| 400 | DomainNotExist | domain not exist. | 诊断 |
| 400 | DomainExist | domain is already exist. | 诊断 |
| 400 | WebRulePortDeny | Web rule port is deny. | 诊断 |
| 400 | InvalidParameter.JSONError | Incorrect JSON format. | 诊断 |
| 400 | ExceedFuncSpec | Exceeds the func spec of the instalice. | 诊断 |
| 400 | ExceedNoStardardPort | func spec no stardard port limit. | 诊断 |
| 400 | InvalidWebRule | invalid Web rule. | 诊断 |
| 400 | ExceedFuncSpec | out of specification. | 诊断 |
| 400 | NetworkRuleExist | network rule port is exist. | 诊断 |
| 400 | NetworkRuleConflict | network rule conflict. | 诊断 |
| 400 | ExceedWebRuleLimit | reach site limit in spec. | 诊断 |
| 400 | ExceedNetworkRuleLimit | reach port limit in spec. | 诊断 |
| 400 | InvalidDomain | invalid domain. | 诊断 |
| 400 | UnBlackholeLimit | blockhole water level limit. | 诊断 |
| 400 | InvalidIp | invalid ip or ipnet, please check | 诊断 |
| 400 | DomainOwnerError | domain belong to other user. | 诊断 |
| 400 | InvalidParams | no authority to do request. | 诊断 |
| 400 | SchedulerNameConflict | Scheduler name Conflict. | 诊断 |
| 400 | InvalidParams | illegal param. | 诊断 |
| 400 | CcRuleExist | cc rule exist. | 诊断 |
| 400 | DomainExist | domain exist in other account. | 诊断 |
| 400 | CDNDomainExist | cdn domain is exist. | 诊断 |
| 400 | IpBlackholing | ip blackhole event not end. | 诊断 |
| 400 | InvalidSwitch | record is the last in default line, invalid to switch to inactive. | 诊断 |
| 400 | ParamsConflict | record type,value_type,line or region_id conflict. | 诊断 |
| 400 | InvalidParams | invalid params in request. | 诊断 |
| 400 | CertNotUpload | Cert not upload,plz upload cert first. | 诊断 |
| 500 | UnkownError | unknown error. | 诊断 |
| 400 | SelbCallFailed | selb central remote call failed. | 诊断 |
| 400 | ddos_layer73417 | domain https extend config without https proxy. | 诊断 |
| 400 | ddos_layer73418 | domain http2https config invalid, https proxy port 443 not exis. | 诊断 |
| 400 | ddos_layer73422 | domain https proxy delete but https_ext config exist. | 诊断 |
| 400 | ddos_layer73423 | domain http2https config without http proxy. | 诊断 |
| 400 | DashboardParamError | Required parameters cannot be empty. | 诊断 |
| 400 | TooManyRs | too many rs in domain. | 诊断 |
| 400 | InvalidJsonParam | decoding json failed. | 诊断 |
| 400 | ddos_layer763101 | No CNAME exists. | 诊断 |
| 400 | ddos_coop3004 | The specified action is invalid | 诊断 |
| 400 | ddos_coop3304 | The specified origin server IP is invalid | 诊断 |
| 400 | ddos_coop3006 | An error occurred while querying the database | 诊断 |
| 400 | ddos_coop3301 | Cannot find the specified instance | 诊断 |
| 400 | ddos_layer763103 | Failed to create the rule | 诊断 |
| 400 | NoDomainExist | domain not exist | 诊断 |
| 400 | ddos_layer73424 | domain http2https config config with websocket proxy | 诊断 |
| 400 | SetL7DefenseError | remote call L7 defense failed | 诊断 |
| 400 | QueryDbFailed | query db failed | 诊断 |
| 400 | CustomHeaderNotValid | custom header format error or length is too long | 诊断 |
| 400 | DomainRemarkValid | remark is empty or length too long | 诊断 |
| 400 | ReservedValueNotEmpty | value of reserved header should be empty | 诊断 |
| 400 | NoReservedValueEmpty | value of no reserved header should not be empty | 诊断 |
| 400 | DomainAbnormalStatus | domain in abnormal status, may be punished | 诊断 |
| 400 | NetworkRuleExist | Network rule port is exist. | 诊断 |
| 400 | InstanceNotExist | Instance not exist. | 诊断 |
| 400 | anycast_controller3302 | reache port limit in spec. | 诊断 |
| 400 | anycast_controller3306 | forwarding rules already exist. | 诊断 |
| 400 | anycast_controller3006 | forwarding rules already exist. | 诊断 |
| 400 | ExceedPortNumber | udp reflect source ports number reached limit. | 诊断 |
| 400 | EngineParamError | The same CC rules exist. | 诊断 |
| 400 | InvalidCacheRuleFormat | The cache rule format error. | 诊断 |
| 400 | InvalidCacheRuleNum | invalid cache rule num. | 诊断 |
| 400 | InvalidCacheRuleMode | invalid cache rule mode. | 诊断 |
| 400 | DuplicateCacheRuleName | duplicate cache rule name. | 诊断 |
| 400 | DuplicateCname | duplicate cname. | 诊断 |
| 400 | ddos_global3440 | Defense instance num is out of limit. | 诊断 |
| 400 | ddos_global3441 | Error when create defense instance. | 诊断 |
| 400 | ddos_global3442 | Defense instance not belong to you. | 诊断 |
| 400 | ddos_global3443 | Error when delete defense instance. | 诊断 |
| 400 | ddos_global3444 | Error when search defense instance. | 诊断 |
| 400 | ddos_global3445 | The defense instance is not exist. | 诊断 |
| 400 | ddos_global3446 | The defense instance global attr error. | 诊断 |
| 400 | ddos_global3447 | Call l7 proxy error. | 诊断 |
| 400 | ddos_global3448 | Query instance lb error. | 诊断 |
| 400 | ddos_coop3320 | Primary rs can is empty. | 诊断 |
| 400 | ddos_coop3321 | Secondary rs is empty. | 诊断 |
| 400 | ddos_coop3322 | The current valid source address is empty. | 诊断 |
| 400 | ddos_coop3323 | The active/standby mode is incorrect. | 诊断 |
| 400 | ddos_coop3324 | The valid source address group can only be active or standby. | 诊断 |
| 400 | ddos_coop3325 | Note Format is incorrect or the limit is exceeded. | 诊断 |
| 400 | InvalidOverseasElasticBandwidth | params out of range. | 诊断 |
| 400 | InvalidInternalElasticBandwidth | params out of range. | 诊断 |
| 400 | QpsReachLimit | ops qps reach the limit, can not enable elastic qps | 诊断 |
| 400 | OverseasQpsReachLimit | ops qps reach the limit, can not enable elastic qps | 诊断 |
| 400 | NoSupportOperation | Ipv6 no support open elastic qps | 诊断 |