ื ืฆืื ืฉื ืืืงืื ืฉืื ื, ืฉืืืกื ืืช ืืืืฉืืืื ืฉืื ื ืืฆืืช ืืขื ื ืืืืช Microsoft (Azure), ืืืคื ืืืขืื: ืืืืจืื ื, ืืื ืืงืฉืืช ืืืืง ืืืืงืืืืช ืืืืจืืคื ืืืื ืืืกืชืืื ืืฉืืืื 400 (
ืืืช ืืืคืืืงืฆืืืช ืืื ื-API, ืฉืืจืื ืืืืขื ืืกืืคื ืฉื ืืืจ ืื ืืชืขืืืจื. ืืชืขืืืจื ืื ืืืืื ืฉืจืช ื-HTTP
ืืฉืืืื ื-Ingress ื ืจืืชื ืื:
{
"number_fields":{
"status":400,
"request_time":0.001,
"bytes_sent":465,
"upstream_response_time":0,
"upstream_retries":0,
"bytes_received":2328
},
"stream":"stdout",
"string_fields":{
"ingress":"app",
"protocol":"HTTP/1.1",
"request_id":"f9ab8540407208a119463975afda90bc",
"path":"/api/sign-in",
"nginx_upstream_status":"400",
"service":"app",
"namespace":"production",
"location":"/front",
"scheme":"https",
"method":"POST",
"nginx_upstream_response_time":"0.000",
"nginx_upstream_bytes_received":"120",
"vhost":"api.app.example.com",
"host":"api.app.example.com",
"user":"",
"address":"83.41.81.250",
"nginx_upstream_addr":"10.240.0.110:80",
"referrer":"https://api.app.example.com/auth/login?long_encrypted_header",
"service_port":"http",
"user_agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36",
"time":"2019-03-06T18:29:16+00:00",
"content_kind":"cache-headers-not-present",
"request_query":""
},
"timestamp":"2019-03-06 18:29:16",
"labels":{
"app":"nginx",
"pod-template-generation":"6",
"controller-revision-hash":"1682636041"
},
"namespace":"kube-nginx-ingress",
"nsec":6726612,
"source":"kubernetes",
"host":"k8s-node-55555-0",
"pod_name":"nginx-v2hcb",
"container_name":"nginx",
"boolean_fields":{}
}
ืืืงืืื, ืงืกืืจื ื ืชื:
HTTP/1.1 400 Bad Request
Connection: close
Date: Wed, 06 Mar 2019 12:34:20 GMT
Server: Kestrel
Content-Length: 0
ืืคืืื ืขื ืืืืืืืช ืืจืืืช, ืฉืืืืช ืืงืกืืจื ืืืืื ืืฆืืจื ืงืืฆืื ืืช ืืขื ืืืืข ืฉืืืืฉื:
{
"number_fields":{"ThreadId":76},
"stream":"stdout",
"string_fields":{
"EventId":"{"Id"=>17, "Name"=>"ConnectionBadRequest"}",
"SourceContext":"Microsoft.AspNetCore.Server.Kestrel",
"ConnectionId":"0HLL2VJSST5KV",
"@mt":"Connection id "{ConnectionId}" bad request data: "{message}"",
"@t":"2019-03-07T13:06:48.1449083Z",
"@x":"Microsoft.AspNetCore.Server.Kestrel.Core.BadHttpRequestException: Malformed request: invalid headers.n at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.Http1Connection.TryParseRequest(ReadResult result, Boolean& endConnection)n at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.<ProcessRequestsAsync>d__185`1.MoveNext()",
"message":"Malformed request: invalid headers."
},
"timestamp":"2019-03-07 13:06:48",
"labels":{
"pod-template-hash":"2368795483",
"service":"app"
},
"namespace":"production",
"nsec":145341848,
"source":"kubernetes",
"host":"k8s-node-55555-1",
"pod_name":"app-67bdcf98d7-mhktx",
"container_name":"app",
"boolean_fields":{}
}
ื ืจืื ืฉืจืง tcpdump ืืขืืืจ ืืคืชืืจ ืืช ืืืขืื ืืื... ืืื ืื ื ืืืืืจ ืขื ืฉืจืฉืจืช ืืชืขืืืจื:
ืืงืืจื
ืืจืืจ ืฉืขืืืฃ ืืืงืฉืื ืืชื ืืขื ืขื ืืฆืืืช ืืกืคืฆืืคื ืืื, ืฉืื Kubernetes ืคืจืกื ืคืื: ื ืคื ื-dump ืืืื ืืื ืฉื ืืชื ืืืื ืืืฆืื ืืคืืืช ืืฉืื ืื ืืืจ. ืืืื, ืืฉืืืงื ื ืืืชื, ืืืืื ื ืืคืจืืื ืืื:
GET /back/user HTTP/1.1
Host: api.app.example.com
X-Request-ID: 27ceb14972da8c21a8f92904b3eff1e5
X-Real-IP: 83.41.81.250
X-Forwarded-For: 83.41.81.250
X-Forwarded-Host: api.app.example.com
X-Forwarded-Port: 443
X-Forwarded-Proto: https
X-Original-URI: /front/back/user
X-Scheme: https
X-Original-Forwarded-For: 83.41.81.250
X-Nginx-Geo-Client-Country: Spain
X-Nginx-Geo-Client-City: M.laga
Accept-Encoding: gzip
CF-IPCountry: ES
CF-RAY: 4b345cfd1c4ac691-MAD
CF-Visitor: {"scheme":"https"}
pragma: no-cache
cache-control: no-cache
accept: application/json, text/plain, */*
origin: https://app.example.com
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36
referer: https://app.example.com/auth/login
accept-language: en-US,en;q=0.9,en-GB;q=0.8,pl;q=0.7
cookie: many_encrypted_cookies; .AspNetCore.Identity.Application=something_encrypted;
CF-Connecting-IP: 83.41.81.250
True-Client-IP: 83.41.81.250
CDN-Loop: cloudflare
HTTP/1.1 400 Bad Request
Connection: close
Date: Wed, 06 Mar 2019 12:34:20 GMT
Server: Kestrel
Content-Length: 0
ืืืืืงื ืืขืืืงื ืืืชืจ ืฉื ืืืืืื, ืืืืื ื ืืืืื M.laga
. ืงื ืื ืืฉ ืฉืืื ืขืืจ ืืืื ืืกืคืจื (ืืื ืืฉ
ingress.kubernetes.io/configuration-snippet: |
proxy_set_header X-Nginx-Geo-Client-Country $geoip_country_name;
proxy_set_header X-Nginx-Geo-Client-City $geoip_city;
ืืืืจ ืืฉืืชืช ืืขืืจืช ืืืืชืจืืช ืืืื, ืืื ืืคื ืืืืืช ืืกืืจ! (ืืืจ ืืชืืจืจ ืฉืืืคืืืงืฆืื ืขืฆืื ืืืจ ืื ืืงืืงื ืืืืชืจืืช ืืื.)
ืขืืฉืื ืืืื ื ืกืชืื ืขื ืืืขืื ืืืชืจ ืืืื. ื ืืชื ืืฉืืืจ ืืืชื ืืงืืืช ืืชืื ืืืคืืืงืฆืื ืขื ืืื ืืงืฉืช Telnet localhost:80
:
GET /back/user HTTP/1.1
Host: api.app.example.com
cache-control: no-cache
accept: application/json, text/plain, */*
origin: https://app.example.com
Cookie: test=Desiree
... ืืืืจืืช 401 Unauthorized
, ืืฆืคืื. ืื ืืงืจื ืื ื ืขืฉื:
GET /back/user HTTP/1.1
Host: api.app.example.com
cache-control: no-cache
accept: application/json, text/plain, */*
origin: https://app.example.com
Cookie: test=Dรฉsirรฉe
?
ืืืืืจ 400 Bad request
โ ืืืืื ืืืคืืืงืฆืื ื ืงืื ืฉืืืื ืฉืืืจ ืืืืจืช ืื ื:
{
"@t":"2019-03-31T12:59:54.3746446Z",
"@mt":"Connection id "{ConnectionId}" bad request data: "{message}"",
"@x":"Microsoft.AspNetCore.Server.Kestrel.Core.BadHttpRequestException: Malformed request: invalid headers.n at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.Http1Connection.TryParseRequest(ReadResult result, Boolean& endConnection)n at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.<ProcessRequestsAsync>d__185`1.MoveNext()",
"ConnectionId":"0HLLLR1J974L9",
"message":"Malformed request: invalid headers.",
"EventId":{
"Id":17,
"Name":"ConnectionBadRequest"
},
"SourceContext":"Microsoft.AspNetCore.Server.Kestrel",
"ThreadId":71
}
ืชืืฆืืืช ืฉื
ืืืืืื ืงืกืืจื
ืืืจื ื ืืกืฃ ืืขื ืืื ื ื ืืื ืฉืืืงืื ืืื ื ืืชืื ื ืืืื ืืฉื ืืช ืืช ืืืฉืื ืงืกืืจื ืืืคืืืงืฆืื. ืขื ืืืช, ืืขืืืช ื- AspNetCore ืขืฆืื (
ืืกืืืื: ืืืขืจื ืืืจ ืื ืขืืกืงืช ืืืขืืืช ืืกืคืฆืืคืืืช ืฉื ืงืกืืจื ืื UTF-8 (ื-2019?!), ืืื ืขื ืืขืืืื ืฉ ืืืื ืืคืืื ืก ืืืืืื ืขืงืื ืื ืฆืขื ืฉืชื ืงืื ืืืื ืืืคืืฉ ืืขืืืช ืืืื ืืืืงืื ืื ืืืืืืจ ืคืจื. ืืืฆืืื!
ื .ื.
ืงืจื ืื ืืืืื ืฉืื ื:
- ยซ
6 ืืืื ืืขืจืืช ืืฉืขืฉืขืื ืืชืคืขืื ืฉื Kubernetes [ืืืคืชืจืื ืฉืืื] "; - ยซ
ืขืฆืืช ืืืจืืงืื ืฉื Kubernetes: ืืคื ืฉืืืื ืืืชืืืื ืืืฉืืช ื-NGINX Ingress "; - ยซ
ืกืงืืจื ืืืฉืืืื ืฉื ืืงืจื Ingress ืขืืืจ Kubernetes "; - ยซ
ื ืืืืจ ืคืื ืืื ืืื ืฆืืชื Kubernetes - ืืืชืืื ืฉืื ื "; - ยซ
3 ืืงืจืื ืืจืืืื ืขื ืชืช-ืืขืจืืช ืจืฉืช ืืื ืืงืก ".
ืืงืืจ: www.habr.com