Windows Live Mail rejecting GROUP response

Matt Seitz (matseitz) matseitz at cisco.com
Tue Jun 5 00:16:30 UTC 2012


> From: Julien ÉLIE [mailto:julien at trigofacile.com] 
>
>
> Incidentally, do you see the same behaviour on more recent versions of INN?

Yes, I was able to reproduce the problem on INN 2.5.1 at news.gmane.org.  In this case, I again see that count < high - low + 1, but I don't see the extra response code 205:

No.     Time               Source                Destination           Protocol Length Info
      1 16:59:25.869358000 dhcp-171-71-137-42.cisco.com dough.gmane.org       TCP      66     15579 > nntp [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=4 SACK_PERM=1
      2 16:59:26.036630000 dough.gmane.org       dhcp-171-71-137-42.cisco.com TCP      62     nntp > 15579 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1380 SACK_PERM=1
      3 16:59:26.036838000 dhcp-171-71-137-42.cisco.com dough.gmane.org       TCP      54     15579 > nntp [ACK] Seq=1 Ack=1 Win=64860 Len=0
      4 16:59:26.245708000 dough.gmane.org       dhcp-171-71-137-42.cisco.com NNTP     128    Response: 200 news.gmane.org InterNetNews NNRP server INN 2.5.1 ready (posting ok)
      5 16:59:26.245972000 dhcp-171-71-137-42.cisco.com dough.gmane.org       NNTP     67     Request: MODE READER
      6 16:59:26.411567000 dough.gmane.org       dhcp-171-71-137-42.cisco.com TCP      60     nntp > 15579 [ACK] Seq=75 Ack=14 Win=5840 Len=0
      7 16:59:26.411650000 dough.gmane.org       dhcp-171-71-137-42.cisco.com NNTP     128    Response: 200 news.gmane.org InterNetNews NNRP server INN 2.5.1 ready (posting ok)
      8 16:59:26.412126000 dhcp-171-71-137-42.cisco.com dough.gmane.org       NNTP     75     Request: GROUP gmane.discuss
      9 16:59:26.577709000 dough.gmane.org       dhcp-171-71-137-42.cisco.com NNTP     88     Response: 211 14639 10 14884 gmane.discuss
     10 16:59:26.579107000 dhcp-171-71-137-42.cisco.com dough.gmane.org       TCP      54     15579 > nntp [FIN, ACK] Seq=35 Ack=183 Win=64678 Len=0
     14 16:59:26.748599000 dough.gmane.org       dhcp-171-71-137-42.cisco.com TCP      60     nntp > 15579 [FIN, ACK] Seq=183 Ack=36 Win=5840 Len=0
     15 16:59:26.748752000 dhcp-171-71-137-42.cisco.com dough.gmane.org       TCP      54     15579 > nntp [ACK] Seq=36 Ack=184 Win=64678 Len=0


> You can try to point Windows Live Mail to news.trigofacile.com if you wish.

I did not see the problem with news.trigofacile.com, even though some groups had count < high - low + 1:

No.     Time               Source                Destination           Protocol Length Info
     11 16:59:26.600760000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  TCP      66     15580 > nntp [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=4 SACK_PERM=1
     12 16:59:26.743275000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com TCP      66     nntp > 15580 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1380 SACK_PERM=1 WS=16
     13 16:59:26.743452000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  TCP      54     15580 > nntp [ACK] Seq=1 Ack=1 Win=66240 Len=0
     16 16:59:27.086478000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     156    Response: 200 news.trigofacile.com InterNetNews NNRP server INN 2.6.0 (20120528 prerelease) ready (no posting)
     17 16:59:27.086957000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     67     Request: MODE READER
     18 16:59:27.229491000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com TCP      60     nntp > 15580 [ACK] Seq=103 Ack=14 Win=5840 Len=0
     19 16:59:27.230373000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     156    Response: 200 news.trigofacile.com InterNetNews NNRP server INN 2.6.0 (20120528 prerelease) ready (no posting)
     20 16:59:27.231088000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     90     Request: GROUP microsoft.public.news.server
     21 16:59:27.374239000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     98     Response: 211 0 457 456 microsoft.public.news.server
     22 16:59:27.380069000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     90     Request: GROUP microsoft.public.news.server
     23 16:59:27.523911000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     98     Response: 211 0 457 456 microsoft.public.news.server
     24 16:59:27.529110000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     91     Request: GROUP microsoft.public.msnewservers
     25 16:59:27.672765000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     99     Response: 211 0 272 271 microsoft.public.msnewservers
     26 16:59:27.678598000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     91     Request: GROUP microsoft.public.msnewservers
     27 16:59:27.822491000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     99     Response: 211 0 272 271 microsoft.public.msnewservers
     28 16:59:27.828889000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     78     Request: GROUP fr.comp.lang.c++
     29 16:59:27.972744000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     91     Response: 211 2383 4618 7281 fr.comp.lang.c++
     30 16:59:27.975622000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     78     Request: GROUP fr.comp.lang.c++
     31 16:59:28.119412000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     91     Response: 211 2383 4618 7281 fr.comp.lang.c++
     32 16:59:28.148387000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     69     Request: GROUP fr.test
     33 16:59:28.292114000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     83     Response: 211 7278 8228 18399 fr.test
     34 16:59:28.299511000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  NNTP     69     Request: GROUP fr.test
     35 16:59:28.443232000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com NNTP     83     Response: 211 7278 8228 18399 fr.test
     36 16:59:28.468669000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  TCP      54     15580 > nntp [FIN, ACK] Seq=238 Ack=515 Win=65724 Len=0
     37 16:59:28.616321000 news.trigofacile.com  dhcp-171-71-137-42.cisco.com TCP      60     nntp > 15580 [FIN, ACK] Seq=515 Ack=239 Win=5840 Len=0
     38 16:59:28.616483000 dhcp-171-71-137-42.cisco.com news.trigofacile.com  TCP      54     15580 > nntp [ACK] Seq=239 Ack=516 Win=65724 Len=0




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