr" : [ { "type" : "bitwise", "sreg" : 1, "dreg" : 1, "len" : 4, "mask" : {"data_reg": { "type" : "value", "len" : 4, "data0" : "0x0000000a"}}, "xor" : {"data_reg": { "type" : "value", "len" : 4, "data0" : "0x00000000"}}}]}}