Hmmmmm. See no issue from my side: root @ khorne /patch # wget -S http://www.msftconnecttest.com/ncsi.txt --2017-05-02 19:16:11-- http://www.msftconnecttest.com/ncsi.txt Connecting to 127.0.0.1:3128... connected. Proxy request sent, awaiting response... HTTP/1.1 200 OK Cache-Control: max-age=30,must-revalidate Content-Length: 14 Content-Type: text/plain Last-Modified: Fri, 04 Mar 2016 06:55:23 GMT ETag: "0x8D343F9F578A7F9" Server: Microsoft-IIS/7.5 x-ms-request-id: 45e06e80-0001-000b-6f15-be91d0000000 x-ms-version: 2009-09-19 x-ms-meta-CbModifiedTime: Tue, 01 Mar 2016 21:41:22 GMT x-ms-lease-status: unlocked x-ms-blob-type: BlockBlob X-ECN-P: RD0003FF838204 Access-Control-Expose-Headers: X-MSEdge-Ref Access-Control-Allow-Origin: * Timing-Allow-Origin: * X-CID: 7 X-CCC: SE X-MSEdge-Ref: Ref A: FFF0B969CF5F48DA856B48165D32542E Ref B: STOEDGE0510 Ref C: Tue May 2 06:16:14 2017 PST X-MSEdge-Ref-OriginShield: Ref A: 9D033F6C12734D3A839C09F1BAFF798E Ref B: AMS04EDGE0220 Ref C: Thu Apr 27 07:42:11 2017 PST Date: Tue, 02 May 2017 13:16:13 GMT X-Cache: MISS from khorne X-Cache-Lookup: MISS from khorne:3128 Connection: keep-alive Length: 14 [text/plain] Saving to: 'ncsi.txt' ncsi.txt 100%[===================>] 14 --.-KB/s in 0s 2017-05-02 19:16:14 (2.07 MB/s) - 'ncsi.txt' saved [14/14] root @ khorne /patch # wget -S http://www.msftconnecttest.com/ncsi.txt --2017-05-02 19:16:32-- http://www.msftconnecttest.com/ncsi.txt Connecting to 127.0.0.1:3128... connected. Proxy request sent, awaiting response... HTTP/1.1 200 OK Cache-Control: max-age=30,must-revalidate Content-Length: 14 Content-Type: text/plain Last-Modified: Fri, 04 Mar 2016 06:55:23 GMT ETag: "0x8D343F9F578A7F9" Server: Microsoft-IIS/7.5 x-ms-request-id: 45e06e80-0001-000b-6f15-be91d0000000 x-ms-version: 2009-09-19 x-ms-meta-CbModifiedTime: Tue, 01 Mar 2016 21:41:22 GMT x-ms-lease-status: unlocked x-ms-blob-type: BlockBlob X-ECN-P: RD0003FF838204 Access-Control-Expose-Headers: X-MSEdge-Ref Access-Control-Allow-Origin: * Timing-Allow-Origin: * X-CID: 7 X-CCC: SE X-MSEdge-Ref: Ref A: FFF0B969CF5F48DA856B48165D32542E Ref B: STOEDGE0510 Ref C: Tue May 2 06:16:14 2017 PST X-MSEdge-Ref-OriginShield: Ref A: 9D033F6C12734D3A839C09F1BAFF798E Ref B: AMS04EDGE0220 Ref C: Thu Apr 27 07:42:11 2017 PST X-Origin-Date: Tue, 02 May 2017 13:16:13 GMT Date: Tue, 02 May 2017 13:16:32 GMT X-Cache-Age: 19 X-Cache: HIT from khorne X-Cache-Lookup: HIT from khorne:3128 Connection: keep-alive Length: 14 [text/plain] Saving to: 'ncsi.txt.1' ncsi.txt.1 100%[===================>] 14 --.-KB/s in 0s 2017-05-02 19:16:32 (1.90 MB/s) - 'ncsi.txt.1' saved [14/14] root @ khorne /patch # wget -S http://www.msftconnecttest.com/ncsi.txt --2017-05-02 19:18:06-- http://www.msftconnecttest.com/ncsi.txt Connecting to 127.0.0.1:3128... connected. Proxy request sent, awaiting response... HTTP/1.1 200 OK Content-Length: 14 ETag: "0x8D343F9F578A7F9" Cache-Control: max-age=30,must-revalidate Content-Type: text/plain Last-Modified: Fri, 04 Mar 2016 06:55:23 GMT Server: Microsoft-IIS/7.5 x-ms-request-id: 45e06e80-0001-000b-6f15-be91d0000000 x-ms-version: 2009-09-19 x-ms-meta-CbModifiedTime: Tue, 01 Mar 2016 21:41:22 GMT x-ms-lease-status: unlocked x-ms-blob-type: BlockBlob X-ECN-P: RD0003FF838204 Access-Control-Expose-Headers: X-MSEdge-Ref Access-Control-Allow-Origin: * Timing-Allow-Origin: * X-CID: 7 X-CCC: SE X-MSEdge-Ref: Ref A: 1F682D6F87124BF28456EB937B49B208 Ref B: STOSCHEDGE0116 Ref C: Tue May 2 06:18:06 2017 PST X-MSEdge-Ref-OriginShield: Ref A: 9D033F6C12734D3A839C09F1BAFF798E Ref B: AMS04EDGE0220 Ref C: Thu Apr 27 07:42:11 2017 PST Vary: Accept-Encoding X-Origin-Date: Tue, 02 May 2017 13:18:05 GMT Date: Tue, 02 May 2017 13:18:06 GMT X-Cache-Age: 1 X-Cache: HIT from khorne X-Cache-Lookup: HIT from khorne:3128 Connection: keep-alive Length: 14 [text/plain] Saving to: 'ncsi.txt.2' ncsi.txt.2 100%[===================>] 14 --.-KB/s in 0s 2017-05-02 19:18:06 (2.03 MB/s) - 'ncsi.txt.2' saved [14/14] Seems correct. Will dig more. 02.05.2017 19:15, Ralf Hildebrandt пишет: > * Ralf Hildebrandt <Ralf.Hildebrandt@xxxxxxxxxx>: > >> It seems that squid is returning an incorrect Content-Lenght: header >> while the revalidation is still fresh/ongoing. >> >> I haven't yet tried tcpdumping the response to check if the 14 bytes >> do indeed contain the correct string. > And voila - here we go (Content-Length: 0 but squid sends 14 bytes of excess data: "Microsoft NCSI") > > 15:10:31.741436 IP proxy-cvk-1.charite.de.http-alt > vsw-it-nw-10.54228: Flags [P.], seq 1:952, ack 156, win 235, options [nop,nop,TS val 126939588 ecr 1696144349], length 951: HTTP: HTTP/1.1 200 OK > E...cR@.?....*...*......V?.....5....U...... > ....e...HTTP/1.1 200 OK > Cache-Control: max-age=30,must-revalidate > Content-Length: 0 > Content-Type: text/plain > Last-Modified: Fri, 04 Mar 2016 06:55:23 GMT > ETag: "0x8D343F9F578A7F9" > Server: Microsoft-IIS/7.5 > x-ms-request-id: 6508a999-0001-0016-4fbc-c0483a000000 > x-ms-version: 2009-09-19 > x-ms-meta-CbModifiedTime: Tue, 01 Mar 2016 21:41:22 GMT > x-ms-lease-status: unlocked > x-ms-blob-type: BlockBlob > X-ECN-P: RD0003FF838204 > Access-Control-Expose-Headers: X-MSEdge-Ref > Access-Control-Allow-Origin: * > Timing-Allow-Origin: * > X-CID: 7 > X-CCC: US > X-MSEdge-Ref: Ref A: 2C6BD6F103A24795AE6784C3DC22E5F5 Ref B: BER30EDGE0115 Ref C: Tue May 2 06:10:31 2017 PST > X-MSEdge-Ref-OriginShield: Ref A: 5A9FC4FE82DC4E2DB26E51E59C50B50A Ref B: AMS04EDGE0506 Ref C: Sat Apr 29 05:30:12 2017 PST > Date: Tue, 02 May 2017 13:10:31 GMT > Age: 0 > X-Cache: HIT from proxy-cvk-1 > Via: 1.1 proxy-cvk-1 (squid/5.0.0-20170429-r15127) > Connection: keep-alive > > Microsoft NCSI > 15:10:31.741454 IP vsw-it-nw-10.54228 > proxy-cvk-1.charite.de.http-alt: Flags [.], ack 952, win 243, options [nop,nop,TS val 1696144352 ecr 126939588], length 0 > E..4._@.@..=.*...*.........5V?.G.....O..... > e....... > -- Bugs to the Future
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